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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