Most mysql on duplicate key related news are at:
More mysql on duplicate key related news:
MySQL Duplicate Function masseltech.com 10 Jul 2010 | 05:13 am
Sometimes you want the ability to duplicate (clone) entities in mySQL. But duplicating their children can be a huge pain! Here’s how: /* parent table */ insert into [parent table] select 0, [field1...
MySQL 的 max key length joehorn.idv.tw 2 Mar 2012 | 07:18 am
我曾試著在 MYISAM 格式的 table 裡，把兩個 VARCHAR(255)，UTF8 編碼的欄位設定成一組 UNIQUE KEY。 當時遇到這個 Error： #1071 - Specified key was too long; max key length is 1000 bytes VARCHAR(255) 代表該欄位可以紀錄 255 個字元，每個字元以 UTF8 encode...
phpcms4更新URL、更新全站索引失败 yuan.sc.cn 1 Jul 2010 | 01:30 pm
PHPCMS 升级SP1更新URL出现MySQL Errno:126 错误 MySQL Query : Select `searchid` FROM `phpcms_search` Where `searchid`= Win2000/WinXP/Win2003' Where `searchid`='4492' MySQL Error : Incorrect key file for tabl...
Urgent opening for MySql DBA gujuchaps.blogspot.com 10 Jan 2012 | 08:46 am
Urgent Opening for Database Administrator Dear Candidates, We have following opening for our company: Position: Mysql Database Administrator Key Skills: Mysql database, Linux OS Experience: Minim...
MySQL find duplicate repords example mysql-tips.blogspot.com 17 Apr 2005 | 10:49 pm
select address, count(address) as cnt from mailing_list group by address having cnt > 1 order by cnt;
Advantages of Duplicate Keys and High Security Locks in Florida sumterlocksmith.com 2 Jun 2012 | 07:08 pm
Locksmith in FL will give you a great service for Orlando Locksmith installation, duplicate keys, mortise lock, high security locks that assist in protecting your home as well as office property. You ...
ActiveRecord::StatementInvalid Mysql::Error: Duplicate entry in Ruby on Rails paulsturgess.co.uk 30 Nov -0001 | 12:00 am
Sometimes users like to double click, sometimes requests just happen very, very, very close together. This can mean that Rails isn't quick enough to use the validations you have setup in your models t...
Поведение INSERT… ON DUPLICATE KEY UPDATE в крайней ситуации myforce.ru 30 Oct 2012 | 12:00 am
Несколько недель назад, я работал над проблемой клиента, который столкнулся с падением производительности БД и даже ее отказами, которые происходили приблизительно каждые 4 недели. Ничего особенного в...
TIL: Easy UPSERTS in MySQL wynnnetherland.com 11 Jan 2013 | 05:00 am
I've long loved upserts in MongoDB, but I suppose my desire to keep my SQL vanilla for Rails caused me to overlook easy upserts in MySQL using ON DUPLICATE KEY UPDATE: If the INSERT would cause a dup...
JSON Array Single MySQL Insert and Update foscode.com 18 Dec 2012 | 07:47 am
This is another quick one. I wanted to insert a JSON array into MySQL with a single insert and, on duplicate key update. This is how you get it done: Say you have a JSON array like this: [{"num":"222...
