The various SQL product vendors implement subtle differences in the
way they interpret SQL. In this case, I’ve been examining the reuse of
constraint names within a schema / database (which is yet another story:
what’s a schema, what’s a database?)....
0 replies - 1487 views - 12/13/11 by Lukas Eder in Articles
Most of us separate development data from production data, physically or at least, logically (except maybe Chuck Norris
(official website, no kidding!)). If you’re lucky and you can afford
multiple Oracle / other-expensive-database licenses, you might...
0 replies - 1853 views - 11/19/11 by Lukas Eder in Articles
jOOQ-meta is more than just meta data navigation for your database
schema. It is also a proof of concept for the more complex jOOQ queries.
It is easy for you users to believe that the simple vanilla queries of
this form will work:
0 replies - 1879 views - 11/18/11 by Lukas Eder in Articles
So last time we helped out justice league to effectively manager their super heroes. Today we focus on how The Avengers
will be using Hibernate's Detached Criteria to find out their enemies
with respect to each superhero so as to protect their super heroes....
0 replies - 2413 views - 11/11/11 by Dinuka Arseculeratne in Articles
I recently became aware of an interesting use-case for jOOQ when I was optimising my own H2 database integration tests:
H2 stored functions
H2 knows two operation modes for stored functions:
“Inline mode” with source code provided“Reference mode”...
0 replies - 2013 views - 11/04/11 by Lukas Eder in Articles
Hibernate (and actually JPA) has collection mappings:
@OneToMany, @ManyToMany, @ElementCollection. All of these are by default
lazy. This means the collections are specific implementations of the
List or Set interface...
5 replies - 2771 views - 10/27/11 by Bozhidar Bozhanov in Articles
This tutorial will walk you throughout how to save and load an image from database (MySQL) using Hibernate.
Requirements
For this sampel project, we are going to use:
1 replies - 2929 views - 10/23/11 by Loiane Groner in Articles
13 replies - 5764 views - 10/12/11 by Rob Williams in Articles
What is science? The practice of making up a fake world, filling it
up with only data that the Scientist approves, in pursuit of publishing a
fairy tale about what happened when the scientist‘s hypothesis was
tested against his sanitized surrogates. We...
0 replies - 2877 views - 10/03/11 by Rob Williams in Articles
So i thought to do a series of hibernate examples showing various
features of hibernate. In the first part i wanted to show about the
Delete Orphan feature and how it may be used with the use of a story
line. So let us begin :)
Prerequisites:
In...
9 replies - 4887 views - 09/23/11 by Dinuka Arseculeratne in Articles
Databases are as ubiquitous as computers. They are often, erroneously,
attributed to data-intensive, long-term storage solutions. Yet in
reality they are used in one shape or form in most programs. From word
processors to media players to web-browsers. All...
0 replies - 2411 views - 08/29/11 by Ashod Nakashian in Articles
I've been using Hibernate for some time now and when I don't work on a
hibernate project for a while I find myself doing the same mistakes I
did the previous times
So here is a sort of watch list for my self hopefully will be useful to someone else as well.
4 replies - 5695 views - 08/25/11 by Andrew Salvadore in Articles
DbUnit Express
is my wrapper around DbUnit that intends to make it extremely easy to
set up a test of a code that interacts with a database. It is
preconfigured to use an embedded Derby database (a.k.a. JavaDB,
part of SDK) and uses convention over...
0 replies - 2948 views - 07/28/11 by Jakub Holý in Articles
I ran into an issue running some DBUnit tests trying to seed a
database where tables do not have primary keys such as CollectionTables
in JPA.
This blog illustrates how to the
http://www.dbunit.org/properties/primaryKeyFilter property to refresh a
table...
2 replies - 2548 views - 07/10/11 by Mick Knutson in Articles
JPA 1 has a strict rule about what the access when defining your meta
annotations (you database to java mapping). In jpa 1 the standard was
the way the ID was mapped.
1 replies - 5040 views - 07/01/11 by Jelle Victoor in Articles
