ORA-04091: table string.string is mutating, trigger/function
may not see it
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Answer / guest
Cause: A trigger (or a user defined plsql 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.
Please add more information about this Error
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