Support Forums: Message List - Sun renews its commitment to JDO with version 2.0 http://www.theserverside.com Most recent forum messages en Jive Forums Silver 5.5.30 (www.jivesoftware.com) Sat, 18 May 2013 19:26:01 -0400 JDO != Lowest Common Denomenator http://www.theserverside.com/discussions/thread.tss?thread_id=25460 It is usually much (!) more important that the persistence tool makes all features and optimizations of the database accessible in an easy manner, instead of offering a least common...]]> Mon, 26 Apr 2004 12:20:29 -0400 Mon, 26 Apr 2004 12:20:29 -0400 Mon, 26 Apr 2004 12:20:29 -0400 Apr 26, 2004 Robin Roos 0 jdo is great! http://www.theserverside.com/discussions/thread.tss?thread_id=25460 And if you want to take a look into it, you can read Robin Roos book for free as pdf.As Simon says, my book Java Data Objects is available in full as a downloadable PDF. Of course I hope that some of you will choose to buy the...]]> Mon, 26 Apr 2004 11:44:37 -0400 Mon, 26 Apr 2004 11:44:37 -0400 Mon, 26 Apr 2004 11:44:37 -0400 Apr 26, 2004 Robin Roos 0 Diffrent API levels are intented to cooperate, not to fight http://www.theserverside.com/discussions/thread.tss?thread_id=25460 Sun, 25 Apr 2004 13:54:15 -0400 Sun, 25 Apr 2004 13:54:15 -0400 Sun, 25 Apr 2004 13:54:15 -0400 Apr 25, 2004 Jerome Beau 0 Offline optimistic locking pattern http://www.theserverside.com/discussions/thread.tss?thread_id=25460 Let x is some data block and asume read(x)/write(x) are atomic ( guaranteed by hardware). Sequences of primityve operations are atomic and isolated for concurent execution (guaranteed by DB...]]> Sat, 24 Apr 2004 06:17:55 -0400 Sat, 24 Apr 2004 06:17:55 -0400 Sat, 24 Apr 2004 06:17:55 -0400 Apr 24, 2004 Juozas Baliuka 0 Offline optimistic locking pattern http://www.theserverside.com/discussions/thread.tss?thread_id=25460 Sat, 24 Apr 2004 03:23:09 -0400 Sat, 24 Apr 2004 03:23:09 -0400 Sat, 24 Apr 2004 03:23:09 -0400 Apr 24, 2004 Joe Cheng 1 Offline optimistic locking pattern http://www.theserverside.com/discussions/thread.tss?thread_id=25460 This is not quite the same as a full-fledged optimistic transaction, since it does not necessarily share all the other characteristics of a transaction (in particular, since the offline optimistic lock spans multiple database connections,...]]> Sat, 24 Apr 2004 02:55:09 -0400 Sat, 24 Apr 2004 02:55:09 -0400 Sat, 24 Apr 2004 02:55:09 -0400 Apr 24, 2004 Juozas Baliuka 2 flexibility vs. specialization http://www.theserverside.com/discussions/thread.tss?thread_id=25460
It is usually much (!) more important that the persistence tool makes all features and optimizations of the database accessible in an easy manner, instead of offering a least common denimator API.
Relational JDO...]]> Fri, 23 Apr 2004 23:40:30 -0400 Fri, 23 Apr 2004 23:40:30 -0400 Fri, 23 Apr 2004 23:40:30 -0400 Apr 23, 2004 Colin Sampaleanu 0 jdo is great! http://www.theserverside.com/discussions/thread.tss?thread_id=25460 I've tryed jdogenie(love the rmi support), kodo and lido so far and there is things I like about them all. And if you want to take a look into it, you can read Robin...]]> Fri, 23 Apr 2004 19:57:58 -0400 Fri, 23 Apr 2004 19:57:58 -0400 Fri, 23 Apr 2004 19:57:58 -0400 Apr 23, 2004 simon says 1 yikes http://www.theserverside.com/discussions/thread.tss?thread_id=25460 Fri, 23 Apr 2004 15:58:43 -0400 Fri, 23 Apr 2004 15:58:43 -0400 Fri, 23 Apr 2004 15:58:43 -0400 Apr 23, 2004 nextdb 0 flexibility vs. specialization http://www.theserverside.com/discussions/thread.tss?thread_id=25460 It is usually much (!) more important that the persistence tool makes all features and optimizations of the database accessible in an easy manner, instead of offering a least common denimator API. Relational JDO vendors all...]]> Fri, 23 Apr 2004 15:12:09 -0400 Fri, 23 Apr 2004 15:12:09 -0400 Fri, 23 Apr 2004 15:12:09 -0400 Apr 23, 2004 Abe White 1 JDO performance http://www.theserverside.com/discussions/thread.tss?thread_id=25460
Gary]]> Fri, 23 Apr 2004 13:18:44 -0400 Fri, 23 Apr 2004 13:18:44 -0400 Fri, 23 Apr 2004 13:18:44 -0400 Apr 23, 2004 Gary Struthers 0 flexibility vs. specialization http://www.theserverside.com/discussions/thread.tss?thread_id=25460 ... for organizations which must have a get-out clause in case they find JDOQL can't actually do that one special query that the DBA has written, JDO 2.0 standardizes the way to access a SQL connection which is enlisted into the current...]]> Fri, 23 Apr 2004 09:57:39 -0400 Fri, 23 Apr 2004 09:57:39 -0400 Fri, 23 Apr 2004 09:57:39 -0400 Apr 23, 2004 rory Winston 0 flexibility vs. specialization http://www.theserverside.com/discussions/thread.tss?thread_id=25460
You claim that "JDOQL is doomed until it supports all the capabilities of SQL". Have you looked at any of the published material about JDOQL in JDO 2.0? The query language has evolved significantly....]]> Fri, 23 Apr 2004 09:29:29 -0400 Fri, 23 Apr 2004 09:29:29 -0400 Fri, 23 Apr 2004 09:29:29 -0400 Apr 23, 2004 Robin Roos 1 Sun renews its commitment to JDO with version 2.0 http://www.theserverside.com/discussions/thread.tss?thread_id=25460 Fri, 23 Apr 2004 06:25:50 -0400 Fri, 23 Apr 2004 06:25:50 -0400 Fri, 23 Apr 2004 06:25:50 -0400 Apr 23, 2004 Andy Grove 0 flexibility vs. specialization http://www.theserverside.com/discussions/thread.tss?thread_id=25460 Second, because JDO is much more flexible than Hibernate.I'm not trying to degrade Hibernate in any way. Hibernate is great for what it is: *relational* persistence for Java objects. But JDO is much more; it can target any back end. Kodo...]]> Fri, 23 Apr 2004 04:58:15 -0400 Fri, 23 Apr 2004 04:58:15 -0400 Fri, 23 Apr 2004 04:58:15 -0400 Apr 23, 2004 Christian Sell 6