To compare database definitions. On the Tools menu, select SQL Server, and then click New Schema Comparison. Alternatively, right-click the TradeDev project in Solution Explorer, and select Schema Compare. The Schema Compare window opens, and Visual Studio automatically assigns it a name such as SqlSchemaCompare1 .
Right-click on the right/left panel and click the Difference highlights option from the context menu. Go to the View tab in the main application window and click the Difference highlights button.
Datanamic DataDiff is a powerful and easy-to-use utility for data comparison and synchronization. Compare data for selected tables in two databases, view differences and publish changes quickly and safely.
I use schema and data comparison functionality built into the latest version Microsoft Visual Studio 2015 Community Edition (Free) or Professional / Premium / Ultimate edition. Works like a charm!
http://channel9.msdn.com/Events/Visual-Studio/Launch-2013/VS108
Red-Gate's SQL data comparison tool is my second alternative:
(source: spaanjaars.com)
I like Open DBDiff.
While not the most complete tool, it works great, it's free, and it's very easy to use.
I am using Red-Gate's software: http://www.red-gate.com
SQL Admin Studio from http://www.simego.com/Products/SQL-Admin-Studio is now free, lets you manage your SQL Database, SQL Compare and Synchronise, Data Compare and Synchronise and much more. Also supports SQL Azure and some MySQL Support too.
[UPDATE: Yes I am the Author of the above program, as it's now Free I just wanted to Share it with the community]
I'm partial to AdeptSQL. It's clean and intuitive and it DOESN'T have the one feature that scares the hell out of me on a lot of similar programs. One giant button that it you push it will automatically synchronize EVERYTHING without so much as a by-your-leave. If you want to sync the changes you have to do it yourself and I like that.
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