Author: Nisarg Upadhyay

This article explains how we can unlock a user account in an Oracle database.

This article explains what DDL scripts are and how to use them.

How to alter a table in Oracle?

Three different ways to determine Oracle database size.

The differences between a primary key vs foreign key.

Get an overview of the NVL and NVL2 SQL functions along with examples of their use for correcting null values in reports.

Get step-by-step instructions for installing Oracle 18c Express edition, along with creating, connecting to and dropping a pluggable database.