Re: performance question

2007-03-23 Thread Armin Waibel
Hi Björn, [EMAIL PROTECTED] wrote: hi there, assuming we need multiple lists of objects from the db. which of the following solutions do perform better? 1) 1 db call using the ojb collection descriptor with retrieve = true (multiple joins) i heard about performance issues with too many joins

performance question

2007-03-23 Thread [EMAIL PROTECTED]
hi there, assuming we need multiple lists of objects from the db. which of the following solutions do perform better? 1) 1 db call using the ojb collection descriptor with retrieve = true (multiple joins) i heard about performance issues with too many joins ... 2) multiple db calls in 1 transac