title: Teradata Alter Table Command to Modify existing column data type from varchar to char with same length
body: <p>Within Teradata, when executing an ALTER TABLE command to modify the data type for an existing column from VARCHAR(10) to CHAR(10), I receive a 3558 error indicating that the specified attribute can not be altered. Is there an alternate method of coding this to achieve the desired objective or does the column need to be dropped and re-created in order to change the data type?</p>