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ORA-12991: column is referenced in a multi-column constraint

ORA-12991: column is referenced in a multi-column constraint
Cause: An attempt was made to drop a column referenced by some constraints.
Action: Drop all constraints referencing the dropped column or specify CASCADE CONSTRAINTS in statement.

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1 个回答

小智
ORA-12991:列在多列约束中引用,
.原因:尝试删除某些约束引用的列。,
.操作:删除引用删除列的所有约束或在语句中指定CASCADE CONSTRAINTS。,
.
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