-1
votes
0answers
16 views

Create a bucket in riak cluster [migrated]

I have three virtual machines and I try to create a simple cluster with the java application riak. So i add the three Virtual machines to my client without any problem but when i try to create a ...
3
votes
2answers
143 views

java classes and database queries

Can someone please explain the best way to solve this problem. Suppose I have three classes Person Venue Vehicle I have a DAO method that needs to return some or all of these attributes from each ...
-1
votes
0answers
50 views

database auditing [migrated]

I am creating an intrusion detection system for a database. For this project I have taken one application like an employee database. I need to create a system users form web pages. I have type the ...
2
votes
1answer
100 views

Best way to lazy load blob from database in Java?

I have a database table that stores uploaded files (excel files) in a blob field. Each record contains the uploader, upload-time, the upload ID (primary key) and of-course, the blob itself. At some ...
2
votes
3answers
128 views

Plugin Architecture: How to Handle Databases and Logging?

I am in the process of designing an architecture for a plugin based application and I have some questions about how to handle database access and logging. The goal of my application is to allow a ...
4
votes
5answers
492 views

Database connection - should they be passed as parameter?

We have a system whereby the database connection is get once using a common method, and being pass throughout the relevant class to be used. There are doubts that passing the database connection as a ...
-2
votes
2answers
1k views

Data Grid for Web Application [closed]

Are there any good Data Grid libraries that allow the user to view and edit data from a database? My boss asked me to research possible Data Grid resources to supplement our web application and I ...
11
votes
4answers
866 views

What would you think about a new Java persistence tool, that's not really an ORM? [closed]

Persistence in Java Over the past years, I have gathered experience in the field of persistence abstraction in Java, using concepts such as EJB 2.0, Hibernate, JPA and home-grown ones. They seemed to ...
4
votes
2answers
367 views

Why shouldn't you use JDBC in Java applets?

I've heard people saying usage of JDBC (Java Database Connectivity) isn't recommended in Java applets. All I they say is: 'because of the security reasons'. What 'security reasons' do they mean? What ...
7
votes
3answers
3k views

What is the difference between all-static-methods and applying a singleton pattern?

I am making a database to store information about the users of my website (I am using stuts2 and hence Java EE technology). For the database I'll be making a DBManager. Should I apply singleton ...
4
votes
4answers
3k views

What is the best way to work with large databases in Java depending on context?

We are trying to figure out the best practice for working with very large DBs in Java. What we do is a kind of BI (business Intelligence), i.e analyzing very large DBs, and using them to create ...
2
votes
2answers
485 views

Design pattern for access to tree-like database in Java?

I'm developing a Roleplaying character viewer/manager programme for a locap LARP system. The Characters have access to skills that are layed out in a tree-like structure. There are a lot of skills, ...
0
votes
2answers
128 views

Persistent Storage format for (update+read)-intensive data

I am developing a Java application. While using the application, data would be generated that needs to be stored on disk. I am looking for an embedded database appropriate for a average use-case of ...
2
votes
2answers
226 views

How would you transfer data between your data structures and databases?

I'm learning programming in school and I have this question that's bugging me about data structures and transferring the information stored inside them to databases. We're doing just small systems - ...
1
vote
1answer
198 views

Effective programming of data layer management/access

Short Version: What is the term/concept which describes the efficient design of programming the data layer for efficient data access and what are some sources/books/articles/website which discuss this ...

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