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Editorial Team
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Asked: 2026-05-25T13:24:39+00:00

Doing a Google/Bing search for vsdbcmd two databases diff is not showing me anything

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Doing a Google/Bing search for “vsdbcmd two databases diff” is not showing me anything clear. I just have two databases live on the same server and I want to diff them and then apply schemata differences from A->B. Just like I could do in the VS2010 GUI.

Can anyone point me in the right direction for this?

Thanks.

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1 Answer

  1. Editorial Team

    Got this through trial and error. Hope it helps the next person.

    VSDBCMD /a:Import /cs:"Server=myserver;Integrated Security=true;Pooling=false;Initial Catalog=mydb" /dsp:Sql /model:sourcedb.dbschema

VSDBCMD /a:Import /cs:"Server=myserver;Integrated Security=true;Pooling=false;Initial Catalog=mydestdb" /dsp:Sql /model:mydestdb.dbschema


vsdbcmd /action:deploy /dd:- /dsp:Sql /modelfile:sourcedb.dbschema /targetmodelfile:mydestdb.dbschema /p:TargetDatabase="mydestdb" /Quiet:- /DeploymentScriptFile:diff.sql

    I got an incorrect error message about not being able to determine the schema based on the connection string. It turns out the problem was missing “DatabaseSchemaProviders.Extensions.xml” file, I was trying to make a standalone VSDBCMD distro and did not have that file handy.

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