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Groups > comp.lang.java.programmer > #36025
| From | Jerry Stuckle <jstucklex@attglobal.net> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Scaling java app |
| Date | 2016-12-02 15:05 -0500 |
| Organization | A noiseless patient Spider |
| Message-ID | <o1sk3b$db5$1@jstuckle.eternal-september.org> (permalink) |
| References | (6 earlier) <af4ba7ad-4ba6-4a2f-b6dc-c4ffa9d4a992@googlegroups.com> <o1q5i3$ad6$1@jstuckle.eternal-september.org> <o1qogr$jvg$1@gioia.aioe.org> <o1s49a$fc6$1@jstuckle.eternal-september.org> <ph934ctn8bf70shvqb7csfk8vue4lho2hf@4ax.com> |
On 12/2/2016 11:53 AM, Gene Wirchenko wrote: > On Fri, 2 Dec 2016 10:35:36 -0500, Jerry Stuckle > <jstucklex@attglobal.net> wrote: > > [snip] > >> But is it compatible with the DECIMAL data type on databases? Can you >> *efficiently* read and write DECIMAL types to DB2, for instance? >> >> And exactly how does Java interface efficiently with databases like DB2? >> Java only has the equivalent of dynamic SQL, where every SQL statement >> must be interpreted by the database. Additionally, the connection to >> the database is relatively slow. >> >> COBOL has libraries which interface directly with the database, and, >> using DB2 as an example (only because it's the one I'm most familiar >> with), there is a preprocessor which interprets the SQL statements >> *once* at compile time, and stores the resulting access plan in the >> database. This saves significant time interpreting the SQL and building >> the access plan. > > If the situation changes (whatever this means) after the > compilation, the access plan could then be out of date. How would one > ever find out? I am curious about this aspect and how its > disadvantages are mitigated. > RUNSTATS updates the current statistics on the database, and REBIND rebinds all applications, creating new access plans for each. >> And don't try to claim performance isn't important any more. It may not >> be on YOUR system - but to people running large mainframes, it is still >> quite important. They have millions of dollars invested in the >> hardware, and want every bit of performance they can get out of their >> investment. > > Quite. How do they do it? > > Sincerely, > > Gene Wirchenko > By using compiled languages and efficient database connections. -- ================== Remove the "x" from my email address Jerry Stuckle jstucklex@attglobal.net ==================
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Scaling java app Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2016-11-21 11:06 -0600
Re: Scaling java app Martin Gregorie <martin@address-in-sig.invalid> - 2016-11-21 19:48 +0000
Re: Scaling java app Eric Douglas <e.d.programmer@gmail.com> - 2016-11-21 12:33 -0800
Re: Scaling java app Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2016-11-21 18:23 -0600
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-21 21:22 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-21 21:25 -0500
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-21 22:29 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-21 22:41 -0500
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-22 10:51 -0500
Re: Scaling java app a.laforgia@gmail.com - 2016-11-23 04:58 -0800
Re: Scaling java app Eric Douglas <e.d.programmer@gmail.com> - 2016-11-23 05:18 -0800
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-23 09:52 -0500
Re: Scaling java app Eric Douglas <e.d.programmer@gmail.com> - 2016-11-23 07:51 -0800
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-23 09:46 -0500
Re: Scaling java app Eric Douglas <e.d.programmer@gmail.com> - 2016-11-23 08:07 -0800
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-23 12:10 -0500
Re: Scaling java app Eric Douglas <e.d.programmer@gmail.com> - 2016-11-23 10:39 -0800
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-23 14:57 -0500
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-23 15:04 -0500
Re: Scaling java app a.laforgia@gmail.com - 2016-11-24 02:01 -0800
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-24 09:10 -0500
Re: Scaling java app a.laforgia@gmail.com - 2016-11-25 03:48 -0800
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-25 09:58 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-25 10:22 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-25 10:34 -0500
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-26 00:01 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-26 09:05 -0500
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-26 09:52 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-21 19:46 -0500
Re: Scaling java app Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2016-11-21 21:12 -0600
