How to change VARCHAR type to DATETIME using ALTER in MySQL?
alter-table, datetime, mysql, sql-update, varchar
Solution
ALTER TABLE <tblName> MODIFY <columnName> dataType constraint;
For your requirement it will be
ALTER TABLE <tblName> MODIFY <columnName> datetime;
Refer http://dev.mysql.com/doc/refman/5.1/en/alter-table.html
Problem
How can I change `VARCHAR()` type to `DATETIME` using `ALTER` in MySQL?