Microsoft SQL Server Express, a freely downloadable and distributable version of Microsoft's SQL Server relational database management system, comprises a database specifically targeted for embedded and smaller-scale applications.

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Is the SQL Server Express memory and CPU limit per instance?

If I have 8GB of RAM in a server and I run 4 instances of SQL Server Express, will the total memory limit used by SQL Server be 1GB or 4GB? Would it be advisable to run multiple instances like this ...
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Removing Instances and SQL Server Express edition and going to Standard/Developer/Enterprise

I would like to move from SQL Server 2008 R2 Express to SQL Server 2008 R2 Developer or Enterprise. I just noticed that I have the following services running: SQL Server (MSSQLSERVER) SQL Server ...
2
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SQL Server 2005 Tools makes SQL Server 2008 Express install fail

When I tried installing SQL Server 2008 Express, the install failed due to this line. How can I circumvent this, or fix the issue?