when t.table_column='条件' then t.table_column end)='条件' my sql code: -- 测试sql SELECT *FROM PROJECT_INFO pi WHERE (CASE WHEN PI.START_DATE_OF_REMOTE_AUDIT IS NOT NULL THEN TO_CHAR(PI.END_DATE_OF_REMOTE_AUDIT, 'yyyy-mm-dd') WHEN PI.START_DATE_OF_REMOTE_AUDIT IS NULL THE...
where case when用法oracle 在Oracle数据库中,`WHERE`和`CASE WHEN`可以一起使用,以实现更复杂的筛选条件。具体来说,你可以在`WHERE`子句中使用`CASE WHEN`语句,这样可以在一个查询中执行多个条件。 以下是一个简单的例子: ```sql SELECT FROM your_table WHERE CASE WHEN column1 = 'value1' THEN 1 WHEN...
SUM(CASE WHEN 区县代码 IS NULL AND (TRUNC(委托时间, 'DD') BETWEEN V_SJQ AND V_SJZ) AND 申请状态代码 IS NOT NULL THEN 1 ELSE 0 END) 案件总数 FROM TA_律师申请委托 )A WHERE A.排序 IN(V_排序1,V_排序2,V_排序3,V_排序4,V_排序5) ORDER BY A.排序; 通过排序号,来控制不同管理员...
for cur_case_when_new in ( select EMPLOYEE_ID,FIRST_NAME,SALARY from employees where rownum<=10) loop ISFlag := case cur_case_when_new.SALARY WHEN >13000 THEN 'high' WHEN 9000, 12008 THEN 'normal' WHEN 4800,4200,6000 THEN 'low' ELSE 'executive pay' end; dbms_output.put_line('员...
SUM(CASE WHEN 区县代码 IS NULL AND (TRUNC(委托时间, 'DD') BETWEEN V_SJQ AND V_SJZ) AND 申请状态代码 IS NOT NULL THEN 1 ELSE 0 END) 案件总数 FROM TA_律师申请委托 )A WHERE A.排序 IN(V_排序1,V_排序2,V_排序3,V_排序4,V_排序5)ORDER BY A.排序;通过排序号,来控制不同管理员...
COUNT (CASE WHEN sex = 2 THEN 1 ELSE NULL END) 女生数 FROM students GROUP BY grade; 1. 2. 3. 4. 5. 6. 7. 8. 注:此语句表示查询学生信息表中各年级的男生和女生数,并按年级分组(数据库中性别是以1和2表示) 2.在WHERE 后 用法(作为条件进行) ...
语句如下:123 select * from 员工表 where case when 性别=1 then '男' else '女' end='男'这里的关键在于,CASE WHEN 语句首先会评估 "性别=1" 的条件。如果条件为真(即性别确实是1),那么 "男" 会被返回。如果条件为假(即性别不是1),则执行 "else" 分支,返回 "女"。在 "end=...
select substr(xoq.item,2,5) model from xwp_out_quantity xoq where xoq.vendor='&s_vendor' and (case when xoq.vendor='220010' then substr(xoq.item,2,1) else null end)=9 or (case when xoq.vendor
sum(case whento_char(subscribe_time,'dd')='29' thensubscribe_numelse 0 end), sum(case whento_char(subscribe_time,'dd')='30' thensubscribe_numelse 0 end), sum(case whento_char(subscribe_time,'dd')='31' thensubscribe_numelse 0 end) fromtemp_card_service_subscribe whereto_char(subsc...