Which key declares that an index in one table is related to that in an – InterviewSolution

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1.	Which key declares that an index in one table is related to that in another?(a) primary(b) secondary(c) foreign(d) cross
Answer» Right option is (c) foreign The explanation is: In MySQL, a foreign key is the one which facilitates index relations across tables. It declares that an index in one table is related to that in another and place constraints.

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