mysql add a colum to a table code example
Example 1: add column in mysq
ALTER TABLE Table_name
ADD Email varchar(255);
Example 2: mysql add columns
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],
...
;