A.select count(all) from emp;
B.select count(emp_id) from emp;
C.select count(*) from emp;
D.select count(1) from emp;
A.CREATE PROCEDURE Myproc () BEGIN SELECT * FROM student; END;
B.CREATE PROCEDURE Myproc () { SELECT * FROM student; }
C.CREATE PROCEDURE Myproc [] BEGIN SELECT * FROM student; END;
D.CREATE PROCEDURE Myproc { SELECT * FROM student; };
A、select * from student where sex,age in(’男’,20);
B、select * from student where sex=’男’|| age=20;
C、select * from student where sex=’男’and age=20;
D、select * from student where sex=’男’or age=20;
His sister ______her hometown for three years. She'll return next year.
A. left
B. has left
C. has been away
D. has been away from
A.DECLARE@MyvarINT
B.SELECT*FROM[AAA]
C.CREATE DATABASE AAA
D.DELETE* FROM AAA
A.select top 2 * from hz
B.select top 2 % from hz
C.select head 2 * from hz
D.select head 2 % from hz
A.SELECT * from v_fstu;
B.SELECT * from view v_fstu;
C.SELECT * from view where v_fstu;
D.SELECT * where view=v_fstu;