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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.

Related Terms

NoSQL
A category of databases that store data in non-tabular formats, optimized for specific data models and access patterns.
Migration
A version-controlled change to a database schema that can be applied and reversed systematically.
Database Proxy
A middleware server that sits between applications and databases, providing connection pooling, load balancing, and query routing.
Upsert
A database operation that inserts a new row if it does not exist, or updates the existing row if it does.
EXPLAIN ANALYZE
A PostgreSQL command that shows the execution plan of a query along with actual runtime statistics for performance tuning.
CTE (Common Table Expression)
A temporary named result set defined within a SQL statement using the WITH clause, improving query readability and enabling recursion.
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