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-21 22:44 -0500
Re: Scaling java app Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2016-11-22 09:56 -0600
Re: Scaling java app Silvio <silvio@internet.com> - 2016-11-22 20:07 +0100
Re: Scaling java app Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2016-11-22 18:00 -0600
Re: Scaling java app Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2016-11-22 19:35 -0600
Re: Scaling java app Silvio <silvio@internet.com> - 2016-11-24 00:51 +0100
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-23 10:26 -0500
Re: Scaling java app Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-11-23 15:54 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-23 20:46 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-23 12:00 -0500
Re: Scaling java app Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2016-11-23 19:53 -0600
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-23 21:21 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-23 21:34 -0500
Re: Scaling java app Eric Douglas <e.d.programmer@gmail.com> - 2016-11-28 05:06 -0800
Re: Scaling java app Richard Maher <maher_rjSPAMLESS@hotmail.com> - 2016-11-24 20:45 +0800
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-24 09:12 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-25 10:32 -0500
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-26 00:05 -0500
Re: Scaling java app Martin Gregorie <martin@address-in-sig.invalid> - 2016-11-26 15:24 +0000
Re: Scaling java app Eric Douglas <e.d.programmer@gmail.com> - 2016-11-28 05:08 -0800
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-28 19:51 -0500
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-28 21:18 -0500
Re: Scaling java app lewbloch@gmail.com - 2016-11-29 13:50 -0800
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-11-29 16:53 -0500
Re: Scaling java app lewbloch@gmail.com - 2016-12-01 13:27 -0800
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-01 16:45 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-12-01 22:07 -0500
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-02 10:35 -0500
Re: Scaling java app Gene Wirchenko <genew@telus.net> - 2016-12-02 08:53 -0800
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-02 15:05 -0500
Re: Scaling java app Martin Gregorie <martin@address-in-sig.invalid> - 2016-12-02 20:25 +0000
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-02 16:20 -0500
Re: Scaling java app Martin Gregorie <martin@address-in-sig.invalid> - 2016-12-02 18:33 +0000
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-02 15:16 -0500
Re: Scaling java app Martin Gregorie <martin@address-in-sig.invalid> - 2016-12-02 22:57 +0000
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-02 19:25 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-12-02 22:18 -0500
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-02 22:28 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-12-02 22:36 -0500
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-03 11:27 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-12-02 22:05 -0500
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-02 22:30 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-12-02 22:41 -0500
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-03 11:29 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-12-02 22:00 -0500
Re: Scaling java app lewbloch@gmail.com - 2016-12-02 11:40 -0800
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-02 15:17 -0500
Re: Scaling java app lewbloch@gmail.com - 2016-12-02 16:26 -0800
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-02 20:46 -0500
Re: Scaling java app Eric Douglas <e.d.programmer@gmail.com> - 2016-12-02 12:44 -0800
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-12-02 21:57 -0500
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-02 22:40 -0500
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-12-02 22:51 -0500
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-03 11:42 -0500
Re: Scaling java app Andreas Leitgeb <avl@logic.at> - 2016-12-02 15:43 +0000
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-12-02 21:19 -0500
Re: Scaling java app Martin Gregorie <martin@address-in-sig.invalid> - 2016-12-02 10:28 +0000
Re: Scaling java app Jerry Stuckle <jstucklex@attglobal.net> - 2016-12-02 10:37 -0500
Re: Scaling java app Gene Wirchenko <genew@telus.net> - 2016-12-02 09:00 -0800
Re: Scaling java app Eric Douglas <e.d.programmer@gmail.com> - 2016-12-01 13:50 -0800
Re: Scaling java app Arne Vajhøj <arne@vajhoej.dk> - 2016-11-25 10:30 -0500
Re: Scaling java app Roedy Green <inquiry@mindprod.com> - 2016-11-27 16:42 -0800
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