List/Grid Tag Archives: Databases

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Multi-tier application + database deadlock or why databases aren’t queues (part1)

Databases aren’t queues. And despite the ubiquitous presence of queuing technology out there (ActiveMQ, MSMQ, MSSQL Service Broker, Oracle Advanced Queuing) there are plenty of ...
software-development-2-logo

Why Staying in Control of Your SQL is so Important

Lots of blog posts and research papers are written about the topics of scaling up and scaling out. This interesting blog post, for instance, sheds some light on the two strategies with ...
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The 10 Most Popular DB Engines (SQL and NoSQL)

How to objectively measure the popularity of a DB engine? Good question! And there’s an Austrian company (Solid IT) who claims to have the answer. The company focuses on “Big Data ...
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Why PostgreSQL is so Awesome

Just recently, I’ve blogged about PostgreSQL 9.3 having been released, which is awesome enough as PostgreSQL finally supports materialised views and updatable views. I have then blogged ...
java-interview-questions-answers

Batch Writing, and Dynamic vs Parametrized SQL, how well does your database perform?

One of the most effective database optimizations is batch writing. Batch writing is supported by most modern databases and part of the JDBC standard and is supported by most JPA providers. Normal ...
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10 More Common Mistakes Java Developers Make when Writing SQL

I was positively surprised to see how popular my recent listing about 10 Common Mistakes Java Developers Make when Writing SQL was, both on my own blog and on my syndication partner ...
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An argument against defaulting to auto-increment primary keys

The de-facto “easy” primary key for ages has been the auto-incrementing integer. Upon insertion of a new record, the database simply increments a counter for the table and uses ...
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10 Common Mistakes Java Developers Make when Writing SQL

Java developers mix object-oriented thinking with imperative thinking, depending on their levels of:Skill (anyone can code imperatively) Dogma (some use the “Pattern-Pattern”, ...
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Source control your database with Liquibase

I recently started to use Liquibase on a project to keep track of the database changes in our Java Enterprise application. I must say that I like the way it works. It makes the deployment ...
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Easy Mocking of Your Database

Test-driven development is something wonderful! Once you’ve established it in your organisation, you will start to:Greatly improve your quality (things break less often) Greatly ...
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