Check the value of ORA_<dbid>_AUTO START key in your registry.
It supposed to be set to TRUE.
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MichaelB999 replied to Why Can't I Check Straightaway That at least One Row Matches My Criteria in a Query?in OracleIf you just want to check existance then you can try and add "... AND ROWNUM = 1" to your WHERE clause.
However, if you need to select all rows anyway - just do it.Leave a comment:
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