How to compare two tables in different servers in sql server Another, named Test2 has a table named Clients. TABLE_NAME = db2. select b. COLUMNS prod WHERE TABLE_NAME = 'YourTableName' AND NOT Apr 7, 2017 · I am currently migrating data from an SQL 2008 R2 to SQL 2014 server and want to check that all data values in the destination server is identical to what is in the source server post migration. Generally, I'd fire up a local DB, load up some data and using timing to compare one variant to other variants. tblOutput tblOutput_210314 But this picking of two tables to compare against each other in a single database I can't see how to achieve. There are many rows in TableX, and I want, the TableX on ServerA should be… Nov 12, 2009 · Try dbForge Scheme Compare for SQL server and dbForge Data Compare for SQL Server. Had compare 2 database using some external freeware and shareware, can't find any difference especially on "Users and Roles" or "DB Properties". Linked server queries can be quite costly although SQL Server still attempts to optimize as best as possible but it inevitably requires sending potentially large amounts of data across the It's another great tool to compare data and schema. Feb 28, 2018 · STEP 1: Generate full database script for both the Dev and Prod databases using SQL Server Management Studio's inbuilt Generate a Script option. columns col ON ic. columns where table_name = @table2 and table_schema = @schema2 ) c2 on c1. Then add the two data sources of your desired type(OLE DB, ODBC. Feb 25, 2013 · My Source and Destination tables exist on different servers. In data migration, it is common to compare two tables to identify a record in one table that has no corresponding entries in another table. Started KDiff3 which is free I Dec 16, 2019 · To verify the data of different data types the dynamic T-SQL scripts should be applied consistently to each of these types. CAST appears to be what you're looking for. Let me know the possible ways. COLUMNS two times, keep the result of each query in a temp table and finally compare the result of these two queries In this video, we are going to learn how to compare two databases using the SQL Server Database Project template available in Visual Studio 2019. Alternatively, press Ctrl+D. Mar 5, 2010 · To answer this kind of question currently, I've made a script that uses information_schema content to compare column, datatype, and table. Jan 29, 2021 · The Community (free) version of Visual Studio has 'Data Comparison' for SQL projects. CompareTables 'DB1', 'dbo', 'table1', 'DB2', 'dbo', 'table2' If you want to compare two databases, use the procedure 'CompareDatabases'. Oct 29, 2013 · If you cannot use a Linked Server or Open Query, then you will have to migrate the data between environments. Jan 9, 2016 · Hi, great work :) found an Issue: This INNER JOIN sys. The SQL you provided works just fine for returning data from multiple tables from different databases: Nov 9, 2018 · Will be able to take account that the tables have 100K rows each and give a different plan. the answer would be yes - the tables contain the same data or no - there is a difference, there is an other approach, not too common in the relational databases, but state of the art for files. Oct 11, 2008 · It is part of Visual Studio 2010 and is part of the Database Professionals GDR update to Visual Studio 2008. The databases themselves will be transferred using a database backup and restore script. system_type_id will create duplicate columns in your output when used with SQLServer user defined types of the same base type. ) to your data flow(you can add the connection manager directly in the source editor if you like). Use -df to specify the number of Transact-SQL statements in each Feb 11, 2014 · I have 2 tables A and B with the same structure. But the data is around 6 GB which takes much time for loading table into the data frame and also hosted on a server which is not local to where I'm running the Python script. Oct 9, 2015 · I have two instances of the same database. It will open a new wizard screen for Data Comparison. Using SQL Server you are better off using the sys schema, which (if performance matters) is better than using the information_schema schema. One, named Test, has a table named Vehicles. id = sc. I write my tweaked solution here as I think it may be useful for someone else. The SQL that i have is very basic as shown below and i can run the query easily in SQL management studio. Oracle supports DBMS_SQLHASH. Table1. To simplify things, let's say I have two SQL SELECT Queries. Mar 21, 2021 · add count from 2 different tables - SQL Server. I have access to both of them through pgAdmin4 version 2. The New Data Comparison wizard appears. Connect to the 2 instances In your case if both the tables are Sql tables then follow the steps below. STEP 2: Compare both the scripts using any basic text comparison utility (like Beyond compare, meld, WinMerge etc). May 2, 2017 · Script to facilitate the comparison of data between two SQL Server tables. schema. I am using Execute SQL Task to write Merge Statements to synchronize them. How can I do this so that while I am updating the data on the table on server A it is still available for reading