McqMate
Q. |
FROM tbl_1 INNER JOIN tbl_2 WHERE tbl_1.i1 = tbl_2.i2; |
A. | 14 |
B. | 2 |
C. | 1 |
D. | 48 |
Answer» D. 48 | |
Explanation: in mysql, when the tables are unindexed, the searches are run through all the possible combinations. in this case, the search space is 8 x 6 = 48, the product of the number of rows. |
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