MCQOPTIONS
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| 1. |
Consider the following three SQL queries (Assume the data in the people table) :(a) Select Name from people where Age>21;(b) Select Name from people where Height>180;(c) Select Name from people where (Age>21) or (Height>180);If the SQL queries (a) and (b) above, return 10 rows and 7 rows in the result set respectively, then what is one possible number of rows returned by the SQL query (c) ? |
| A. | 3 |
| B. | 7 |
| C. | 10 |
| D. | 21 |
| Answer» D. 21 | |