About this document
Understanding NULLs in SQL Queries by AKASH JAISWAL is a document available to read on EtoBox.
This document provides an update to a presentation on database concepts. It discusses inclusive ranges that include lower and upper limits, valid values to return records containing numbers 1 through 4, and how NULL values cannot be compared using equal or not equal operators as their actual value is unknown. The update was made on 12/4/2015 and focuses on escape characters on slides 16 and 17.
- Author
- AKASH JAISWAL
- Language
- EN