📜 select count distinct multiple columns sql server - SQL 代码示例
📅 最后修改于: 2022-03-11 15:04:52.629000 🧑 作者: Mango
代码示例1
SELECT COUNT(DISTINCT (CHECKSUM(DocumentId,DocumentSessionId)) + CHECKSUM(REVERSE(DocumentId),REVERSE(DocumentSessionId)) )
FROM DocumentOutPutItems