使用Redis聚合函数提升效率 Redis是一款高性能的NoSQL数据库，常用于数据缓存和持久化。在实际应用中，经常需要对缓存数据进行批量操作，如计算平均值、求最……

文档解释 ORA-41692: unsupported aggregate operator in the having/compute clause: string Cause: An attempt was made to use an unsupported aggregate o……

文档解释 ORA-41697: attribute prefix missing in aggregate specification: string Cause: An attempt was made to specify an aggregate predicate across ……

文档解释 ORA-56902: expect aggregate function inside pivot operation Cause: Attempted to use non-aggregate expression inside pivot operation. Action……

文档解释 ORA-46101: Circular definition for aggregate privilege string in security class string Cause: Definition of an aggregate privilege containe……

文档解释 ORA-19171: FORG0007: invalid argument to aggregate function Cause: An error occurred during the processing of the XQuery expression. Action……

文档解释 Error number: 3029; Symbol: ER_AGGREGATE_ORDER_NON_AGG_QUERY; SQLSTATE: HY000 Message: Expression #%u of ORDER BY contains aggregate functi……

文档解释 Error number: 3066; Symbol: ER_AGGREGATE_IN_ORDER_NOT_SELECT; SQLSTATE: HY000 Message: Expression #%u of ORDER BY clause is not in SELECT l……

文档解释 ORA-41710: invalid use of aggregate operator for a noncollection event Cause: An attempt was made to specify an aggregate operator on an ev……

文档解释 ORA-41699: maximum number of aggregate operations per rule condition exceeded Cause: An attempt was made to specify more than 5 aggregate o……