MCQOPTIONS
Saved Bookmarks
| 1. |
Suppose now that R(A,B) and S(A,B) are two relations with r and s tuples, respectively (again, not necessarily distinct). If m is the number of (not necessarily distinct) tuples in the result of the SQL query: R intersect S;Then which of the following is the most restrictive, correct condition on the value of m? |
| A. | M = min(r,s) |
| B. | 0 <= m <= r + s |
| C. | Min(r,s) <= m <= max(r,s) |
| D. | 0 <= m <= min(r,s) |
| Answer» E. | |