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Exam 1z0-882 topic 1 question 8 discussion

Actual exam question from Oracle's 1z0-882
Question #: 8
Topic #: 1
[All 1z0-882 Questions]

You try to add a foreign key to the InnoDB table employees:
Mysq1> ALTER TABLE employees ADD FOREIGN KEY (Department_ID) REFERENCES departments (Department_ID);
ERROR 1215 (HY000): cannot add foreign key constraint
Which command will provide additional information about the error?

  • A. SHOW ERRORS
  • B. Error 1215
  • C. SHOW ENGINE INNODB STATUS
  • D. SELECT FROM information_schema.INNODB_SYS_FOREIGN
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
Reference:
http://zeering.com/LoadAnswers.aspx?q=Foreign%20Key%20constraint
(see update)
by [deleted] at April 4, 2025, 12:52 p.m.

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