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Your developers will get mad. If your concerned about cost use express editions. You can't cluster or replicate but aside from that it's fully functional. 
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Your developers will get mad. If your concerned about cost use express editions. You can't cluster or replicate but aside from that it's fully functional.

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But Express has database size limitation (2005-4GB, 2008 10GB?).<br />
MySQL is free and the database size is much more than what Express can offer.
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But Express has database size limitation (2005-4GB, 2008 10GB?).
MySQL is free and the database size is much more than what Express can offer.

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Talk to your programmers. If they are using linq or entity framework they will have prolems. My biggest issue with mysql is the lack of decent support for stored pocedures. Many .net mssql guys live off stored procs. 
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Talk to your programmers. If they are using linq or entity framework they will have prolems. My biggest issue with mysql is the lack of decent support for stored pocedures. Many .net mssql guys live off stored procs.

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Is MySQL product really free to use even for commercial?<br />
The free MySQL is a full feature product?<br />
<br />
What is the advantage of migrating from MSSQL 2005/8 to MySQL<br />
when all my servers are running Microsoft OS and all my developement<br />
work is using VS 2005/2008?<br />

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Is MySQL product really free to use even for commercial?
The free MySQL is a full feature product?

What is the advantage of migrating from MSSQL 2005/8 to MySQL
when all my servers are running Microsoft OS and all my developement
work is using VS 2005/2008?


Migrating to MySQL

Microsoft SQL Server 2008 is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning. Major improvements include the  Always On technologies and support for unstructured data types.

Microsoft SQL Server 2008

Microsoft SQL Server 2005 is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning. It includes support for managing XML data and allows a database server to be exposed over web services using Tabular Data Stream (TDS) packets encapsulated within SOAP (protocol) requests.

Microsoft SQL Server 2005

MySQL is an open source, relational database management system that runs as a server providing multi-user access to a number of databases. Acquired by Oracle in 2009, it is frequently used in combination with PHP installations, powering most of the WordPress installations.