Oracle Interview QuestionDeveloper Program Engineers
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Which one of the following is NOT a referential integrity issue in a relational database where the DEPT column of the EMPLOYEE table is designated as a foreign key into the DEPARTMENT table?
Updating the value of DEPT in a row of EMPLOYEE with a value that is not the primary key of any of the rows in DEPARTMENT
Inserting a new row into DEPARTMENT with a primary key that is not the value of the DEPT column of any row in EMPLOYEE
Deleting a row of DEPARTMENT
Inserting a new row into EMPLOYEE with a DEPT whose value is not the primary key of any of the rows in DEPARTMENT