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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Java 8 Friday Goodies: Lambdas and SQL

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. We have blogged ...
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You’re Very Likely to Have Gotten SQL Date Time Arithmetic Wrong!

You’re very likely to have gotten SQL date time arithmetic wrong. And why is that? Google it! You’ll quickly find blog posts like these:Date / Time Arithmetic with Oracle 9 / ...
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JDBC 4.0’s Lesser-known Clob.free() and Blob.free() Methods

When I talk about jOOQ at conferences, I always show this slide containing a bunch of very common JDBC mistakes that people often commit:                    Six ...
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Java 8 Friday Goodies: Lambdas and Sorting

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. We have blogged ...
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Java 8 Friday Goodies: The New New I/O APIs

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. We have blogged ...
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Java 8 Friday Goodies: Lambdas and XML

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. We have blogged ...
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Java 8 Friday Goodies: java.io finally rocks!

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. We have blogged ...
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Why Your Boring Data Will Outlast Your Sexy New Technology

So you’re playing around with all those sexy new technologies, enjoying yourself, getting inspiration from state-of-the-art closure / lambda / monads and other concepts-du-jour… Now ...
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The SQL Language’s Most Missing Feature

SQL is also awesome in many ways. We can write out the most complex truths and facts and have the database tell us the answer in no time. But the SQL language is arguably the most ...
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Lesser-Known SQL Features: DEFAULT VALUES

A lesser-known SQL feature is the DEFAULT keyword, which can be used in INSERT and UPDATE statements. Consider the following table, created using standard SQL syntax:                   CREATE ...
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