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Articles related to alter database

Data Definition Language - Create, Use, Alter, Drop - Databases
The Data Definition Language (DDL) is used to create and destroy databases and database objects. These commands will primarily be used by database ...
Access Controls in SQL - Granting Permissions
These can be either table-level permissions (such as SELECT, INSERT, UPDATE and DELETE) or database permissions (such as CREATE TABLE, ALTER ...
What is SQL? Introduction to the Structured Query Language
Whenever you interact with such a database, the software translates your ... ( CREATE TABLE ), modify the structure of a database table (ALTER TABLE), and  ...
Change a Column Name in MySQL - PHP/MySQL - About.com
How to change the name of a column in a MySQL database. ... You rename a column in MySQL using alter table and change. Let's say our column is currently  ...
Drop Column Command in MySQL Database
Nov 15, 2006 ... You can remove an entire column from a MySQL database by using the ... A Quick Guide to Using "Alter Table" Commands in MySQL · How to ...
Alter Table in MySQL Command Examples - PHP/MySQL - About.com
How to use the MySQL alter table command, and what to combine it with to do different things to your database.
SQL Drop Column Command - PHP/ MySQL
alter table icecream drop column flavor; ... A Quick Guide to Using "Alter Table" Commands in MySQL · How to Rename a Column in a MYSQL Database · How ...
Adding a Column in MySQL With the Add Column Command
It is written as alter table add column [new column name] [type]; ... a Column in a MYSQL Database · How to change the size of a MySQL column.
Modifying Tables - Databases - About.com
We can use the ALTER TABLE command to add this attribute to our existing database. We want to store the salary as an integer value. The syntax is quite similar ...
Creating NOT NULL Constraints in Microsoft SQL Server - Databases
When you create a new NOT NULL constraint on a database column, SQL ... on an existing table, you may use the ALTER TABLE statement, as illustrated below  ...
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