The ALTER TABLE command syntax contains the words ALTER TABLE followed by:

1. Schema name, which, if used, should be separated from the sequence name by a period.

2. Table name, which can be defined with or without the schema name before it.

3. And optionally can use one or more of the following:

   - ADD

   - DROP

   - ATTACH JAVA

   - ENABLEALLTRIGGERS or DISABLEALLTRIGGERS

   - MODIFY

4. End statement with a semicolon.