题目内容
（请给出正确答案）
A.one
B.two
C.three
D.four
参考答案
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
网友提供的答案
更多“There might be a sale where the item is 50% off or buy one get_____free.”相关的问题
A、select max(sal) from tab where sal ＜max(select sal from＞ B、select min(sal) from (select sal from tab order by sal limit 2)
C、select sal from tab order by sal desc limit 1 offset 1
D、select max(sal) from tab where sal not in (select max(sal) from tab)
A.select sal,decode(sal＞3000,‘A‘,sal＞2000,‘B‘,‘C‘) grade from emp;
B.select sal,decode(sal,3000,‘A‘,2000,‘B‘,‘C‘) grade from emp;
C.select sal,(case when sal＞3000 then ‘A‘ when sal＞2000 then ‘B‘ else ‘C‘ end) grade from emp;
D.select sal,(if sal＞3000 then ‘A‘ elsif sal＞2000 then ‘B‘ else ‘C‘ end if) grade from emp;
A.SELECTmax（sal）,deptnoFROMEMPORDERBYsal
B.SELECTmax（sal）,deptnoFROMEMPORDERBYdeptno
C.SELECTmax（sal）,deptnoFROMEMPGROUPBYdeptno
D.SELECTmax（sal）,deptnoFROMEMPGROUPBYsal
A.selectjob,min（sal）fromempgroupbyjob
B.selectjob,min（sal）fromempwheredept_id=1groupbyjob
C.selectjob,max（sal）fromempwheredept_id=1groupbyjob
D.selectjob,min（sal）fromempwheredept_id=1
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.SELECTAVG（sal）FROMemp
B.SELECTdeptno,AVG（sal）FROMempGROUPBYdeptno
C.SELECTdeptno,job,AVG（sal）FROMempGROUPBYdeptno,job
D.SELECTdeptno,AVG（sal）FROMempGROUPBYdeptnoHAVINGjob=’clerk’
A. No change is required to achieve the desired results.
B. SELECT ename, sal, 12* (sal+100) FROM emp;
C. SELECT ename, sal, (12* sal)+100 FROM emp;
D. SELECT ename, sal +100,*12 FROM emp;
A.SELECTename,sal*12,AnnualSalaryFROMemp
B.SELECTename,sal*12"AnnualSalary"FROMemp
C.SELECTename,sal*12ASAnnualSalaryFROMemp
D.SELECTename,sql*12ASINICTAP("AnnualSalary")FROMemp
B.不能使用运算符号
C.select sal+1 into emp
D.select sal*10,deptno*10 from emp
警告：系统检测到您的账号存在安全风险
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！
