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Asked: 2026-05-26T21:42:45+00:00

What SQL query can I use to check if a table exists. I need

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What SQL query can I use to check if a table exists.

I need to support different versions of schema, and some deployments can miss certain tables

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  1. Editorial Team

    If they are Cache tables, you may use the %Dictionary.CompiledClass system table.

    select id from %Dictionary.CompiledClass where SqlSchemaName='%BI' and SqlTableName='Alerts'

    Or, if you know Cache class name of your table,

    select id from %Dictionary.CompiledClass where ID='%BI.Alerts'

    These queries will return 1 row if table %BI.Alerts exists.

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