ORA-25155: column used in NATURAL join cannot have qualifier
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Answer / felix
"Qualifier" means the table alias used before the column's
name. Just write the name of the column without specifying
its table because the optimizer will know what table to
look for this column.
| Is This Answer Correct ? | 25 Yes | 3 No |
Answer / guest
Cause: Columns that are used for a named-join (either a
NATURAL join or a join with a USING clause) cannot have an
explicit qualifier.
Action: Remove the qualifier.
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| Is This Answer Correct ? | 6 Yes | 2 No |
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