用DELETE-SQL语句删除XS（学生）表中所有XB（性别，字符型）字段值为“男”的所有记录,可以使用下列命令( )。
A.DELETE FROM xs FOR xb=男
B.DELETE FROM xs WHERE xb=“男”
C.DELETE FROM xs WHERE xb=男
D.DELETE FROM xs FOR xb=“男”
正确答案是B
用DELETE-SQL语句删除XS（学生）表中所有XB（性别，字符型）字段值为“男”的所有记录,可以使用下列命令( )。
A.DELETE FROM xs FOR xb=男
B.DELETE FROM xs WHERE xb=“男”
C.DELETE FROM xs WHERE xb=男
D.DELETE FROM xs FOR xb=“男”
正确答案是B