单项选择题
要查询的PROFITS表存储公司不同地区、产品类型和季度的利润信息。下列哪个SQL语句按不同地区、产品类型和季度求出平均利润大于100000美元的利润?()
A.select region,prod_type,period,avg(profits)from profits where avg(prodit)>100000group by region,prod_type,period;
B.select region,prod_type,period,avg(profits)from profits where avg(prodit)>100000order by region,prod_type,period;
C.select region,prod_type,period,avg(profits)from profits group by region,prod_type,period having avg(prodit)>100000;
D.select region,prod_type,period,avg(profits)from profits group by region,prod_type,period having avg(prodit)<100000;
相关考题
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单项选择题
检查下列SQL的输出:这个查询按哪个列的顺序返回输出?()
A.A .DEPTON
B.A .JOB
C.B .LOC
D.SUM(A .SAL) -
单项选择题
对数据库运行下列哪个group by查询时会从Oracle产生错误?()
A.select deptno,job,sum(sal)from emp group by job,deptno;
B.select sum(sal),deptno,job from emp group by job,deptno;
C.select deptno,job,sum(sal)from emp;
D.select deptno,sum(sal),job from emp group by job,deptno; -
单项选择题
PROFITS表存储公司不同地区、产品类型和季度的利润信息。下列哪个SQL语句显示不同地区、产品类型和季度的利润的交叉表输出?()
A.select region,product_type,time,sum(profit)from profits group by region,prod_type,time;
B.select region,product_type,time from profits group by rollup(region,prod_type,time);
C.select region,product_type,time,from profits group by cube(region,prod_type,time);
D.select region,product_type,time,sum(profit)from profits group by cube(region,prod_type,time);