Persistence

GRepo - Generic DAO on Steroids

Many of us already know and appreaciate the Generic DAO design pattern. The "Generic Repository(grepo)" authors took it one step further. Using it, is generally no longer required to provide all the boilerplate code which is necessary in order to access (database) repositories from Java. All you have to do is write appropriate database code (queries, procedures, functions etc.), an appropriately annotated Java interface, and very little Spring configuration.

 

For more details see Generic Repository(grepo).

yanai 14/10/2009 - 11:04
Generic DAO, Persistence, Spring Hibernate
Semantic web marvels in a relational database - part II: Comparing alternatives

In the first article in this series the author explained the relational database mapping of his semantic web implementation. In this article he places this work into perspective by exploring related techniques.

yanai 18/06/2009 - 21:52
Persistence, Semantic Web persistence
Semantic web marvels in a relational database - part I: Case Study

You have heard about the semantic web. You know it is described as the future of the Web. But you are still wondering how this vision is going to make your applications better. Can it speed up application development? Can it help you to build complex datastructures? Can you use Object Oriented principles? This article shows how it can be done. And more.

 

http://techblog.procurios.nl/k/618/news/view/34300/14863/Semantic-web-ma...

yanai 18/06/2009 - 21:45
Persistence, Semantic Web persistence
To delete OR NOT to Delete - That is the question

Two different approaches to handle delete on the domain model - "Avoid Soft Delete" Deletes vs "Don’t Delete – Just Don’t".

yanai 13/09/2009 - 06:12
Delete ORM, Persistence
Comparing Memcached and Ehcache Performance

For those who are getting (or want to) started with memcached:

 

http://www.hugotroche.com/my_weblog/2008/06/ehcache-vs-memc.html

 

http://lemnik.wordpress.com/2008/09/10/why-memcached-is-probably-a-bad-idea-for-your-java-app/

 

http://gregluck.com/blog/archives/2007/05/comparing_memca.html

shlomo 01/07/2009 - 23:08
Caching, EhCache, memcahed, Persistence
Jboss Envers example

Enclosed is a Jboss Envers usage example and pdf from a previous server meeting

gad 29/01/2009 - 10:14
Persistence
Criticism of Java Persistence Frameworks

Ibrahim Levent describe the 23 most common pitfalls of Java Persistence Frameworks:

yanai 07/12/2008 - 23:30
Blogpost, ORM Criticism, Persistence
Object Relationship Definitions

A nice overview of relationships types...

udid 06/11/2008 - 12:15
join, Persistence, reference, relationship
SQL Tuning Overview

An overview on how to better utilize the persistence layer (DB) of your application. 

Why is my query running so slowly?

Should I add an index (and of what type) to my table?

How should I join my tables?

What are Partitions? Why should I use them?

How does the DB manage my queries? 

For these questions and more... :)

 

 

tomer 30/10/2008 - 10:59
Persistence
My little open-source project - JDBC console

 This is intended to be used from shell scripts or ant or maven builds to execute SQL scripts. Also it allows to enter SQL commands in interactive mode. In addition to the source code, there is a pre-built binary including all major open-source database drivers. To use Oracle/DB2/MSSQL JDBC drivers you need to download them from the corresponding corporate site.

Hope to hear your feedback.

andrew 07/09/2008 - 09:17
JDBC, MySQL, Newsflash, oracle, Persistence, PostgreSQL, script, SQL Tools
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