About Lukas Eder

Lukas is a Java and SQL enthusiast developer. He created the Data Geekery GmbH. He is the creator of jOOQ, a comprehensive SQL library for Java, and he is blogging mostly about these three topics: Java, SQL and jOOQ.

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Three-State Booleans in Java

Every now and then, I miss SQL’s three-valued BOOLEAN semantics in Java. In SQL, we have:TRUE FALSE UNKNOWN (also known as NULL)Every now and then, I find myself in a situation ...
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Java 8 Friday: Let’s Deprecate Those Legacy Libs

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. Java 8 Friday Every ...
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NoSQL? No, SQL! – How to Calculate Running Totals

If anything at all, our jOOQ talks at various JUGs and conferences have revealed mostly one thing: Java developers don’t know SQL. And it isn’t even necessarily our fault. We’re ...
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The Top 10 Productivity Booster Techs for Programmers

This is the list we’ve all been waiting for. The top 10 productivity booster techs for programmers that – once you’ve started using them – you can never do without them any ...
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How can I do This? – With SQL of Course!

Haven’t we all been wondering: How can I do this? I have these data in Excel and I want to group / sort / assign / combine … While you could probably pull up a Visual Basic script ...
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We’re Hacking JDBC, so You Don’t Have To

We love working with JDBC Said no one. Ever. On a more serious note, JDBC is actually a very awesome API, if you think about it. It is probably also one of the very reasons Java has ...
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Java 8 Friday: No More Need for ORMs

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. Java 8 Friday Every ...
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Open Source Completely Underestimates Contributor License Agreements

Reddit’s /r/ProgrammerHumor has recently treated us to this politically incorrect and quite childish little Open Source rant                Obviously, ...
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Java Rocks More Than Ever

On the TIOBE index, Java and C have been sharing the #1 and #2 rank for a long time now, and with the recent GA release of the JDK 8, things are not going to get any worse for our community. Java ...
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Java 8 Friday: The Dark Side of Java 8

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. Java 8 Friday Every ...
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