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Alter table mysql

Alter table add column

ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;

13

Mysql add column

ALTER TABLE table_name
ADD [COLUMN] column_name column_definition [FIRST|AFTER existing_column];

11

Source: mysqltutorial.org

Add new column to the table mysql

ALTER TABLE `TABLE_NAME` 
	ADD `COLUMN_NAME` VARCHAR(50) NULL
    AFTER `COLUMN_NAME_AFTER`;

10

Mysql alter table add column

ALTER TABLE table
  ADD [COLUMN] column_name column_definition
  [FIRST|AFTER existing_column];

3

Source: mysqltutorial.org

Alter table query in mysql

ALTER TABLE `employees`CHANGE `emp_id` `emp_id` int(11) NULL;

1

Alter table mysql

ALTER TABLE contacts
  ADD last_name varchar(40) NOT NULL
    AFTER contact_id,
  ADD first_name varchar(35) NULL
    AFTER last_name;

0

Source: techonthenet.com

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