按照字段in_ordr_no查詢重復的列,統計數量 ...
查詢某個字段有重復的數據: select org id from oa food yy group by org id having count gt 查詢某些字段有重復的數據: select org id,food id from oa food yy group by org id,food id having count gt select from oa food yy where org ...
2019-05-30 17:15 0 974 推薦指數:
按照字段in_ordr_no查詢重復的列,統計數量 ...
1.情景展示 由上圖可知,APPUSERID字段和VIRTUAL_CARDID字段存在一對多的關系,如何將重復的APPUSERID字段的數據查詢出來呢? 2.原因分析 先查出重復的APPUSERID都有哪些,再根據重復的APPUSERID查詢該條數據記錄 ...
select card_no,count(*) from GM_PPU_RESIDENT_NORBASE where group by card_no having count( ...
第一種方法: select a.* from ASSET_MAINTAIN a inner join ASSET_MAINTAIN b on a.asset_id=b.asset_id and a ...
1、查找單個字段 select 字段名,count(*) from table group by 字段名 having count(*) > 1 2、查找組合字段: SELECT TEST_NAME1,TEST_NAME2,COUNT(*) FROM table ...
第一種方法: select a.* from ASSET_MAINTAIN a inner join ASSET_MAINTAIN b on a.asset_id=b.asset_id and a ...
oracle 根據時間字段查詢數據 ROWNUM 是對前面查詢的記錄做限制,比如查詢的記錄 > 2000 條,那么只取前面的 2000 條 ''' SELECT * FROM (SELECT CLXXBH, JGSK, CDBH, HPHM, HPYS, SBBH, KKMC ...