Database Comparer.
This tool is designed to help you compare two database structures and create the "script of difference". You can compare two databases, database and SQL script file or two script files. Actually it compares two script files and automatically extracts metadata for selected databases.
The first so called "source" database is the database with outdated structure. The second "target" database is the database with the morden structure and our "source" database must have the same structure as a "target". So the "script of difference" is a script which can update source database structure to the target database structure.
You can change the following comparing options: