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More mysql alter column related news:
Alter table Change Data Type in SQL Server smsaxena.blogspot.in 21 May 2012 | 05:52 pm
Hi, Following are the few inportnat queries whih is needed when one need to alter table. 1. Alter table and change data type. alter table tbldelegates ALTER COLUMN de_lastname VARCHAR(50) 2. alter ...
How to: MySQL “created” column default value of NOW() crainbandy.com 20 Jan 2011 | 04:58 am
MySQL is gay in a lot of ways, but no more to me than the inability to use NOW() on a “created” column. So here’s what you do — Create 2 columns both of the TIMESTAMP data type: modified – on update C...
MySQL : Altering Huge Tables adminlinux.blogspot.com 7 Dec 2010 | 11:31 pm
You have a huge mysql table - maybe 100 GB. And you need to run alter on it - to either add an index, drop an index, add a column or drop a column. If you run the simple mysql "alter table" command, y...
MySQL – Alter table-change datatype of column with foreign key nitty-witty.com 24 Apr 2012 | 12:08 am
Schema alteration is a big headache especially when it has already reached to production and things get worse when the relations are involved. Below is a short example for altering...
Resolving ERROR 1075: Incorrect table definition; There can only be one auto column and it must be defined as a key mysql-tips.blogspot.com 17 Apr 2005 | 10:51 pm
mysql> alter table test add orig_order int unsigned auto_increment; ERROR 1075: Incorrect table definition; There can only be one auto column and it must be defined as a key mysql> alter table test ad...
MySQL tutorial Column Types part 2 dotnetbargains.gb.net 25 Jan 2012 | 05:59 pm
Column Types part 2 MySQL Text data type Text can be fixed length (char) or variable length strings. Also, text comparisions can be case sensitive or insensitive depending on the type you choose. CHAR...
MySQL database Column Types dotnetbargains.gb.net 25 Jan 2012 | 05:58 pm
MySQL database Column Types The three major types of column types used in MySQL are Integer Text Date Choosing a column data type is very important in order to achieve speed, effective storage and ret...
How to: MySQL “created” column default value of NOW() crainbandy.com 19 Jan 2011 | 11:58 pm
MySQL is gay in a lot of ways, but no more to me than the inability to use NOW() on a “created” column. So here’s what you do — Create 2 columns both of the TIMESTAMP data type: modified – on update C...
Twitter IDs approaching 64 bit happy-coding.com 31 Jan 2013 | 11:51 am
Oho, Twitters internal IDs are moving towards 64-bit integers. So remember to update your e.g. MySQL integer columns to BIGINT. via dev.twitter.com: This means that if you currently use signed 32-bit ...
DDL di MS SQL Server kadeksugi.info 23 Aug 2012 | 07:05 am
Menambah Kolom di Tabel Syntax: ALTER TABLE ADD Contoh: alter table it_user add office_code varchar(10) Mengubah Tipe Data Kolom di Tabel Syntax: ALTER TABLE ALTER COLUMN Contoh: alter tab...
