SQL Tuning Golf, anyone?
Golf is one of the very few sports where the goal is the lowest possible score. Code golf is about solving a given algorithm using the fewest possible characters. It can be very fun indeed to play code golf, also in SQL. But for real…
Behind the Scenes: Preparing a Live Demo
One of the extensions in Oracle 20c is the possiblity to use the In-Memory Database option for Partitioned External Tables and Hybrid Partitioned Tables. In my opinion, this opens up many possibilities to perform efficient ad-hoc queries on Data Lakes. That’s why I prepared a…
Formatter Callback Functions
Introduction In this blog post I explained how the formatter in SQL Developer works and outlined how you can change the formatter result using Arbori and JavaScript. In this post I explain what exactly the provided formatter callback functions do. For that I use simple…
Patching SQL Developer 20.2 with SQLcl’s Formatter
Introduction SQLcl 20.3.0 was released on October 29, 2020. It’s the first time I remember that we have a SQLcl version without the corresponding SQL Developer version. This is a pity because this SQLcl version also contains formatter fixes. And formatting code is something I…
Navigation in Large PL/SQL Code
Are you editing large PL/SQL code in SQL Developer? Have you noticed that sometimes you cannot navigate to a declaration anymore? No Ctrl-Click under Windows. No Command-Click under macOS. In this blog post I explain the reason and how to fix that in SQL Developer…
Disable Formatter for Code Sections in SQL Developer
In this blog post I show how you can disable the formatter for some parts of your code. IntelliJ IDEA and the Eclipse IDE use tags in comments to identify sections of code that must not be formatted. By default these tags are @formatter:off and…
Highlight Hints in SQL Developer
Introduction In this blog post I explain how you can configure your SQL Developer to highlight hints and distinguish them from ordinary comments. The SQL Language Reference for Oracle Database 19c defines hints as follows: Hints are comments in a SQL statement that pass instructions…
Formatting SQL Code Blocks in Markdown Files
Introduction Everything Changes. Our Trivadis SQL & PL/SQL Coding Guidelines are no exceptions. We plan to change rule #1 of our coding styles. From “Keywords are written uppercase, names are written in lowercase.” to “Keywords and names are written in lowercase.“. We have 103 Markdown…
Always Free Autonomous JSON Database?
Introduction Oracle just released the Autonomous JSON Database (AJD). This is a special version of the Autonomous Transaction Processing (ATP) database focussing on managing JSON documents via Simple Oracle Document Access (SODA) and SQL. Beda Hammerschmidt shows in this blog post how you can use…
Formatting SQL Scripts in a Directory Tree with SQLcl
Introduction Oracle’s SQL Developer can format code in any worksheet and PL/SQL editor. The formatter is highly configurable and the default formatting results are becoming better with every version. Oracle’s SQLcl is a command-line tool. It’s a stripped down version of SQL Developer and known…
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