with the previous info. Right click (in VS (Dark Mode) SQL Server project) in the SQL Server Object Explorer on the Table to compare. *) to unpivot out both sides of the JOINed rows into individual rows. Age FROM A a LEFT OUTER JOIN B b ON a. Name, b. CHARACTER_MAXIMUM_LENGTH, b. TABLE_NAME) You can also add WHERE db1. To compare the data you can write scripts that read row by row and do a comparison of the data. id,b. CAST(@YourStringValue AS INTEGER) = @YourOtherIntegerValue Aug 13, 2019 · I want to compare 2 tables from 2 databases (and servers) different One is Oracle, the other is Mysql. I am trying to sync two tables on two different servers. TABLE_NAME IS NULL to see only the differences between the databases. Dec 2, 2013 · This article includes a number of examples that demonstrate how to compare tables that contain both matching and non-matching data. There is no need to compare and synchronize data manually. The only way I could find was to run the following query on both servers and seeing if the result matched which "might" mean that to 2 tables contain the same information. Count and group by operation with two different tables. WITH A AS( SELECT a. Sep 4, 2015 · Create two databases on two different instances (DEMOSRV3 and DEMOSRV4 SQL Server instances in our examples) using the following script: USE master GO CREATE DATABASE [_DemoDB] GO USE [_DemoDB] GO CREATE PROCEDURE dbo. SELECT * INTO NewTable FROM existingdb. Update records where Table A and B both have and update them. It places the object DDL side by side in the Compare Editor and highlights the differences. So the checksum statement writes a checksum on the primary server, then the checksum statement replicates to the replicate MySQL servers where it runs again, writing a checksum for the replicate to a replicate table Oct 6, 2014 · According to your clarification in the comment, you could use following query to find all name-age combinations in PersonA which are different in PersonB:. create indexes, create table, create relationship, etc Nov 18, 2015 · If the question is to check identity of the two tables, i. Also, the Data Compare window opens, and Visual Studio automatically assigns it a name such as DataCompare1. Age ) SELECT a. name tableName, ind. Creating Database:. First add a linked server (all queries will be run from [MyServer\MyInstance1]) exec sp_addlinkedserver @server = 'MyServer Sep 27, 2024 · (Optional) Specify a table in the subscription database into which to insert results for -et. The script which show you indexes in your Microsoft SQL server database is: USE [database name]; SELECT t. Dec 29, 2013 · I am trying to find a way of linking data from two servers in SSRS report builder 2. An extended answer for remote IP db connections: Step 1: link servers Mar 7, 2018 · SQL Server Data Tool in Visual Studio is best to compare 2 sql server database. I would like to run query between those two databases to compare data. Id Name 1 Prashant 2 Ravi 3 Gaurav 5 Naween 7 Sachin Table2. dbForge Schema Compare for SQL Server is an advanced tool that helps compare two SQL Server databases in the most efficient way. Selecting data from two different servers in SQL Server. index_id INNER JOIN sys. Sep 6, 2019 · You could cursor through all of the tables read the T-SQL from one server, get the T-SQL for the same object from the other server and do a comparison. Jul 30, 2015 · To compare two SPs in the same DB, same or different SPs between different DBs, located on the same or different servers (even across different networks - you can connect to vpn #1 and read db #1 and then disconnect vpn #1 and connect vpn #2 and read db #2 to compare with db #1). For simplicity I am creating these in the same database, but this could be done among different databases and even different instances of SQL Server and we could use Linked Servers and four part naming to address the objects if we want to compare against different servers. column_name from (select c. I. Jan 31, 2022 · This time we will show how to use the SQL Server Schema Compare extension to compare different database objects like tables, view, functions, or stored procedures. Sep 11, 2007 · These are very helpful commands when you need to pull data from different tables and show the results as one unified distinct result set. GETHASH: SELECT DBMS_SQLHASH. Identify the source and target databases. Connect to the Secondary server like so exec sp_addlinkedsrvlogin @rmtsrvname='ServerName' , @useself=false , @rmtuser='user' , @rmtpassword='Password'; 4. Customers all the rows that are not in this table but Apr 23, 2014 · I restored a backup of a database on a different SQL Server instance running on the same server and I wanted to compare data in a table found on SQL Server Instance 1 with the same table on SQL Server Instance 2. Oct 6, 2014 · Teradata's eventual replacement for the incumbent SQL Assistant now offers a Compare Object Wizard to compare objects between the same or different Teradata databases. sp_helpuser; --database-level principals in the current database Jul 4, 2011 · SELECT * FROM database1. systables, to query data from another server you would need to use linked Suppose you have two tables in a SQL Server database with the