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Triggers & Stored Procedures: Overview

Module: Schema Design & Advanced DDL

When triggers are the right solution vs when they create maintenance nightmares

Five trigger patterns used in production: audit logging, denormalization, validation, cascading updates, event notifications

Stored procedures for complex business logic that belongs in the database

Performance implications of triggers - they add 5-50ms per operation

Debugging strategies for triggers that fire automatically and hide logic

How to avoid trigger hell: cascading triggers that fire other triggers

Real-world examples from banking, e-commerce, and healthcare systems

When to use triggers vs application code vs database constraints

When triggers are the right solution vs when they create maintenance nightmares

Five trigger patterns used in production: audit logging, denormalization, validation, cascading updates, event notifications

Stored procedures for complex business logic that belongs in the database

Performance implications of triggers - they add 5-50ms per operation

Debugging strategies for triggers that fire automatically and hide logic

How to avoid trigger hell: cascading triggers that fire other triggers

Real-world examples from banking, e-commerce, and healthcare systems

When to use triggers vs application code vs database constraints