mysql change data type of column code example

Example 1: alter table column change data type to text mysql

ALTER TABLE tablename MODIFY columnname INTEGER;

Example 2: alter table add column

ALTER TABLE table
ADD COLUMN column VARCHAR (255) NOT NULL AFTER column;

Example 3: alter table add column

ALTER TABLE table_name 
ADD column_name datatype;

Example 4: change data type in mysql

ALTER TABLE table_name

CHANGE COLUMN column_name column_name datatype;

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