A.SELECTename,sal*12,AnnualSalaryFROMemp
B.SELECTename,sal*12"AnnualSalary"FROMemp
C.SELECTename,sal*12ASAnnualSalaryFROMemp
D.SELECTename,sql*12ASINICTAP("AnnualSalary")FROMemp
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更多“在表emp里，统计员工的年薪并生成别名AnnualSalar…”相关的问题
第1题
A.selectt1.emp_name,t2.salfromempt1,salt2wheret1.emp_id=t2.emp_id
B.selectt1.emp_name,t2.salfromempt1leftjoinsalt2ont1.emp_id=t2.emp_id
C.selectt1.emp_name,t2.salfromempt1whereemp_idin(selectt2.emp_idfromsalt2)
D.selectt1.emp_name,t2.salfromempt1leftjoinsalt2wheret1.emp_id=t2.emp_id
第2题
A.select ename， sal*12 ’Annual Salary' from emp
B.select ename， sal*12 “Annual Salary” from emp
C.select ename， sal*12 as Annual Salary from emp
D.select ename， sal*12 as initcap(“ANNUAL SALARY”)from emp;
第3题
A、Select Name,Job,(Sal*12 +100+200) As Income From Emp
B、Select Name,Job,(Sal+100+200)*12 As Income From Emp
C、Select Name,Job,(Sal+100+200)/12 As Income From Emp
D、Select Name,Job,(Sal+300)/12 As Income From Emp
第4题
A.SELECT ename， sal FROM EMP
B.SELECT ename，sal， sal+100 FROM emp
C.SELECT ename，sal，12*sal+100 FROM emp
D.SELECT ename，sal，12*（sal+100）FROM EMP
第5题
A.UPDATE emp SET salary+=300 where eNum='01099';
B.UPDATE emp SET salary=salary+300 where eNum='01099';
C.ALTER TABLE emp SET salary=salary+300 where eNum='01099';
D.ALTER TABLE emp SET salary+=300 where eNum='01099';
第6题
A.UPDATE emp SET salary+=300 where eNum='01099';
B.UPDATE emp SET salary=salary+300 where eNum='01099';
C.ALTER TABLE emp SET salary=salary+300 where eNum='01099';
D.ALTER TABLE emp SET salary+=300 where eNum='01099';
第8题
A.select ename from emp where sysdate-hiredate>5
B.select ename from emp where hiredate-sysdate>5
C.select ename from emp where (sysdate-hiredate)/365>5
D.select ename from emp where(sysdate-hiredate)*365>5
第9题
A.type array arr_type[emp.ename%type] index by binary_integer;
B.type table arr_type[emp.ename%type] index by binary_integer;
C.type arr_type is table of emp.ename%type index by binary_integer;
D.type arr_type is pl_sql table of emp.ename%type index by binary_integer;
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