how to duplicate file

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MySQL method for deleting duplicate record statements

For example:ID Name Value1 a pp2 a PP3 B III4 B pp5 B pp6 C pp7 C pp8 C IIIID is primary keyAsk for such a resultID Name Value1 a pp3 B III4 B pp6 C pp8 C IIIMethod 1Delete yourtablewhere [id] not in (Select MAX ([id]) from yourtableGroup BY (name +

How to delete duplicate record statements in mysql

Although the SQL statements for querying and deleting duplicate records are messy, the content is still good. Although the SQL statements for querying and deleting duplicate records are messy, the content is still good. For example: Id name value 1

How to remove duplicate record statements in mysql

How does mysql Delete duplicate record statements ?? For example, idnamevalue1app2app3biii4bpp5bpp6cpp7cpp8ciiiid is the primary key required to obtain this result idnamevalue1app3biii4bpp6cpp8ciii method 1 deleteYourTable How does mysql Delete

How to delete duplicate record statements in mysql

For example:Id name value1 a pp2 a pp3 B iii4 B pp5 B pp6 c pp7 c pp8 c iiiId is the primary keyThis result is required.Id name value1 a pp3 B iii4 B pp6 c pp8 c iiiMethod 1Delete YourTableWhere [id] not in (Select max ([id]) from YourTableGroup by (

How to delete duplicate records using SQL statements

Original post address: http://www.cnblogs.com/phpliu/archive/2010/06/21/1761726.html For example:ID name value1 A PP2 A PP3 B III4 B PP5 B PP6 c pp7 c pp8 C IIIID is the primary keyThis result is required.ID name value1 A PP3 B III4 B PP6 c pp8 C

How to delete duplicate record statements in MySQL

For example: ID name value 1 A PP 2 A PP 3 B III 4 B PP 5 B PP 6 c pp 7 c pp 8 C III ID is the primary key This result is required. ID name value 1 A PP 3 B III 4 B PP 6 c pp 8 C III Method 1 Delete yourtable Where [ID] Not in ( Select max ([ID])

Mysql method for deleting duplicate record statements _ MySQL

For example: Id name value 1 a pp 2 a pp 3 B iii 4 B pp 5 B pp 6 c pp 7 c pp 8 c iii Id is the primary key This result is required. Id name value 1 a pp 3 B iii 4 B pp 6 c pp 8 c iii Method 1 Delete YourTable Where [id] not in ( Select max ([id])

DupeGuru-find and remove duplicate files directly from the hard disk

DupeGuru-find and remove duplicate files directly from the hard diskIntroduction For us, disk installation is a tough issue. No matter how careful we are, we may always copy the same file to multiple different places or download the same file

Data deduplication 2---Research on high performance duplicate data detection and deletion technology some fragmentary knowledge

research on high performance data deduplication and detection and deletion technologyHere are some fragmentary data about the re-deletion of things, previously summarized, put on can communicate with you.The explosion of 1 data volumes brings new

To replicate a database using duplicate in Rman

Target Library and Replication library environment:os:linux Red Hat as 4DB version:10.2.0.11. Target Library and replication library informationThe target database in Rman refers to the library being replicated, and the copy library (duplicate

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