insert on duplicate key update mysql example

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MySQL avoids duplicate Insert recording method (Ignore,replace,on DUPLICATE KEY UPDATE)

This article refers to the link: http://blog.csdn.net/jbboy/article/details/46828917"I think the article is more suitable for learning and reference, it is worth a look"This article to provide you with three kinds of in MySQL to avoid repeated

MySQL avoids duplicate Insert recording method (Ignore,replace,on DUPLICATE KEY UPDATE)

This article to provide you with three kinds of in MySQL to avoid repeated insertion record method, mainly refers to the Ignore,replace,on DUPLICATE key update three methods, you can try to reference.Case one: Using the Ignore keywordIf the

Several things about MySQL insert (delayed,ignore,on DUPLICATE KEY UPDATE) _mysql

Insert Syntax INSERT [Low_priority | Delayed | High_priority] [IGNORE] [Into] tbl_name [(Col_name,...)] VALUES ({expr | DEFAULT},...), (...),... [on DUPLICATE KEY UPDATE col_name=expr, ...] Or: INSERT [Low_priority | Delayed | High_priority]

MySQL avoids duplicate Insert recording method (Ignore,replace,on DUPLICATE KEY UPDATE)

This article to provide you with three kinds of in MySQL to avoid repeated insertion record method, mainly refers to the Ignore,replace,on DUPLICATE key update three methods, you can try to reference.Case one: Using the Ignore keywordIf the

[Switch] if the primary key conflict occurs, update it. Otherwise, insert (on duplicate key update)

MySQL "on duplicate key update" SyntaxIf the on duplicate key update is specified at the end of the insert statement and the duplicate value appears in a unique index or primary key after the row is inserted, update is executed on the row with the

MySQL Insert syntax considerations (on DUPLICATE KEY UPDATE)

MySQL Insert syntax considerations (on DUPLICATE KEY UPDATE) INSERT Grammar INSERT [Low_priority | DELAYED | High_priority] [IGNORE][Into] tbl_name [(Col_name,...)]VALUES ({expr | DEFAULT},...), (...),...[on DUPLICATE KEY UPDATE col_

MySQL on DUPLICATE KEY update repeated insert update

MySQL Update method when inserting duplicates:The first method:Example one: inserting multiple recordsSuppose you have a clients table with a primary key of client_id, you can use the following statement:INSERT into clients

"Go" MySQL replace into with INSERT into on duplicate key update real difference

Original link: http://www.jb51.net/article/47090.htm Today listen to colleagues about Oracle to MySQL data migration, he used insert into ... on duplicate key Update ..., I was thinking how not to replace it, so I came back to look carefully, they

Mysql inserts and updates on DUPLICATE key update for batch update

On DUPLICATE key update batch updateMysql has a batch update method, while mssql does not use this command. mysql can use this method for batch update. More powerful: If the parameter already exists, it is updated, if this parameter is not found in

MySQL avoids duplicate Insert recording method (Ignore,replace,on duplicate key update,not exist)

The following statements may be used when inserting data into a condition in MySQL, summary. Let's start by building a simple table for testing:CREATE TABLE ' Books ' (' ID ' INT (one) not NULL auto_increment,' Name ' VARCHAR ($) Not NULL,PRIMARY

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