3. Stored Procedures and Functions
Encapsulate business logic in PostgreSQL with PL/pgSQL functions and procedures.
Stored Procedures Basics
Create and call PostgreSQL stored procedures with CALL, parameter modes, and safe operational patterns. Focus: Stored Procedures Basics.
User-Defined Functions
Create PostgreSQL functions (SQL and PL/pgSQL) that return scalars or sets, choose volatility, and use functions safely in queries. Focus: User-Defined Functions.
Control Flow and Error Handling
Write robust PL/pgSQL with IF/CASE/LOOP, RAISE, and EXCEPTION blocks for safe PostgreSQL procedures and functions. Focus: Control Flow and Error Handling.