Download File Pl-sql Excersises 2.docx May 2026

For business logic violations (e.g., attempting to withdraw more money than a bank balance allows), developers must define and RAISE custom exceptions to maintain data integrity. 4. Modularization: Procedures and Functions

Used to perform actions (e.g., updating a salary table). They utilize IN , OUT , and IN OUT parameters to communicate with the calling environment. Download File PL-SQL excersises 2.docx

Handling common issues like NO_DATA_FOUND (when a SELECT into returns nothing) or TOO_MANY_ROWS . For business logic violations (e