Sql Server Database Compare
SQL Server blog Python in SQL Server 2017: enhanced in-database machine learning Graph Data Processing with SQL Server 2017 and Azure SQL Database Power BI Report Server for on-premises Power BI report publishing View all. SQL Data Compare is the industry-standard tool for comparing and deploying SQL Server database contents. You can work with live databases, backups, or SQL scripts in source control. Damaged or missing data can be restored to a single row, without the need for a full database recovery. Compare two databases for objects differences This SQL script will compare table columns, Index and foreign keys in two databases. SQL Server, Compare Schema, Compare Database Objects, Compare Database Schema, Compare Table Structure, Scripts to compare db schema. Report abuse to Microsoft. Quickly and easily compare schema and data and synchronize schema and database changes across instances and versions of SQL Server or Oracle Database. Explore changes in each database object down to specific lines of SQL script. Migrate data, copy databases, and audit data. Generate SQL scripts for.
By: Last Updated: 2017-04-18 Related Tips: >Short prayer for a meeting. Problem Within the last 15+ years of work experience as an MSSQL DBA and Developer for small, medium and large corporations the simple task of keeping table schemas in sync amongst development, QA and production environments seems to be a recurring task. The market offers a variety of good tools that can help to synchronize SQL Server environments, however there is a quick and dirty way that can be used to compare table schemas directly from Microsoft SQL Server which we will cover in this tip.
Solution Without the use of third party tools, one way to compare table schemas using native T-SQL is to query the INFORMATION_SCHEMA.COLUMNS metadata and build a custom made procedure or logic that compares two tables. Another way to do this is to use the dynamic management function sys.dm_exec_describe_first_result_set, available since SQL Server 2012 that takes a T-SQL statement as input parameter and outputs the metadata description. Let's see how we can take advantage of this dynamic management function to build a way to compare table structures. Create Sample Tables Let's create two tables as follows.
Sql Server Database Compare
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 and to address the objects if we want to compare against different servers. SELECT DEV.name as DEV_ColumnName, PROD.name as PROD_ColumnName, DEV.is_nullable as DEV_is_nullable, PROD.is_nullable as PROD_is_nullable, DEV.system_type_name as DEV_Datatype, PROD.system_type_name as PROD_Datatype, DEV.is_identity_column as DEV_is_identity, PROD.is_identity_column as PROD_is_identity FROM sys.dm_exec_describe_first_result_set (N'SELECT * FROM dbo.WebUsers', NULL, 0) DEV FULL OUTER JOIN sys.dm_exec_describe_first_result_set (N'SELECT * FROM dbo.WebUsers2', NULL, 0) PROD ON DEV.name = PROD.name GO We can see a comparison between the two datasets. We can see these tables are almost identical, except that the usrID is not an identity on WebUsers2. Post a comment or let the author know this tip helped. All comments are reviewed, so stay on subject or we may delete your comment. Note: your email address is not published. Required fields are marked with an asterisk (*).
Sql Data Compare
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Database Comparison Tool
Note Database projects and.dacpac or.bacpac packages cannot be the source or target in a data comparison. As the data is compared, a Data Manipulation Language (DML) script is generated, which you can use to synchronize the differing databases by updating some or all of the data on the target database. When the data comparison finishes, its results appear in the Data Compare window of Visual Studio. After the comparison finishes, you can take other steps: • You can view the differences between the two databases. For more information, see. • You can update all or part of the target to match the source. For more information, see.
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