PL/SQL stands for Procedural Language extension of SQL. PL/SQL is a combination of SQL along with the procedural features of programming languages. It was developed by Oracle Corporation in the early ...

This study guide covers the internal workings of a basic SQL SELECT statement in Oracle. We'll focus on how the query retrieves data from a table and how it determines which rows to select. The query ...

The TRUNCATE SQL statement is used to remove all data from a table in one operation. It's a quick way to delete all rows from a table without deleting the table structure itself. ==TRUNCATE is a DDL ...