same schema for both tables. For example, consider a scenario where a new database has a schema that is different from the legacy database. As to the SSIS based approach, the packages for all groups of data types can be executed in parallel. CSV compare will not help me in this aspect. Sep 11, 2009 · I would like to know how to compare two different database table records. This article provides troubleshooting steps for a performance issue where a query runs slower on one server than on another server. Select Data Compare Options (Note- With Data Compare for SQL Server tool, you can compare and synchronize data in SQL Server I have two tables in different databases with different schema, how can I compare them both? Let's say I have the DB1 with the table history. Example: I have 2 databases called DBLive and DBLiveBackup, both with the same tables. 0] and [dataedo_7. Articles; need to compare data from 2 tables in SQL Server and see if there is any mismatching data in tables Mar 5, 2012 · Hello Experts, I need to compare a schema in two different databases, please suggest me possible ways. Did the same from the other database that I am compare against. It means that the verification of two tables can be performed in one run. name indexName, col. Nov 1, 2021 · You can access any database object from any database context by fully qualifying the object name in the form of database. select c1. There are similar questions asked previously too. I need to get each row from table A that are not present in table B, then insert them into a 3rd #temp table C. Apr 8, 2014 · Let's say we have a table on two different database server ( for eg. Both are SQL Server databases. One of the SQL Server instances contains a copy of a database in the other SQL Server instance. If the table already exists, specify -dt to first drop the table. On the opposite side of this it would be helpful to only show a result set where both sets of data match or only where data exists in one of the tables and not the other. columns WHERE object_id = OBJECT_ID('table1') Apr 25, 2017 · In order to compare two databases, I've written the procedures bellow. Is it possible to query both databases in the same T-SQL command or function? Perhaps by connecting to one, then getting a result set, then connecting to the other, and getting that result set. Sep 26, 2017 · In this article, I will talk about how we can compare tables in SQL Server in efficient way to identify differences and produce helpful statistics. demo_v_1 AS SELECT 1 as Col GO Mar 27, 2009 · If you only want to see the differences in the data between the two tables, then as mentioned by several others, using the SQL Minus operator should do the job. Hot Network Questions So I've had a problem where I need to compare data in 2 different tables on two different servers. DATABASENAME. Customers as the **right table** After you compare the tables, in the comparision result, you can specify that you want to sync only the differences from the left table which would produce a SQL script to insert into TARGET01. type='u' order by so. servers --query to find column name that exists in one environment and not in other --replace SERVERNAME AND DATABASENAME as needed SELECT COLUMN_NAME FROM SERVERNAME. column_id Nov 22, 2012 · In your case, since you want to select from two different databases, you have to use a fully qualified table names. By setting up linked servers, you can execute queries that reference tables and data residing on remote servers as if they were local objects. id where a. e 5 tables from 3 databases). From the main menu, go to Tools-> SQL Server-> New Data Comparison. If you need to compare 2 tables with the same schema that are in the same database or with different names TableDiff (mentioned earlier) is a great option. Here is one method with a full outer join:. ) So the first Jun 20, 2023 · Applies to: SQL Server. . dev and test). ID: SELECT * FROM T1 WHERE ID NOT IN (SELECT ID FROM T2) UNION SELECT * FROM T2 WHERE ID NOT IN (SELECT ID FROM T1) Nov 15, 2016 · 45 Problem. field where whatever Nov 15, 2016 · If you have two tables Table1 and Table2 and they have the same structure and primary key named ID you can use this SQL:--Find rows that exist in both Table1 and Table2 SELECT * FROM Table1 WHERE EXISTS (SELECT 0 FROM Table2 WHERE Table1. Jan 4, 2013 · It sounds like you might need to create and query linked database servers in SQL Server. You can just Full Outer Join on the PK, preserve rows with at least one difference with WHERE EXISTS (SELECT A. Jun 3, 2011 · Sql Server? CAST / CONVERT. column_name, c2. Once the server link is established, you'll construct the query as normal, just prefixing the database name with the other server. If you have the correct OLE DB drivers, this method can also work between different types of RDBMS (ie. Is there any other/better way to export and compare settings of two SQL Server instances? Feb 13, 2014 · It's also useful for temp table and table variables, and where you may not know the server collation (eg you are a vendor placing your system on the customer's server) select sone_field collate DATABASE_DEFAULT from table_1 inner join table_2 on table_1. Ask Question Asked 8 years, 11 months ago. You'll