ApexSQL Diff

http://www.apexsql.com/sql_tools_diff.aspx

ApexSQL Diff is a SQL schema compare tool that compares schemas from databases, backups, scripts, and source control. It automates and schedules database synchronization. It integrates with all popular SC systems, e.g., Git, SVN. It provides report results in HTML, XML, and Excel.

Supported databases:

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You can find ApexSQL Diff in these categories:

ApexSQL Diff in Schema compare tools

http://www.apexsql.com/sql_tools_diff.aspx

ApexSQL Diff compares SQL schemas from databases, backups, scripts and source control. It deploys a database directly from the source control and initiate database compares directly from SSMS.