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Groups > comp.lang.java.databases > #622

Re: Local database library

From Martin Gregorie <martin@address-in-sig.invalid>
Newsgroups comp.lang.java.databases
Subject Re: Local database library
Date 2013-10-02 19:49 +0000
Organization A noiseless patient Spider
Message-ID <l2htcj$j8p$1@dont-email.me> (permalink)
References <20131001135230.66af12f9@efreet.linux> <524b40ba$0$304$14726298@news.sunsite.dk> <20131001154157.7f37e588@efreet.linux> <524b6e8d$0$304$14726298@news.sunsite.dk> <20131002100935.0eacf609@efreet.linux>

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On Wed, 02 Oct 2013 10:09:35 -0700, Kevin Nathan wrote:

> Your two code lines above have gotten me thinking of some other options
> and questions, so I will be digging into that. That's pretty much the
> format used in the C++ code, but that code is very poorly written so
> it's hard to understand a lot of what the previous coders were doing.
> 
One JDBC wrapper class per table may work. Then again its likely to lead 
you into tangles with SQL that accesses more than one table, i.e. doing 
joins. In that case a bit of data analysis[*] may pay off because things 
may be easier if you can use a single class to encapsulate all access to 
a tightly linked group of tables

[*] This means looking at the database schema if there is a current 
version or draw one up if there isn't. There are some good tools for 
extracting entity-relationship diagrams from the schema if your shop has 
a budget for this sort of tool. 


-- 
martin@   | Martin Gregorie
gregorie. | Essex, UK
org       |

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Thread

Local database library Kevin Nathan <knathan@project54.com> - 2013-10-01 13:52 -0700
  Re: Local database library Arne Vajhøj <arne@vajhoej.dk> - 2013-10-01 17:38 -0400
    Re: Local database library Kevin Nathan <knathan@project54.com> - 2013-10-01 15:41 -0700
      Re: Local database library Arne Vajhøj <arne@vajhoej.dk> - 2013-10-01 20:53 -0400
        Re: Local database library Kevin Nathan <knathan@project54.com> - 2013-10-02 10:09 -0700
          Re: Local database library Martin Gregorie <martin@address-in-sig.invalid> - 2013-10-02 19:49 +0000
            Re: Local database library Kevin Nathan <knathan@project54.com> - 2013-10-04 10:48 -0700
              Re: Local database library Martin Gregorie <martin@address-in-sig.invalid> - 2013-10-05 15:43 +0000
                Re: Local database library Kevin Nathan <knathan@project54.com> - 2013-10-05 11:19 -0700
          Re: Local database library Arne Vajhøj <arne@vajhoej.dk> - 2013-10-02 22:05 -0400
            Re: Local database library Kevin Nathan <knathan@project54.com> - 2013-10-04 10:57 -0700
              Re: Local database library Arne Vajhøj <arne@vajhoej.dk> - 2013-10-04 22:00 -0400
                Re: Local database library Kevin Nathan <knathan@project54.com> - 2013-10-05 11:28 -0700
                Re: Local database library Arne Vajhøj <arne@vajhoej.dk> - 2013-10-05 15:15 -0400
                Re: Local database library Kevin Nathan <knathan@project54.com> - 2013-10-05 12:49 -0700
  Re: Local database library "John B. Matthews" <nospam@nospam.invalid> - 2013-10-02 15:37 -0400
    Re: Local database library Kevin Nathan <knathan@project54.com> - 2013-10-04 11:02 -0700
      Re: Local database library Lew <lewbloch@gmail.com> - 2013-10-04 15:56 -0700
        Re: Local database library Kevin Nathan <knathan@project54.com> - 2013-10-05 12:06 -0700
          Re: Local database library Lew <lewbloch@gmail.com> - 2013-10-15 16:41 -0700
            Re: Local database library Kevin Nathan <knathan@project54.com> - 2013-10-26 12:08 -0700
              Re: Local database library Martin Gregorie <martin@address-in-sig.invalid> - 2013-10-26 21:04 +0000
                Re: Local database library Kevin Nathan <knathan@project54.com> - 2013-10-26 18:58 -0700
              Re: Local database library Arne Vajhøj <arne@vajhoej.dk> - 2013-10-26 18:39 -0400
                Re: Local database library Kevin Nathan <knathan@project54.com> - 2013-10-26 19:04 -0700
            Re: Local database library Arne Vajhøj <arne@vajhoej.dk> - 2013-10-26 18:33 -0400

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