Which of these comparisons is slowest?
(a) INT/INT
(b) INT/BIGINT
(c) BIGINT/BIGINT
(d) All are of same speed
(a) INT/INT
(b) INT/BIGINT
(c) BIGINT/BIGINT
(d) All are of same speed
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The correct option is (b) INT/BIGINT
Explanation: On comparing indexed columns, identical data types will give better performance than dissimilar types. So an INT/INT or BIGINT/BIGINT comparison is faster than an INT/BIGINT comparison.