I had SQL Server 2005 Express Edition installed along
with Visual Studio 2005. Today, I installed SQL Server 2005 Developer Edition,
but installed it as the default instance instead of as a named instance. Probably
as a result of that installation, I’ve lost the Express Edition. Is it
OK to install SQL Server Express on the same machine as the SQL Server Developer
Edition?
Yes, I have them side by side on several machines. Are you sure you lost SQL
Server Express? Look in the Administrative tools, Services menu. Typically,
SQL Server Express is installed as a named instance called SQLEXPRESS, but you
might not see the SQLEXPRESS named instance when SQL Server Management Studio
first opens. When you see the instance, you simply need to establish a connection
to Database Engine\<server name>SQLExpress.
If you did overwrite your SQL Server Express instance during your installation
of the Developer edition, then yes, you can add SQL Server Express as a named
instance. Just download the Service Pack 1 (SP1) version at http://www.microsoft.com/sql
—Richard Waymire
Program Manager Architect
Visual Studio Team System
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