Keyword Analysis & Research: define referential integrity constraint


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Frequently Asked Questions

What is meant by referential integrity?

referential integrity is the act of ensuring that the target’referred’ to is found. Relational databases may return incomplete data, usually without any indication of errors, if referential integrity is lacking.

How to resolve integrity constraint violation?

In order to remedy this error, you will need to insert the value that you attempted to place in the child table into the parent table first. Once inserted as a parent row, you can go back and insert the value into the child table. You will receive an “ORA-02291: integrity constraint violated” error.


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