Sql 在中执行定义的变量时出现透视错误
有人能告诉我为什么我这样做时会收到“无效参数数”消息吗：Sql 在中执行定义的变量时出现透视错误,sql,oracle,pivot,oracle-sqldeveloper,Sql,Oracle,Pivot,Oracle Sqldeveloper,有人能告诉我为什么我这样做时会收到“无效参数数”消息吗： define mb1= ADD_MONTHS(TRUNC(SYSDATE,'MM')-1); select * from (select COLLECTOR ,Month ,low_activity_days from dwh_prod.low_activity_days_collect_t) src pivot ( sum(low_activity_days) for month in (&mb1) ) piv; 谢谢大家!
define mb1= ADD_MONTHS(TRUNC(SYSDATE,'MM')-1);
select *
from
(select COLLECTOR
,Month
,low_activity_days
from dwh_prod.low_activity_days_collect_t) src
pivot
(
sum(low_activity_days)
for month in (&mb1)
) piv;
define mb1= ADD_MONTHS(TRUNC(SYSDATE,'MM'), -1);