Using SQL with Associative Arrays of records in Oracle 12c

The ability of using SQL to operate on Associative Arrays or PL/SQL tables as they were known when I started working as a Database Developer is one of my favourite new features of 12c. I wasn’t aware of it until I read the post by Connor Mcdonald. It’s announcement within the new features guide is […]

In Oracle SQL, why doesn’t ROWNUM = 2 work?

The inspiration for this post came after recently overhearing a developer asking why his query was not returning a row. It had been working fine, the only change was instead of ROWNUM = 1, he had changed it to ROWNUM = 2. The query was could have been doing something similar to the following: which […]