Databases Intermediate

What is Stored Procedure?

A precompiled collection of SQL statements stored in the database that can be executed as a single unit.

Stored procedures encapsulate complex database logic on the server side. They accept parameters, perform operations, and return results. Benefits include reduced network traffic, code reuse, and centralized business logic.

In PostgreSQL, functions (CREATE FUNCTION) serve a similar purpose, supporting PL/pgSQL, PL/Python, and other languages. Modern development often favors application-level logic, but stored procedures remain valuable for complex data operations.

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Related Terms

A centralized repository optimized for analytical queries that integrates data from multiple operational sources.

Row-Level Security (RLS)

A database feature that restricts which rows a user can access in a table based on security policies.

Write-Ahead Log (WAL)

A technique where changes are first written to a log before being applied to the database, ensuring crash recovery and data integrity.

A version-controlled change to a database schema that can be applied and reversed systematically.

A sequence of database operations that are treated as a single unit — either all succeed or all are rolled back.

A database operation that inserts a new row if it does not exist, or updates the existing row if it does.

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