Answers for "mysql update column type"

alter table column change data type to text mysql

ALTER TABLE tablename MODIFY columnname INTEGER;

add new column to the table mysql

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

mysql change data type of column

ALTER TABLE tablename MODIFY columnname DATATYPE;

change data type in mysql

ALTER TABLE table_name

CHANGE COLUMN column_name column_name datatype;