A. Select * From Emp
B. Select * From Emp Where EmpNO Like '%%'
C. Select * From Emp Where Name = '%%'
D. Select * From Emp Where Name Like '%%'
A. elect * From Emp Where HirDate>='1981-1-1' And HirDate<='1981-12-31'b. select * from emp where between in '1981-1-1' and<'1981-12-31'c. select * from emp where between in '1981-12-31' and<'1981-1-1'd. select * from emp where hirdate>='1981-1-1' NOT HirDate<='1981-12-31'
A.Select * From Emp
B.Select * From Emp Where EmpNO Like '%%'
C.Select * From Emp Where Name = '%%'
D.Select * From Emp Where Name Like '%%'
A.select * from emp where ename in ‘S%‘;
B.select * from emp where ename=‘S%‘;
C.select * from emp where ename like ‘S%‘;
D.select * from emp where ename like ‘S_‘;
A.elect * From Emp Where HirDate>='1981-1-1' And HirDate <='1981-12-31'
B.Select * From Emp Where Between In '1981-1-1' And <'1981-12-31'
C.Select * From Emp Where Between In '1981-12-31' And <'1981-1-1'
D.Select * From Emp Where HirDate>='1981-1-1' NOT HirDate <='1981-12-31'
A、UPDATE emp SET salary+=300 where eNum='01099';
B、UPDATE emp SET salary=salary+300 where eNum='01099';
C、LTER TABLE emp SET salary=salary+300 where eNum='01099';
D、ALTER TABLE emp SET salary+=300 where eNum='01099';
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