mysql insert columns code example

Example 1: add column in mysq

ALTER TABLE Table_name
ADD Email varchar(255);

Example 2: add column in mysq

ALTER TABLE Table_name ADD name_column INT(255);

Example 3: add new column to the table mysql

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