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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

Connection String
A formatted string containing all parameters needed to establish a connection to a database server.
ACID
A set of four properties (Atomicity, Consistency, Isolation, Durability) that guarantee reliable database transactions.
Materialized View
A database object that stores the precomputed result of a query, offering faster reads at the cost of periodic refresh.
Database Connection Pooling
A technique that maintains a cache of database connections for reuse, reducing the overhead of creating new connections.
Transaction
A sequence of database operations that are treated as a single unit — either all succeed or all are rolled back.
EXPLAIN ANALYZE
A PostgreSQL command that shows the execution plan of a query along with actual runtime statistics for performance tuning.
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