12.6.183. ALTER TABLE ::=
- (( 仮想 )?VIEW <identifier>)|( FOREIGN )?TABLE <identifier>)( AS <query expression>)| <ADD column> | <ADD constraint> | <alter options list> | <DROP column> |( ALTER COLUMN <alter column options> )|( RENAME Table> |( COLUMN <rename column options>)))
データベースのオプションの変更
例:
ALTER TABLE foo ADD COLUMN x xml
ALTER TABLE foo ADD COLUMN x xml