A dependency exist between two columns when – McqOptions

MCQOPTIONS

1.	A dependency exist between two columns when
A.	Together they constitute a composite key for the table
B.	Knowing the value in one column determines the value stored in another column
C.	The table is in 3NF
D.	Together they constitute a foreign key
Answer» B. Knowing the value in one column determines the value stored in another column

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