: Bundling related types, variables, cursors, and subprograms into single database modules to enforce encapsulation and improve performance.
Learn how to use database triggers to enforce business rules automatically. oracle pl sql programming 7th edition pdf
When to use which for optimal performance. : Bundling related types
This is often where performance is won or lost. The book bridges the gap between the procedural PL/SQL engine and the declarative SQL engine. oracle pl sql programming 7th edition pdf
: Best practices for building modular applications using Packages , procedures, functions, and triggers.
Organizing code into modules to improve reusability, security, and performance.
Contains the logic and SQL statements to be performed .