Sometimes we need to drop a column that we don't need further from the table. We can do this by using DROP keyword with ALTER command. Syntax: To drop/delete the column from a table, use the following ...

alter command is Data Definition Language (DDL) Alter is used to add, delete, or modify columns in an existin table. The ALTER TABLE statement is also used to add and drop various constraints on an ...

MySQL OSC is a tool for making changes to large databases ... The package makes an empty copy of your original table, and runs the give alter statement against that table. It then uses MySQLs SELECT ...