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APPLY LATEST GOVT JOBS

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221 A data manipulation command the combines the records from one or more tables is called
(A). SELECT
(B). PROJECT
(C). JOIN
(D). PRODUCT


222 In E-R diagram generalization is represented by
(A). Ellipse
(B). Dashed ellipse
(C). Rectangle
(D). Triangle


223 _________ is a virtual table that draws its data from the result of an SQL SELECT statement.
(A). View
(B). Synonym
(C). Sequence
(D). Transaction


224 The method of access which uses key transformation is known as
(A). Direct
(B). Hash
(C). Random
(D). Sequential


225 A table joined with itself is called
(A). Join
(B). Self Join
(C). Outer Join
(D). Equi Join