SQL
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Enterprise Java
Do Not Make This Mistake When Developing an SPI
Most of your code is private, internal, proprietary, and will never be exposed to public. If that’s the case, you…
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Software Development
How SQL GROUP BY Should Have Been Designed – Like Neo4j’s Implicit GROUP BY
In the recent past, we’ve explained the syntactic implications of the SQL GROUP BY clause. If you haven’t already, you…
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Enterprise Java
jOOQ Tuesdays: Vlad Mihalcea Gives Deep Insight into SQL and Hibernate
Welcome to the jOOQ Tuesdays series. In this series, we’ll publish an article on the third Tuesday every other month…
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Software Development
It’s the Little Things: The PL/SQL NULL Statement, and why Every Language Should have One
Syntax is one of those topics. One of those emotional topics that lead to very very very important discussions. I…
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Enterprise Java
How to Avoid the Dreaded Dead Lock when Pessimistic Locking – And some Awesome Java 8 Usage!
Sometimes you simply cannot avoid it: Pessimistic locking via SQL. In fact, it’s an awesome tool when you want to…
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Software Development
How to use SQL PIVOT to Compare Two Tables in Your Database
This can happen ever so easily. You adapt a table by adding a new column: …
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Software Development
How to Extract a Date Part in SQL
The Modern SQL Twitter account (by Markus Winand) published a hint about how to extract a date part in SQL:…
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Software Development
10 SQL Articles Everyone Must Read
We’ve been blogging about Java and SQL for a while now, on the jOOQ blog. Over the years, while researching…
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Enterprise Java
How to fix optimistic locking race conditions with pessimistic locking
Recap In my previous post, I explained the benefits of using explicit optimistic locking. As we then discovered, there’s a…
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