On Mon, Nov 08, 2004 at 03:36:26PM -0700, David Bear wrote: > I've looked in the archives searching on oid and 'access' (microsoft) > to see how others have handled migration from data bases in ms-access > to postgresql. MS access has an auto-inc field that is used frequently > as a uniq id. Seems the OID has the same function. Yet, I've seem > parts of messages that say not to use the OID in that manner, but > nothing seems 'definitive'.
The PostgreSQL documentation recommends against using OIDs as primary keys: http://www.postgresql.org/docs/7.4/static/datatype-oid.html > Can I use an OID as a foreign key in another table? > > If not, what is the prefered method for replicating the auto-inc field > that ms-access users are so fond of... a 'sequence'? Yes, usually by creating a field of type SERIAL: http://www.postgresql.org/docs/7.4/static/datatype.html#DATATYPE-SERIAL -- Michael Fuhr http://www.fuhr.org/~mfuhr/ ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])
