让说我有一个名为表:条件单个SQL查询插入
EMP(Eid,Ename,ESalary)
现在我要编写一个查询,将更新:
if employee's salary >= 20000 then increment 25% else update 15% salary
让说我有一个名为表:条件单个SQL查询插入
EMP(Eid,Ename,ESalary)
现在我要编写一个查询,将更新:
if employee's salary >= 20000 then increment 25% else update 15% salary
update EMP
set ESalary = CASE WHEN salary >= 20000
THEN salary * 1.25
ELSE salary * 1.15
END;
试试这个:
update emp a set esalrary =
(select (case when esalary >=20000 then esalary+(esalary*25/100)
else esalary+(esalary*25/100) end) from emp b where a.eid=b.eid);
非常感谢你 – 2013-04-25 08:44:34
Thanks Mate。我忘记了案件 – 2013-04-25 08:43:24