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Single-Point-of-Definition by Example
Steven Feuerstein lists seven excellent “Golden Rules” in his presentation (via Eddie Awad) and says “Don’t repeat anything. Aim for a Single Point of Definition for every aspect of your application –...
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TAPI vs. XAPI
I just wanted to bring attention to some very interesting discussion (that’s been going on for years now) regarding Table APIs (TAPI) versus Transactional APIs (XAPI). Some very nice answers, as well...
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Unit Test != Requirements
Are one or more usage examples enough to specify the requirements for something? For example: rtrim('123000', '0'); would return '123' No, as can be seen here: Oracle 8, SQL: RTRIM for string...
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The Templating Way
Today, grasshopper, you will learn the Way of the Template. The Templating Way is the path by which complex output is produced in a harmonious fashion. The Templating Way does not cobble a string...
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To Exist or Not To Exist
An interesting discussion on the PL/SQL Challenge blog here has led to me changing my mind about “the best way” to loop through a sparse PL/SQL associative array. Normally, if we know that an array has...
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Designing a PL/SQL API – BOOLEAN or CHAR?
A simple question: you’re designing an API to be implemented as a PL/SQL package, and you don’t (yet) know the full extent to which your API may be used, so you want to cover a reasonable variety of...
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Fabian Pascal is back and Debunking again
This book takes pride of place on my bookshelf. Highly recommended reading for anyone in the database industry. If you haven’t seen Fabian Pascal’s blog before, it’s because he’s only just started it –...
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Top 10 Confusing Things in Oracle
Every mature language, platform or system has little quirks, eccentricities, and anachronisms that afficionados just accept as “that’s the way it is” and that look weird, or outlandishly strange to...
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Deploying Application Express on the Command Line
I love the Apex UI, it makes development so much easier and more convenient – and makes it easy to impress clients when I can quickly fix issues right there and then, using nothing but their computer...
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Parallel Development in Apex
My current client has a large number of Apex applications, one of which is a doozy. It is a mission-critical and complex application in Apex 4.0.2 used throughout the business, with an impressively...
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Build your Apex application better – do less in Apex
I recently saw this approach used in a complex Apex application built for my current client, and I liked what I saw – so I used a similar one in another project of mine, with good results. Pages load...
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