MSSQL to MySQL v4.1Win App | 3.4 MB | RS.COM
 MSSQL-to-MySQL is a program to migrate Microsoft SQL databases to MySQL server. Depending on your privileges on the target MySQL server you can export MS SQL data into new database or overwrite the contents of an existing MySQL database. 
Features 
All MS SQL data types and attributes are converted 
Work with all versions of MS SQL starting from 7.0 
Work with all versions of Unix and Windows MySQL servers 
Merges MS SQL data into an existing MySQL database 
Convert partial data using SELECT-queries  
Convert individual tables 
Convert indexes with all necessary attributes 
Convert foreign keys 
Command line support 
Store conversion settings into profile  
VServer user's option (see below) 
Support multibyte character sets  
Export MS SQL databases into MySQL dump file (see below) 
Easy-to-use wizard-style interface