以下语句错误的是() A.select sal+1 from emp; B.select sal*10,sal*deptno from emp
以下语句错误的是()
A.select sal+1 from emp;
B.select sal*10,sal*deptno from emp;
C.不能使用运算符号
D.select sal*10,deptno*10 from emp;
以下语句错误的是()
A.select sal+1 from emp;
B.select sal*10,sal*deptno from emp;
C.不能使用运算符号
D.select sal*10,deptno*10 from emp;
A、TRUNCATE TABLE book
B、TRUNCATE book
C、TRUNCATE FROM book
D、TRUNCATE * TABLE book
A、ostmt.setInt(2,800);
B、ostmt.setInt(1,800);
C、ostmt.setString(2,”800”);
D、ostmt.setString(1,”800”);
A、SAGE>=20 and CNAME=’ ACCESS’
B、S.S# = SC.S# and C.C# = SC.C# and SAGE in>=20 and CNAME in ‘ACCESS’
C、SAGE in>=20 and CNAME in ‘ACCESS’
D、S.S# = SC.S# and C.C# = SC.C# and SAGE>=20 and CNAME=‘ACCESS’
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!