MySQL Tutorial

A database system used with PHP.

Chapter Quiz Exercises
Course Topics
MySQL Intro MySQL SELECT MySQL SELECT DISTINCT MySQL WHERE MySQL ORDER BY MySQL AND, OR, NOT MySQL INSERT INTO MySQL NULL Values MySQL UPDATE MySQL DELETE MySQL LIMIT MySQL MIN() and MAX() MySQL COUNT(), AVG(), SUM() MySQL LIKE MySQL IN MySQL BETWEEN MySQL Aliases MySQL INNER JOIN MySQL LEFT JOIN MySQL RIGHT JOIN MySQL GROUP BY MySQL HAVING MySQL Create DB MySQL Drop DB MySQL Create Table MySQL Drop Table MySQL Alter Table MySQL Constraints MySQL Auto Increment MySQL Views

MySQL Alter Table

MySQL ALTER TABLE Statement

The ALTER TABLE statement is used to add, delete, or modify columns in an existing table.

The ALTER TABLE statement is also used to add and drop various constraints on an existing table.

Syntax (Add Column):

ALTER TABLE table_name
ADD column_name datatype;

Try It Yourself

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Source Code
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Topics
MySQL Intro MySQL SELECT MySQL SELECT DISTINCT MySQL WHERE MySQL ORDER BY MySQL AND, OR, NOT MySQL INSERT INTO MySQL NULL Values MySQL UPDATE MySQL DELETE MySQL LIMIT MySQL MIN() and MAX() MySQL COUNT(), AVG(), SUM() MySQL LIKE MySQL IN MySQL BETWEEN MySQL Aliases MySQL INNER JOIN MySQL LEFT JOIN MySQL RIGHT JOIN MySQL GROUP BY MySQL HAVING MySQL Create DB MySQL Drop DB MySQL Create Table MySQL Drop Table MySQL Alter Table MySQL Constraints MySQL Auto Increment MySQL Views