find it in the SQL Server program path. e. name as [table], sc. See the reference documentation for usage. The article contains the Jul 28, 2020 · 59 Problem. Table EXCEPT SELECT * FROM Database2. SELECT * FROM sys. nightly instead of real-time)? If the answers are both yes, then you can use sql server's tablediff. Both databases are set in stone so I cannot change their collations, unfortunately. Is there anyway you guys know how to get this to work? Update: I found an alternative solution. COLUMNS system view can be also used to compare the schema of different tables, by providing the table name. Jan 15, 2022 · It requires statement based replication because it actually replicates the checksum generating statements to the replicate server. index_columns tables on both databases. Sep 26, 2016 · I am trying to compare two tables, one on UAT server and and one on live. Or. column Getting data differences between two SQL Server databases. Nov 8, 2011 · Both servers are SQL 2000 servers. like X regdate in table A is 01/04/2016 and X regdate in table B is 01/08/2016, when i query i should get the result of X from B because that has the most recent regdate Jan 21, 2014 · I have 2 databases. Feb 10, 2012 · You don't need 30 join conditions for a FULL OUTER JOIN here. A standard method for identifying two tables’ row differences is a LEFT JOIN. Third - If you are using Oracle SQL Developer, and you want to compare the table structure of two tables using different schemas you can do the following: Select "Tools" Select Feb 5, 2016 · SQL: Comparing two counts from different Tables. Short answer, in MS SQL Server joining between two tables in different databases on the same server is largely equivalent to two tables in the same database. Image: Data Comparison Database selection; Select the Source Database and Target database. Kindly suggest. In the Migration dialog, click an item in Origin or Target fields. You need to use sys. Nov 15, 2016 · Replace [dataedo_6. However, the two servers are on different network segments. If your query requirements become more complex, then you just alter the query to return the data you're needing (i. At the moment you've created a query that's going between different databases using a 3 part name mydatabase. status from table1 a join table2 b on a. The "Firstdb" is version 9. Jan 6, 2012 · For Sql Server 2008 R2, go to Server Object > Linked Servers > Add new Linked Server. I've got a SQL 2005 DB running under a virtual environment. Those are the only ways to do cross-server queries. Other answers didn't worked for me straightforward. exe command line utility. Age ), B AS( SELECT b. Open Query Note: Beware not to rely on linked servers too much especially for filtering, and for joins across servers, as they require data to be read in full to the originating RDBMS before any conditions can be applied. You need to make sure that whatever account you use to add the link (via sp_addlinkedsrvlogin) has permissions to the table you're joining, but then once the link is established, you can call the server by name, i. Jan 19, 2016 · I know you can easily do the following if the databases are on the same SQL Server. If you have any guidance, please be specific. indexes ind INNER JOIN sys. But one of them may have more records than the other one so I want to see what the difference is between those two tables. Mar 22, 2013 · Background: In my SQL Server environment, I created a stored procedure which inspects the metadata of the two tables/views, creates a query (as dynamic sql) which joins the two tables on the specified key columns, and compares data in the compare columns, reporting key differences and data differences. , two SQL Server instances) or different types (e. Mar 9, 2011 · He is asking about querying two different databases, not specifically asking about querying from two different servers. Sep 26, 2017 · This shows me that there are 8 rows with the same customer id but different contents and that four of them have different phone numbers, two have different names and two have different addresses. Age, cnt = count(*) FROM PersonA a GROUP BY a. They both do the exact same thing. exec sp_addlinkedserver @server='ServerName'; 3. i need to query both the tables and get the result which has the recent regdate. Thanks to David. TABLES db2 ON db1. TABLE_NAME, a. length, sc. Apr 26, 2022 · This video describes the use of unknown built-in function in SQL Server Jun 29, 2023 · Hi I have 2 servers on different IPs: ServerA and ServerB. Is this possible using triggers? Jan 6, 2017 · In very simple cases you will be able to define in your local SQL Server a new Linked Server (see in Microsoft SQL Server Management Studio under "Server Objects" / "Linked Server") and use INNER JOIN and OUTER JOIN to find out differences between A and B tables. Could anyone explain how I can reference two different databases that exist on different servers inside my Execute SQL Task? You can construct the intersection manually using UNION. ID = Table2. field collate DATABASE_DEFAULT = table_2. objects. exe, which is included in the SQL Server installation. Age, cnt = count(*) FROM PersonB b GROUP BY b. The databases have more than 1000 tables and I need to compare each