Kellyn Pot'Vin-Gorman in Oracle Oracle’s Limited Cloud Vendor Licensing It’s nothing new for vendors to find ways to lock in customers to their products and cloud services. Oracle recently... 15 April 2025 3 min read
Kellyn Pot'Vin-Gorman What is Oracle RAC and Why Use it for Scaling Workloads? Oracle Real Application Clusters (RAC) is a database clustering solution that enables multiple servers to operate as a single, unified... 10 February 2025 6 min read
Kellyn Pot'Vin-Gorman in Oracle Oracle Architecture Overview I often fall back to the tried-and-true methods to understanding Oracle environments. Yes, sometimes the older ways are best, but... 02 January 2025 24 min read
Kellyn Pot'Vin-Gorman in Oracle Introduction to Oracle Database for Database Professionals Oracle Database, often referred to simply as Oracle, is one of the most powerful and widely used relational database management... 05 December 2024 12 min read
Oracle Jonathan Lewis in Oracle Oracle optimizer Or Expansion Transformations The previous installment of this series examined aggregate subquery removal and subquery coalescing, describing the latter as similar in some... 26 October 2022 15 min read
Oracle Jonathan Lewis in Oracle The effects of NULL with NOT IN on Oracle transformations IN and NOT IN subqueries are frequently used in Oracle. Jonathan Lewis explains how the optimizer handles NULL with IN... 22 February 2022 11 min read
BI Sanil Mhatre in BI Text Mining and Sentiment Analysis: Oracle Text Oracle has built-in functionality to analyze text. Sanil Mhatre demonstrates how to perform a sentiment analysis on data stored in... 30 August 2021 12 min read
Oracle Jonathan Lewis in Oracle Oracle sequences – 12c features including “identity” Oracle added several enhancements to the sequence object in version 12c, including an “identity” column feature. Jonathan Lewis explains how... 19 August 2021 16 min read
Oracle Jonathan Lewis in Oracle Oracle archived redo size – the research Oracle archived redo size may be smaller than that of online redo log files. In this article, Jonathan Lewis takes... 11 January 2021 15 min read
Oracle Mike Smithers in Oracle utPLSQL 3.0 – How To Have Your Cake and Eat It This article was originally published on mikesmithers.wordpress.com. “You can’t have your cake and eat it!” This seems to be a regular... 08 May 2018 27 min read
Oracle Samuel Nitsche in Oracle Strongholds of Confidence: Self-Testing Your Database Unit testing and even Test-Driven Development is possible for databases. In this article Samuel Nitsche makes the case for introducing... 04 April 2018 17 min read
Oracle Nick Buytaert in Oracle Validating naming conventions in Oracle Most development teams have agreed upon some sort of naming convention as it typically increases the readability and comprehension of... 20 February 2018 8 min read
David Njoku JSON For Absolute Beginners: Part 4 – Retrieving JSON in Oracle There’s a possibility you’ve parachuted into this series on JSON and Oracle at this point. If you are already familiar... 03 October 2016 11 min read
David Njoku XQuery for Absolute Beginners: Part 3 – FLWOR This is the third instalment in a series of articles that I’m hoping will serve as a primer for Oracle... 21 March 2016 9 min read
David Njoku XQuery for Absolute Beginners: Part 2 – XQuery and the Oracle Database In this series of articles I’m hoping to provide a primer for newish Oracle developers who are curious about XQuery... 02 March 2016 7 min read
David Njoku Introduction to Analytic Functions (Part 2) In the first part of this series I introduced you to the analytic functions family, outlined its close relationship to... 17 September 2015 7 min read
Steve Harville Data Masking using SQL Loader I use Enterprise Manager Cloud Control to mask Oracle databases so they can be shared with our ERP vendor. I intended to... 25 February 2015 5 min read
Randolf Geist Parallel Execution Skew – Addressing Skew Using Manual Rewrites In this part of the series we will have a look at different approaches to how Parallel Execution Skew can... 23 June 2014 13 min read
David Njoku Oracle for Absolute Beginners: Part 7 – Creating Tables, Constraints and Triggers A wise man once said: start at the beginning and go on till you come to the end: then stop.... 10 June 2014 9 min read
David Njoku Oracle for Absolute Beginners: Part 6 – Procedures and Functions A wise man once said, insanity is doing the same thing over and over again but expecting different results. If... 07 May 2014 13 min read
