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create table tbtest(a date);
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commit;
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variable n number;
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Cause: A trigger (or a user defined PL/SQL function that is referenced in this statement) attempted to look at (or modify) a table that was in the middle of being modified by the statement which fired it.
Action: Rewrite the trigger (or function) so it does not read that table
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<LobSystem xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:schemaLocation="http://schemas.microsoft.com/office/2006/03/BusinessDataCatalog BDCMetadata.XSD" Type="Database" Version="1.0.0.0" Name="OracleLOBSystem" xmlns="http://schemas.microsoft.com/office/2006/03/BusinessDataCatalog">
<Properties>
<Property Name="WildcardCharacter" Type="System.String">%</Property>
</Properties>
<LobSystemInstances>
<LobSystemInstance Name="OracleInstance">
<Properties>
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