SQL NULL Pitfalls: Why NOT IN Returns Zero Results and 3 Points Where MySQL and Oracle Behaviors Diverge

Introduction"I want to list customers who haven't ordered, but I get zero results," or "The count doesn't match when I ...
techtarget

How to use SQL Developer to run SQL statements

Chapter 2, How to use Oracle SQL Developer and other tools This chapter from Murach's Oracle SQL and PL/SQL explains how to work with Oracle SQL Developer and other tools. In this section, learn how ...

What does a DBA do? Before being assigned, I thought it was just 'someone who does something with SQL'

Before becoming a DBA, I didn't have a clear image of what database work involved.In my university research, I used C++, but ...
SiliconIndia

Performing a Unit Test of Your PL/SQL in Oracle SQL

The SQL Developer unit testing framework involves a set of sequential steps for each test case. The steps are as follows, including the user input for before the step is run and the framework ...
Ars Technica

[SQL] Handle SELECT INTO #TempTable In IF/ELSE Statement

What the best way to work around this? I have the same SELECT statement but there are different criteria depending on the IF check. Well, if you happen to be using Sql Server you can do that sort of ...