Beefy Boxes and Bandwidth Generously Provided by pair Networks
No such thing as a small change

Re: Tree Structure and Db

by sharkey (Scribe)
on Jul 06, 2005 at 02:08 UTC ( #472660=note: print w/ replies, xml ) Need Help??

in reply to Tree Structure and Db

This probably won't help you, but...

If you happen to be using Oracle or DB2, those databases have SQL extensions to do tree structured queries, based on a table like you describe.

The syntaxes are radically different, so your best bet is to look it up in your database documentation. For Oracle the keyword is "CONNECT BY", and for DB2 the keyword is "WITH".

Here's a nice overview:

Comment on Re: Tree Structure and Db
Replies are listed 'Best First'.
Re^2: Tree Structure and Db
by hartwig (Sexton) on Jul 07, 2005 at 11:21 UTC
    CONNECT BY is not working very well in oracle 9.2 - in oracle 8.X its OK. This is a bug in oracle 9.2 (also admited by oracle ;)) -
    What kind of DB are you using?
    Best regards
      I use MySQL 4.x

Log In?

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://472660]
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others chanting in the Monastery: (6)
As of 2016-04-30 21:47 GMT
Find Nodes?
    Voting Booth?
    :nehw tseb si esrever ni gnitirW

    Results (441 votes). Check out past polls.