table and indexes in the schema in both databases at their DDL level. the column sys. In the Linked Server Properties, you can specify the linked server's collation there. Update: If you want compare the two tables columns' names, not the data itself, you have to work with the metadata tables to compare the columns' names the same way with EXCEPT. Customers as the **left table** and TARGET01. see also: . It can do table-by-table, one-off compare between two tables and generate the sql automatically for you to sync the dest to the source. Sep 26, 2014 · My soluton: I'm comparing the two data sets by creating a VIEW of each table on the old database with the same fields as the new database table. The table has about 3 million rows, and there's about 25000 rows different. I need to find differences for a subset of entries in a specific table. Symptoms. In the first part of this tip series, I presented how to save a database schema to a JSON file, and how to create a database using that JSON file. non-SQL Server ones). It can compare and synchronize any database data and scheme. As a data source, you can compare the database, backup, scripts folder, source control, and snapshot and set different options and filtering conditions to customize the default behavior of schema comparison and Nov 25, 2014 · I want to find new, modified and deleted records in one table (tableA) by comparing it to another table (tableB). Thank you. If the data type and key constraints matches, then only copy data from column of table A to same column of table B, otherwise copy that data to third table i. id where so. ID) Mar 1, 2019 · SQL Server can join separate tables from different databases fairly easily. status = 'Pending' and b. DATA_TYPE, a. existingtable; Is there any easy way to do this if the databases are on two different SQL Servers, without having to loop through every record in the original table and insert it into the new table? Nov 3, 2011 · I have a table on a server A and the same table on another server B. TABLES db1 FULL JOIN database2. Let’s create two tables as follows. I have tested this fine and it works without problems. Aug 29, 2023 · From Visual Studio, Open Tools 🡪 SQL Server 🡪 New Data Comparison. Now let's compare data in two SQL Server databases using the dbForge Data Compare wizard. Oct 20, 2016 · --filter query declare @filter nvarchar(200); declare @DBLevelPrincipals table( UserName sysname Null ,RoleName sysname Null ,LoginName sysname Null ,DefDBName sysname Null ,DefScName sysname Null ,UID int Null ,SID varbinary(85) Null ); Insert into @DBLevelPrincipals exec sys. If you don't have access to any other tools to compare the data in two tables, I would use tablediff. (One is SQL Server 2005 and the other is SQL Server 2008 R2, although the second server might go to SQL Server 2012. 2 and it is stored in a LAN server, port 5432. Feb 28, 2022 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jun 24, 2011 · I want to compare excel source Mno(Model number) with sql server Product table Mno (Model number), and if it is same i want to update Sql server Product table SPrice and Bprice. I am thinking of something like this but can't move ahead and need some help. The idea goes like this: You have to have a federated table based on the table at another remote location to use the way you want. Both tables are of the same schema and has a unique ID field. So far, I have this query. , SQL Server and Oracle). mydatabase. A LEFT JOIN will return all rows from the LEFT table and any matching ones on the right. Example : EXEC master. Mar 19, 2012 · And do you require the tables to be in sync only once in a while (e. They have to be in the form database. My previous answers' links doesn't work anymore for some reason, so here's another answer from TechNet:. Now, I know MySQL supports CHECKSUM TABLES , but from my testing and understanding, it's not reliable across server instances and versions. g. Chu. This works great when you want to compare the same tables in 2 different databases. TABLE_NAME IS NULL OR db2. columns where table_name = @table1 and table_schema = @schema1 ) c1 full outer join (select c. I'm currently working on a SQL Server migration (from a SQL Server 2005 to a 2008 R2 server, on a new physical server). SELECT CHECKSUM_AGG(BINARY I've run the query against my system which compares two tables with 21 fields of regular types in two different databases attached to the same server running SQL Server 2005. * from information_schema. Select the Source and Target types: you can choose a live database, a backup, or a script folder. there are mainly 3 things: Add new records where they are in Table A not Table B. They both have the same tables. Show differences between changes in a table form. CONVERT does something a bit different in Oracle so you'd be doing something like. Also the row order may be different in the to tables. You have to use FEDERATED ENGINE to do this. My concern is how to compare the values that comes in each row. object_id = ic. Quick, easy, always delivering a correct result. 