Sql server 当一行连接到另一个表时,如何删除重复行
我需要删除表中出现的重复项,但是我不知道如何做 其中一个重复项通过ID链接到另一个表。我想保留此记录并删除所有具有相同值的其他记录 主表:ZasobCRM 第二张表:ZasobCRM_Raw 数据按读取器发送到表的时间:ZasobCRM_Raw。然后,基于同一天的两个条目,在表中为同一名员工创建一个条目:ZasobCRM 一个有效的例子:Sql server 当一行连接到另一个表时,如何删除重复行,sql-server,sql-delete,Sql Server,Sql Delete,我需要删除表中出现的重复项,但是我不知道如何做 其中一个重复项通过ID链接到另一个表。我想保留此记录并删除所有具有相同值的其他记录 主表:ZasobCRM 第二张表:ZasobCRM_Raw 数据按读取器发送到表的时间:ZasobCRM_Raw。然后,基于同一天的两个条目,在表中为同一名员工创建一个条目:ZasobCRM 一个有效的例子: select * from ZasobCRM_Raw where ZasobCRM_ID = 20490 select * from ZasobCRM whe
select * from ZasobCRM_Raw where ZasobCRM_ID = 20490
select * from ZasobCRM where ID = 20490
结果:
ID DataIMPORT DataUTWORZENIA string_1 string_2 string_3 string_4 Status ZasobCRM_ID Exception
45883 2019-10-01 17:08:18.000 2019-08-01 05:57:54.000 0025 6531487 010819055634 0 WCZYTANE 20490
45893 2019-10-01 17:08:18.000 2019-08-01 06:57:55.000 0025 6531487 010819065321 0 WCZYTANE 20490
ID Zad_Guid Operator_ID Rozpoczecie Zakonczenie Nazwa
20490 c2db3bf6-6156-4dba-b802-b4064f99d7ca 2181 2019-08-01 05:56:34.000 2019-08-01 06:53:21.000 Arkadiusz Kowalczyk
ID DataIMPORT DataUTWORZENIA string_1 string_2 string_3 string_4 Status ZasobCRM_ID Exception
58020 2019-11-07 09:22:31.000 2019-10-29 05:56:38.000 0044 6531592 291019055548 0 WCZYTANE 25143
ID Zad_Guid Operator_ID Rozpoczecie Zakonczenie Nazwa
24596 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24610 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24627 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24641 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24658 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24672 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24694 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24708 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24725 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24740 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24757 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24771 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24788 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24802 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24819 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24833 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24850 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24864 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24881 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24895 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24912 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24926 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24943 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24957 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24974 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24988 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25005 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25019 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25036 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25050 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25067 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25081 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25098 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25112 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25129 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25143 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
重复的示例无效:
select * from ZasobCRM_Raw where string_1 = '0044' and string_3 like '%29101905%' order by string_3
select * from ZasobCRM where Rozpoczecie = '2019-10-29 05:55:48.000' order by ID
结果:
ID DataIMPORT DataUTWORZENIA string_1 string_2 string_3 string_4 Status ZasobCRM_ID Exception
45883 2019-10-01 17:08:18.000 2019-08-01 05:57:54.000 0025 6531487 010819055634 0 WCZYTANE 20490
45893 2019-10-01 17:08:18.000 2019-08-01 06:57:55.000 0025 6531487 010819065321 0 WCZYTANE 20490
ID Zad_Guid Operator_ID Rozpoczecie Zakonczenie Nazwa
20490 c2db3bf6-6156-4dba-b802-b4064f99d7ca 2181 2019-08-01 05:56:34.000 2019-08-01 06:53:21.000 Arkadiusz Kowalczyk
ID DataIMPORT DataUTWORZENIA string_1 string_2 string_3 string_4 Status ZasobCRM_ID Exception
58020 2019-11-07 09:22:31.000 2019-10-29 05:56:38.000 0044 6531592 291019055548 0 WCZYTANE 25143
ID Zad_Guid Operator_ID Rozpoczecie Zakonczenie Nazwa
24596 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24610 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24627 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24641 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24658 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24672 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24694 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24708 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24725 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24740 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24757 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24771 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24788 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24802 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24819 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24833 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24850 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24864 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24881 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24895 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24912 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24926 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24943 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24957 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24974 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
24988 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25005 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25019 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25036 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25050 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25067 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25081 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25098 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25112 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25129 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
25143 0163c7af-16ef-4289-8a6c-e4d47c3e8dbe 2199 2019-10-29 05:55:48.000 2019-10-29 11:45:16.000 Ewa Domin
在上一个示例中,我没有给出表中的第二行:zasobscrm_Raw,因为这无关紧要。
从上一个示例中,删除后,我应该只有ID为25143的行
我可以通过查询找到这些副本:
SELECT
Zad_Guid, Operator_ID, Rozpoczecie, Zakonczenie, Nazwa, COUNT(*)
FROM
ZasobCRM as ZCRM
GROUP BY
Zad_Guid, Operator_ID, Rozpoczecie, Zakonczenie, Nazwa
HAVING
COUNT(*) > 1
我的查询没有显示这些重复行中哪些与另一个表关联 我不知道如何根据它删除它们 编辑:
成功了 您只需在Delete命令中创建一个子查询即可 删去 从…起 选择中的Zad_Guid所在位置 扎杜吉德 从…起 ZasobCRM作为ZCRM 分组 Zad_Guid,操作员ID,Rozpoczecie,Zakonczenie,Nazwa 有 计数*>1 注意:请确保在执行Delete命令之前进行备份
我的查询没有显示这些重复行中哪些与另一个表关联。如果这可以添加到这个查询中,那么它可能会与您的想法一起工作