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.
1.6k
0
Do you find this helpful?
1

Discussion

No comments yet