mysql add column

ALTER TABLE Table_name
ADD Email varchar(255);

ALTER TABLE Table_name ADD name_column INT(255);

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

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

ALTER TABLE vendors ADD COLUMN phone VARCHAR(15) AFTER name;

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

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

ALTER TABLE table
ADD [COLUMN] column_name_1 column_1_definition [FIRST|AFTER existing_column],
ADD [COLUMN] column_name_2 column_2_definition [FIRST|AFTER existing_column],
...
;