Sync Database MySQL Edition 

Sync Database is an easy solution to compare and sync MySQL databases. Structure differences are quickly determined, you can review and modify sync actions, as well as generated SQL script.
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Foxy SQL Pro 

Foxy SQL Pro allows you to execute SQL commands and queries against any database. Connections: Native, ODBC, ADO. Supported db: Oracle, MS SQL, IB, DB2, MySQL, PostgreSQL... Features: automatic pre-parser, export results to XML, HTML, TXT, CSV.
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SQLExecMS 

Unique all-in-one interface for management, tuning up, development and data manipulation. Consolidates a lot of SQL Server admin and debug features into one program. Great tool for MSDE admins. Could be used like a substitution for EM and QA.
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SQLTools 

SQLTools is a light weighted and robust tool for Oracle database development. It includes a text editor, an sql console and a couple of sql utilities. You can use it for dial-up connection and it will work as fast as SQLPlus.
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SQL Balance for Sybase 

Database Administrators rejoice! Now you don't have to compare and synchronize SQL databases manually. SQLBalance compares the structure and scripts of different databases, highlighting the differences. One click and your databases are synched.
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AdeptSQL Diff 

With AdeptSQL Diff, you can visually compare two MS SQL Server databases, then produce and execute difference scripts for a choosen part or for the whole schema. Also compares table data. Very fast and easy to operate.
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