DBI202Xuất hiện trong 1 đề thi
What is the difference between the WHERE and HAVING SQL clauses?
Các lựa chọn
AThe WHERE and the HAVING clauses are identical
BThe HAVING SQL clause condition(s) is applied to all rows in the result set before the WHERE clause is applied (if present). The WHERE clause is used only with SELECT SQL statements and specifies a search condition for an aggregate or a group
CThe WHERE SQL clause condition(s) is applied to all rows in the result set before the HAVING clause is applied (if present). The HAVING clause is used only with SELECT SQL statements and specifies a search condition for an aggregate or a group
DNone of the others