0. Apr 17, 2017 · SELECT * FROM AllOrders WHERE Location = 2 Be aware that performance might be an issue if you have 40 databases in this list, though it may even perform quite well if the tables are extremely large as the workload is split across servers. But I'm trying to analyze them for performance purposes. Table Nov 14, 2011 · The best way I can think of to accomplish this is via sp_addlinkedserver. object_id and ind. Jun 27, 2018 · Use information_schema. I then compare the data using the technique described here: The shortest, fastest, and easiest way to compare two tables in SQL Server: UNION ! The UNION operator in MySQL can help you to compare data of two tables of two different databases. For two different databases simply add the database name to the front of your table (fully qualify it in other words) as in select * from master. Table A on Server A(60k data) and Table B on Server B(60k data). To Compare database, in Visual Studio, you can navigate to "Tools"->"SQL Server"->"New Schema Project" In the next screen, you need to select "Source" and "Destination" schema, which we want to compare. name as [column], sc. The "Seconddb" is version 10 and it is stored as localhost to my PC, port 5432. Each table has 2 columns that need to be compared, Type and Step, the remaining columns are RowID, CreatedDate, CreatedUserID, ModifiedDate and ModifiedUserID that do not need to be Jul 18, 2019 · But my problem is the since the two tables are not in sink the primary keys may be different for the same row. 0] with names of two of your databases (on SQL Server instance) that you'd like to compare. id = b. And I just want to see if this tool will give me a nice way to compare the data in both. indexes and sys. For example, in a distributed environment with SQL Server replication, say, we have one central publisher and several subscribers. The first db represents data from today, the second data from 6 months ago. We deploy my code to two servers, but sometimes we forget my changes in SQL Server (I don't use migration because my source code is old). Assume there are two servers with SQL Server installed. Click New Data Comparison on the Start Page to open the New Data Comparison wizard. With this, you can compare two tables with same structure simply by doing the following: SELECT * FROM Database1. Nov 10, 2010 · If the two databases are on the same server then you can do a series of queries that outer joins the sys. In SQL Server 2012 you can only add indexes to table variables via constraints. Also, I already added the linked server the other day between these two. user_type_id looks like it should be used instead, since it has the same content as system_type_id for the standard types. colorder you can have a look at the Nov 28, 2012 · You probably can use sql server's tablediff. Apr 23, 2021 · Here we are going to see how to Compare and Find Differences Between Two Tables in SQL. Name = b. Setup Test Environment I am a starter of SSIS. Now I need to compare what's different besides the schema name obviously. Mar 29, 2018 · I have two POSTGRES databases stored in different servers. and find which one is not matching. ca for the following store procedure. For this purpose, you may want to use SQL data comparison tools such as SQL Server’s TableDiff (located in the COM folder of the SQL Server installation) or some 3rd party tool, to configure options for synchronization, map the tables and columns with different names, and All I can think of now is using Python Pandas and loading the tables into data frames from SQL Server and also Postgres and compare the data frames. From time to time I need to compare data in two tables, which may be on different SQL Servers. This is basically poor-man's partitioning. * UNION ALL SELECT B. columns. Jan 22, 2015 · I'm not sure if there is such a tool given 2 sql server databases, I want the tool to tell me what is different between the 2 and give me the update script. To do that how to write the sql query ? FYI Dec 9, 2009 · Both databases are reside in same physical SQL server. Sep 6, 2022 · Find Data Differences from Two Tables Using LEFT JOIN. You can also use the SQL Schema Comparison tool found in Visual Studio. column_name = c2. Summary: in this tutorial, you will learn how to compare two tables to find the unmatched records. I’ll also want to produce a table of these differences that can be joined back to the Original and Revised tables. types. Right click on the object in SQL Server Object Explorer and specify Source and Target Here are some screen shots. Aug 29, 2013 · Add a connection manager to both servers in the solution explorer. com Aug 29, 2018 · In this article, we’ll describe a simple task to validate the table (row count only) between the databases on different SQL instances. Mar 18, 2020 · I have two different tables A and B and want to copy data from table A to table B but only after matching the datatypes and key constraints (like primary key) of two columns. When I insert a new record on the Vehicles table in Test, I need to update the NumVehicles field on the Clients table in Test2. EDIT: Well, I see you mentioned Sql*Plus above which to me says Oracle so for the sake of thoroughness. : You could probably do something like this: LINKED SERVER:--find your both test and prod server name by running query below select * from sys. Attempts Oct 30, 2018 · I want to compare two table