Keeping a history of data changes in database

Question

Every change of data in some row in database should save the previous row data in some kind of history so user can rollback to previous row data state. Is there any good pra

Answer 1

You can use triggers for that. Here is one example.

 AutoAudit is a SQL Server (2005, 2008)
 Code-Gen utility that creates Audit
 Trail Triggers with:

     * Created, Modified, and RowVerwsion (incrementing INT) columns to table
     * view to reconstruct deleted rows
     * UDF to reconstruct Row History
     * Schema Audit Trigger to track schema changes
     * Re-code-gens triggers when Alter Table changes the table

http://autoaudit.codeplex.com/