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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 common JDBC bugs in this image Can you find the bugs? Some...
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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 / 10 How does one add a...
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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 a couple of times about...
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No CROSS JOIN in MS Access
For the upcoming jOOQ 3.3, we’re now integrating support for the MS Access database through the JDBC-ODBC bridge, which is included in the JDK up until Java SE 7. Note that it will be removed in Java...
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An MS Access SQL Transformation Odyssey
Recently, we’ve added support for the MS Access database in jOOQ 3.3. This may well have been our hardest integration so far. The MS Access database has its ways, and many of them, too. But luckily,...
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The JDBC Boolean Compatibility List
Interestingly, boolean types have been introduced only late in the SQL standard, namely in SQL:1999. Even today, not all databases natively support BOOLEAN or BIT types. Most importantly, we can still...
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jOOQ Newsletter: February 26, 2014
Subscribe to the newsletter here Tweet of the Day Our followers, users and customers are shouting their love for jOOQ to the world. Here are: Ben Hood who is constantly discovering new useful features...
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Why Embracing Legacy is Wise
Legacy isn’t sexy. When hearing “legacy”, people think of COBOL. Those good old days when people talked to machines like they would talk to robots. But COBOL is not the only type of legacy. According...
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Java 8 Friday Goodies: SQL ResultSet Streams
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 a couple of times about...
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Please, Run That Calculation in Your RDBMS
There’s one thing that you can do terribly wrong when working with RDBMS. And that thing is not running your calculations in the database, when you should. We’re not advocating to blindly move all...
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A SQL query DSL for Scala by ScalikeJDBC
There are a tremendous amount of SQL APIs natively written in Scala. Manuel Bernhardt has summarised a nice collection in his a post. Another collection of Scala SQL APIs can be seen in this Stack...
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The Power of Spreadsheets in a Reactive, RESTful API
Being mostly a techie, I’ve recently and admittedly been deceived by my own Dilbertesque attitude when I stumbled upon this buzzword-filled TechCrunch article about Espresso Logic. Ever concerned about...
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A Better Query Language than SQL
Leland Richardson, Founder of Tech.Pro has recently published a very interesting article about BQL, his visions of a better query language (than SQL). The deciding feat of his new language proposal is...
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Java 8 Friday: Java 8 Will Revolutionize Database Access
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. For our Java 8 series, we’re honoured...
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CUME_DIST(), a Lesser-Known SQL Gem
When doing reporting or statistics with SQL, you better know your window functions. There are many of them, and few SQL developers know about them. CUME_DIST() is one such function. We’ve recently...
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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 Friday, we’re...
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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 doing the work or...
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jOOQ Newsletter: April 16, 2014 – Monthly, Yearly, Perpetual licenses now...
Subscribe to this newsletter here Tweet of the Day Our customers, users, and followers are sharing their love for jOOQ to the world. Here are: Mahmud who cannot wait to make more magic with jOOQ....
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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 just not exposed to SQL...
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jOOQ Newsletter: April 30, 2014
Subscribe to this newsletter here Tweet of the Day Our customers, users, and followers are sharing their love for jOOQ to the world. Here are: Santiago M. Mola who appreciates jOOQ’s affinity to SQL...
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