SQLMerger enables you to compare and merge data from two databases visually and automatically. All the changes are made via a SQL script automatically created and collected through time. SQLMerger enables you to compare and merge data from two databases visually and automatically. All the changes are made via a SQL script automatically created and collected through time. SQLMerger makes it very easy to upgrade and edit contents in any database. The tool also contains a number of other toolkits to make database content editing and browsing much more comfortable than you are probably used to using the tools from the database vendor.