Re: Sequences as default values for a column

2011-07-14 Thread Ryan McFall
and using a table to simulate a sequence based on capabilities of the DB. Ryan From: Rick Hillegas rick.hille...@oracle.com Subject: Re: Sequences as default values for a column Hi Ryan, I don't know whether you have considered identity columns. Identity columns may give you what you need. See

Re: Sequences as default values for a column

2011-07-11 Thread Rick Hillegas
Hi Ryan, I don't know whether you have considered identity columns. Identity columns may give you what you need. See the Derby Reference Guide topics CREATE TABLE statement - column-definition - generated-column-spec. Right now, identity columns provide less concurrency than sequences do.

Sequences as default values for a column

2011-07-08 Thread Ryan McFall
From what I can see in the Derby documentation, it's not possible to specify the value of a sequence as the default value for a column. Is my reading of this correct? I've seen solutions online for Oracle, which also supports sequences, that suggest using a before insert trigger to modify the