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APPLY LATEST GOVT JOBS

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216 To delete a particular column in a relation the command used is:
(A). UPDATE
(B). DROP
(C). ALTER
(D). DELETE

217 The ______ operator is used to compare a value to a list of literals values that have been specified.
(A). BETWEEN
(B). ANY
(C). IN
(D). ALL

218 A logical schema
A) is the entire database
B) is a standard way of organizing information into a accessible part
C) describe how data is actually stored on disk
D) none of these


219 A B-tree of order m has maximum of _____________ children
(A). m
(B). m+1
(C). m-1
(D). m/2
220
_____________ function divides one numeric expression by another and returns the remainder.
(A). POWER
(B). MOD
(C). ROUND
(D). REMAINDER