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 ...

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 ...

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 ...