mysql alter table change column type code example

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

ALTER TABLE tablename MODIFY columnname INTEGER;

Example 2: sql add column

ALTER TABLE Customers
ADD Email varchar(255);

Example 3: how to alter table column name in mysql

ALTER TABLE your_table_name RENAME COLUMN original_column_name TO new_column_name;

Example 4: sql server alter column

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);

Example 5: alter table add column

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

Example 6: change data type in mysql

ALTER TABLE table_name

CHANGE COLUMN column_name column_name datatype;