What is the self-referencing constraint?
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Answer / s
Self-referencing constraint makes the table both the parent
and dependent table in the same referential constraint. The
foreign key to the table is defined after the table is
created.
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Answer / mehdee
- To me it is when we create DB2 table and we use options
like, for example:
CONSTRAINT BONUS CHECK(BONUS <= SALARY)
OR
RESTRICT ON DROP
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