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Unsupported versions: 7.3 / 7.2 / 7.1
Historical version. PostgreSQL 7.3 reached end of support in November 2007. See the current manual for supported releases.
PostgreSQL 7.3.21 Documentation
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III. Procedural Languages

This part documents the procedural languages available in the PostgreSQL distribution as well as general issues concerning procedural languages.

Table of Contents
18. Procedural Languages
18.1. Introduction
18.2. Installing Procedural Languages
19. PL/pgSQL - SQL Procedural Language
19.1. Overview
19.2. Structure of PL/pgSQL
19.3. Declarations
19.4. Expressions
19.5. Basic Statements
19.6. Control Structures
19.7. Cursors
19.8. Errors and Messages
19.9. Trigger Procedures
19.10. Examples
19.11. Porting from Oracle PL/SQL
20. PL/Tcl - Tcl Procedural Language
20.1. Overview
20.2. Description
21. PL/Perl - Perl Procedural Language
21.1. PL/Perl Functions and Arguments
21.2. Data Values in PL/Perl
21.3. Database Access from PL/Perl
21.4. Trusted and Untrusted PL/Perl
21.5. Missing Features
22. PL/Python - Python Procedural Language
22.1. PL/Python Functions
22.2. Trigger Functions
22.3. Database Access
22.4. Restricted Environment
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Examples Up Procedural Languages

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