See also:
- How to add a column to a database table
- How to rename a database column?
- How to change a column definition for a database table
- How to delete (drop) a column from a database table
- How to add an index to a database table
- How to delete (drop) an index from a database table
- How to add a foreign key to a database table
- How to delete (drop) a foreign key from a database table
- How to alter a database table