Finding an Identity Column Sequence in Oracle
It’s that time again. It’s the week between Christmas and New Year and I’ve been grappling with the advanced mathematics required to calculate when the next refuse collection is due.I’ve got some code...
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The most productive code I’ll write this year
I’m currently sitting here wearing a t-shirt so geeky that the slogan emblazoned upon it requires knowledge of both binary and unicode to understand that deciphering it is probably not worth the...
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DBMS_SCHEDULER – Fiddling with File Watchers
I recently updated my blog profile picture. Let’s face it, it was about time. The old one was taken 14 years ago. This time, I thought I’d go for a contemporary portrait, which has the added benefit of...
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Fantasy Software Development – exploring Brownfield development with Oracle RAD
I just can’t get the hang of Fantasy Football.I’ll do all the right things, like swapping out striker A because of that tough away game coming up and bring in striker B who is bang in form and playing...
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Fantasy Software Development Sprint 1- Coding like it’s 1889 !
Now we have our backlog, it’s time to finish our setup and then get on and knock out some code…or maybe not.Remember, we’re using APEX as part of our technical solution and we’re going to let it do...
View ArticleHelp, Oracle’s yanking my Chain (count)
Despite all the hype, it turns out that Football was coming home only to change it’s underwear before going out again.As the Azzuri may have said, “Veni Vidi Vici (ai penalti)”…or something like...
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The Three Laws of Robotic Vacuum Cleaners and the ANYDATA Datatype
After some observation of my recently acquired robotic vacuum cleaner, I’ve concluded that Asimov’s Three Laws of Robotics require some revision : First Law – A robot may not traverse stairs. If you...
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Side-stepping session silliness – ORA-04068 and MODIFY_PACKAGE_STATE
I’m writing some PL/SQL package. In a surprise development, I’m actually following best practice and using utPLSQL to unit test it.Even more surprisingly, I’m following the Test-Driven Development...
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Predicting the future with DBMS_SCHEDULER.EVALUATE_CALENDAR_STRING
“Tempus Fugit !”…may well be similar to the collection of syllables that spring to mind when you find out the “fun” way that your carefully crafted DBMS_SCHEDULER calendar string doesn’t quite do what...
View ArticleFinding an Identity Column Sequence in Oracle
It’s that time again. It’s the week between Christmas and New Year and I’ve been grappling with the advanced mathematics required to calculate when the next refuse collection is due.I’ve got some code...
View ArticleClik here to view.
The most productive code I’ll write this year
I’m currently sitting here wearing a t-shirt so geeky that the slogan emblazoned upon it requires knowledge of both binary and unicode to understand that deciphering it is probably not worth the...
View ArticleClik here to view.
Turtles All the Way ! Removing Clear Text passwords from bash scripts...
When discussing this issue with a colleague recently, we came to the question of how you protect a password that you need to access another password and he observed that, “before you know it, it’s...
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Pretty Vagrant – the easiest way to get Oracle XE21c running on Ubuntu
It’s been a few months now since the latest version of Oracle’s excellent ( and free) Express Edition (XE) database was released and it’s about time I got it installed and running so I can have a...
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Initialising SQL*Plus variables with NEW_VALUE
Whatever new and innovative tooling Oracle comes up with, it’s almost inevitable that, sooner or later, you will need to do something inventive in SQL*Plus. This usually happens when you are...
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SQLDeveloper Sorcery – drag-and-drop in-lists.
When I started my IT career, the programmer saw the world in monochrome.The ability to exit vi was simply an essential survival skill.Syntax highlighting was science fiction. As for code completion,...
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Generating an Excel Report from PL/SQL using AS_XLSX
No matter how user-friendly the expensive BI tool ( or the dirt-cheap Application Express for that matter), sometimes, only Excel will do for your users.No, you can’t get away with giving them a CSV...
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Skippy – Lazy Logging for Lazy PL/SQL Devs
What’s that Skippy ? Mike’s finally gotten round to publishing that logging framework ?Yes, it’s only taken around seven years but I’ve finally managed to put together a coherent version of the PL/SQL...
View ArticleCreating a Datapump Export using an External Table
Oracle’s Data Pump utility provides a fast way of extracting data from the database and – potentially – moving it to another Oracle database.Both the command line utility and the DBMS_DATAPUMP package...
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Connecting to an Autonomous Database in the Oracle Cloud
Look, this is a post about setting up and configuring databases in the Cloud.Therefore, by law, I am required to make numerous references to Captain Scarlett and the Mysterons.This is because Spectrum...
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Excluding English Public Holidays from a DBMS_SCHEDULER Schedule
This week we’re taking on the entire Establishment through the medium of… DBMS_SCHEDULER Calendar Strings.I should probably explain that, in a normal year, England has eight Public Holidays. Four of...
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