What is self-referential integrity constraint ?

If a foreign key reference a parent key of the same table is called self-referential integrity constraint.

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samiksc

  • Jan 19th, 2006
 

Self referential integrity constraint refers to two columns related by referential integrity which belong to the same table.

For example ManagerId column in employees table is a foreign key which refers to EmployeeId in the same table.

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