sql - 检查oracle表是否为空

Question

IF((SELECT COUNT(*) FROM IPA_PRCADJ_HDR WHERE TRM_CODE = 41) = 0)
THEN
  select '111111' from dual;
ELSE
 SELECT '0000000' FROM DUAL;
END IF;

显示错误..

命令中从第 73 行开始出错:

END IF
ERROR REPORT:
Unknown Command

Answer 1

你不能创造这样的条件。尝试在 select 语句中构建它们，如下所示:

select case
       when exists
            ( select 1
              from   IPA_PRCADJ_HDR
              where  TRM_CODE = 41
            )
       then '111111'
       else '0000000'
       end
from   dual