records. demo_p_2 AS SELECT 2 as Col GO CREATE VIEW dbo. Again, to compare two tables hosted in different databases, we will query the INFORMATION_SCHEMA. Jul 6, 2018 · The INFORMATION_SCHEMA. In the second part I presented how to compare a database against the schema saved in part 1, and show all differences, if any. On both servers, there is one table with the same name and same fields, let's say the name of the table is TableX. Now you can Join the tables for the two Jan 6, 2017 · I would like my query to return the table name, and rowcount for all of the tables on our two reporting servers. COLUMN_NAME, b. (Optional) Use -f to generate a Transact-SQL file to fix data at the Subscriber so that it matches data at the Publisher. column_name where c1. system_type_id = t. * EXCEPT SELECT B. index_id = ic. I want to fetch the unmatching records from two table in SQL, the table structure is as follows: Table1. INFORMATION_SCHEMA. If you want to compare two tables you can use procedure 'CompareTables'. If the values are unique you could use. regards. I am not looking for which record is not found in one table. I’ve been tasked with comparing two databases’ schemas, but they’re on different servers. The table on server A has over 100 million records. status The only "free" option you have in SQL Server 2008 would be to create a link between the two servers and then use something like the MERGE statement (new in SQL Server 2008) to transfer the data. Query so far for one server, not sure how to add a third column connected with our other server though: Dec 30, 2021 · I had the same issue to connect an SQL_server 2008 to an SQL_server 2016 hosted in a remote server. For example, two schemas. name columnName, key_ordinal columnOrder FROM sys. SET @database_current = '<production>'; SET @database_dev = '<development>'; -- column and datatype comparison SELECT a. SELECT CASE WHEN (select count(*) from table1)=(select count(*) from table2) THEN 1 ELSE 0 END AS RowCountResult FROM Table1,Table2 Jan 28, 2021 · Assuming you have access to all three servers from one of the servers, you can do this easily in SQL. ID) --Find rows that exist in Table1 but not Table2 SELECT * FROM Table1 WHERE NOT EXISTS (SELECT 0 FROM Table2 WHERE Table1. Moreover, since Primary Keys are Indexes indeed in Sql Server, if you follow a naming convention where creating indexes, you can use the prefix for filtering out Primary Keys from 'other' indexes. In the one server I've one table a containing id bigserial and phone varchar(200) On the other server I've table b that contains id bigserial and tell varchar(200) Is there a way that I can compare witch rows from table a are present in the rows of table b Sep 30, 2023 · I have two SQL Server databases on different servers. Can someone help? I want to just display any differences, using a EXCEPT. collation from sysobjects so inner join syscolumns sc ON so. ultimately using one dataset to query 2 databases in 2 different servers. mytable but you need to go up a level and use a 4 part name myserver. TABLE_NAME ORDER BY COALESCE(db1. Mar 3, 2011 · You'll need to use sp_addlinkedserver to create a server link. DATA_TYPE, b. These tables have the same schema, just different table names. Dec 4, 2015 · It's dbForge Data Compare for SQL Server and dbForge Schema Compare for SQL Server. What I mean is I will compare two database tables which may have different column names but same data. prec, sc. Right-click the selection and navigate to Tools | Compare Structure. SELECT CHECKSUM_AGG(BINARY_CHECKSUM(*)) FROM ( SELECT * FROM table_to_compare ) t1 Jan 27, 2016 · I'm trying to compare the schemas of two tables that exist in different databases. Main advantages: Speedier comparison and synchronization of large databases; Support of native SQL Server backups; Custom mapping of tables, columns, and schemas; Multiple options to tune your comparison and synchronization; Generating comparison and Mar 11, 2010 · have a look at Red Gate SQL Compare. Apr 23, 2024 · These servers can be of the same type (e. See full list on mssqltips. column_id = col. I did that for tables in the same DB like that : SELECT FIELD 1, FIELD 2 FROM SCHEMA. Example : Is there a way I can compare 2 of the same tables, 1 from the backup vs 1 from the production server to see if last nights replication worked? The only way I could find was to run the following query on both servers and seeing if the result matched which "might" mean that to 2 tables contain the same information. Sep 6, 2016 · msisdn X is in table A and table B with two different regdate's. Apr 18, 2017 · Create Sample Tables. You can do that through the Microsoft SQL Server Management Studio wizard. object. types t ON sc. Appreciate if got any solutions or suggestions. I want to compare the data stored in this table. Table column_a(int) column_b(nvarchar) ----- ----- 1 Apple 2 Mango 3 5 4 2 5 Book I tried below query but did not work. Let’s say the Id in both tables is a primary key for simplicity’s sake. Microsoft SQL Server supports CHECKSUM table. Here, we will first create a database named “geeks” then we will create two tables “department_old” and “department_new” in that database. DECLARE @Sourcedb sysname DECLARE @Destdb sysname DECLARE @Tablename sysname DECLARE @SQL varchar(max) SELECT @Sourcedb = '<<SourceDatabaseName>>' SELECT @Destdb = '<<DestinationDatabaseName>>' SELECT @Tablename = '<<Tablename>>' -- '%' for Apr 20, 2012 · One powerful command for comparing data is EXCEPT. The following query unions the queries for matching column names and their values from two tables and keeps just those rows which occur once in the each table. Name Feb 27, 2009 · Is there any way to use a query and join two tables that is in two different database on the same server for DbVisualizer? I used the following for the SQL server Select * from table union select * That query doesn't work. Id Name 1 Prashant 2 Ravi 4 Alok 6 Raja The output I want is Apr 12, 2021 · Any suggestions on how to compare two tables stored in different databases having exactly same structure and data. If you haven't already, add one of the servers as a linked server on the other. ( You can compare local and remote database also) May 28, 2014 · Using java and SQL Server 2008, I need to compare the content of two tables, the thing to bear in mind is that they are on different servers so I have a connection to the first server (lets call it conn1) and a connection to the second server (lets call it conn2). scale, sc. object_id = col. GETHASH('SELECT <Field1> FROM <TABLE1> order by <FIELD1>', 2) AS hash_value FROM DUAL where Field1 is the primary key. I've been doing this manually in Excel with a macro after I've gotten a distinct list in each query, but it would be less work if I had a query. name, sc. What are some ways I can compare data between two different sql servers? May 10, 2014 · SOURCE01. I want to compare a single column on both tables and find the values that are missing in table1 but are in table2. Now, In one database, I have two tables I want to compare. Suppose after executing the table on the dev database server, we get 10 values and same amount of data, we get on the test database server. Table1 and another DB2 with the same table but in a different schema, backup. dbo. Drag dataflow task; Edit dataflow task add Oledb source and in sql command paste the below sql code; add oledb destination and map the columns with table3; sql code. DECLARE @temptableOLD TABLE ([Result1] int UNIQUE CLUSTERED); to add an index. error_log Feb 24, 2017 · Soo, Googled this: for structures:. I used to use a similar query to the below. *) and use CROSS APPLY (SELECT A. index_columns ic ON ind. Suppose I have two database servers (DB-SERVER-1 & DB-SERVER-2), and there is a single database on each server (DB1 & DB2). And not only that but the version of SQL Server is different on each of these servers. object_id and ic. demo_p_1 AS SELECT 1 as Col GO CREATE PROCEDURE dbo. TABLE_NAME, db2. Name, a. After, that we will execute our query on that table. It's easy if you have some unique field in both tables, e. Please tell me what are the steps i want to do? I want to validate that excel sheet also, because in excel Price2 column have string values Yes, it is possible in MySQL. CHARACTER_MAXIMUM_LENGTH FROM Aug 11, 2011 · Late answer but can be useful to the visitors of the thread. type, sc. 1. That doesn't work for structural changes, and it's limited only to having a live connection between the two servers. Otherwise here is a start (for sql server) select so. mytable, see this post on four part naming for more info I want to compare row count of two tables and then return 0 or 1 depending on whether its same or not. STEP 3: Note down differences and make plan to fix them. object_name. Jan 19, 2016 · I’m still pretty new with Toad for SQL Server (or any database for that matter). Run it up on you database! Jul 2, 2013 · I've one problem regarding manage information from two different Postgres servers. Details here, on MSDN. COLUMN_NAME, a. Dec 23, 2024 · Compare data by using the new data comparison wizard. Dec 12, 2019 · I have two columns in a table with different data types, how can i compare these two columns to look for similar values. I want to update the table on server A with the data from server B once a day. I'm not sure if you meant Microsoft SQL Server when you tagged your question as "sql-server" (which is the tag for specifically Microsoft SQL Server), since you mention Python and Java so I won't go into the specifics of setting up linked servers or remote querying. Oct 11, 2024 · In the Database Explorer (View | Tool Windows | Database Explorer) , select two objects of the same type. The tables in our examples reside in databases on different SQL Server instances, one SQL Server 2012, the other SQL Server 2008 R2, both installed on the same local system. Jul 29, 2016 · Yes, the RedGate stuff is great, but that is what I have done to compare the stored procedures in two different databases: Scripted all stored procedure into separate files. Jun 26, 2012 · Is there an easy way to export the settings from the production server and compare it to my server configuration? What I found out is that I can export Facets in SQL Server Management Studio to XML files and compare them in a diff tool. ymyflm kqxe czg hfq iuiu apm gflowry xrre zclkvd pybm

How to compare two tables in different servers in sql server. TABLE_NAME ORDER BY COALESCE(db1.