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 ...
Linux Journal

SQLite Extraction of Oracle Tables Tools, Methods and Pitfalls

The SQLite database is a wildly successful and ubiquitous software package that is mostly unknown to the larger IT community. Designed and coded by Dr. Richard Hipp, the third major revision of SQLite ...
techtarget

Oracle Database 21c looks for adoption of blockchain tables

When Oracle Database 21c first became available in the Oracle cloud in January, it introduced a series of new blockchain capabilities to Oracle's flagship database. To date, Oracle Database 21c has ...
Houston Chronicle

How to Reindex SQL Tables

The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...
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 ...