mysql update column type code example
Example 1: alter table column change data type to text mysql
ALTER TABLE tablename MODIFY columnname INTEGER;
Example 2: add new column to the table mysql
ALTER TABLE `TABLE_NAME`
ADD `COLUMN_NAME` VARCHAR(50) NULL
AFTER `COLUMN_NAME_AFTER`;
Example 3: change data type in mysql
ALTER TABLE table_name
CHANGE COLUMN column_name column_name datatype;