The previous installment of this series examined aggregate subquery removal and subquery coalescing, describing the latter as similar in some ways to an inverse for “Or Expansion” and “Join Factorization”. In this instalment, it’s time to take a closer look at Or Expansion and we’ll move on to Join Factorization in the next instalment.
With the average data breach costing $4.35 million, Test Data Management (TDM) is crucial. In this session, we’ll demonstrate how TDM can reduce your risk by achieving scalable compliance without slowing down your database development process. Watch on demand now.
A look back at the PASS Data Community Summit in 8 slides from Tonie Huizer.
In my previous tip, I explained how we are inclined to use archive tables and how they become increasingly problematic over time. This tip will focus on ways to mitigate the issues.