[SQL] autoincrement

How can I reproduce in PostgreSQL type structure from MySQL: INT NOT NULL PRIMARY KEY AUTO_INCREMENT ? To be more exact -- in two words: "how can I create autoincrement field?" Thanks a lot. -- green [http://www.extrasy.net] --

[SQL] [LONGINT] Problem

Hi, Guys, I am new to PostgreSQL -- (I am migrating from MySQL), so I have some, may be "stupid", but still interesting questions. Interesting for me. :-) In MySQL there was type called INT UNSIGNED, where I used to keep values from 1 to 4