November 14, 2024: PostgreSQL 17.1, 16.5, 15.9, 14.14, 13.17, and 12.21 Released!
Supported Versions: Current (17) / 16 / 15 / 14 / 13
Development Versions: devel
Unsupported versions: 12 / 11 / 10 / 9.6 / 9.5 / 9.4 / 9.3 / 9.2 / 9.1 / 9.0 / 8.4 / 8.3 / 8.2 / 8.1 / 8.0 / 7.4 / 7.3 / 7.2
This documentation is for an unsupported version of PostgreSQL.
You may want to view the same page for the current version, or one of the other supported versions listed above instead.

PostgreSQL 9.3.25 Documentation

The PostgreSQL Global Development Group

Copyright © 1996-2018 The PostgreSQL Global Development Group

Table of Contents
Preface
What is PostgreSQL?
A Brief History of PostgreSQL
Conventions
Further Information
Bug Reporting Guidelines
I. Tutorial
1. Getting Started
2. The SQL Language
3. Advanced Features
II. The SQL Language
4. SQL Syntax
5. Data Definition
6. Data Manipulation
7. Queries
8. Data Types
9. Functions and Operators
10. Type Conversion
11. Indexes
12. Full Text Search
13. Concurrency Control
14. Performance Tips
III. Server Administration
15. Installation from Source Code
16. Installation from Source Code on Windows
17. Server Setup and Operation
18. Server Configuration
19. Client Authentication
20. Database Roles
21. Managing Databases
22. Localization
23. Routine Database Maintenance Tasks
24. Backup and Restore
25. High Availability, Load Balancing, and Replication
26. Recovery Configuration
27. Monitoring Database Activity
28. Monitoring Disk Usage
29. Reliability and the Write-Ahead Log
30. Regression Tests
IV. Client Interfaces
31. libpq - C Library
32. Large Objects
33. ECPG - Embedded SQL in C
34. The Information Schema
V. Server Programming
35. Extending SQL
36. Triggers
37. Event Triggers
38. The Rule System
39. Procedural Languages
40. PL/pgSQL - SQL Procedural Language
41. PL/Tcl - Tcl Procedural Language
42. PL/Perl - Perl Procedural Language
43. PL/Python - Python Procedural Language
44. Server Programming Interface
45. Background Worker Processes
VI. Reference
I. SQL Commands
II. PostgreSQL Client Applications
III. PostgreSQL Server Applications
VII. Internals
46. Overview of PostgreSQL Internals
47. System Catalogs
48. Frontend/Backend Protocol
49. PostgreSQL Coding Conventions
50. Native Language Support
51. Writing A Procedural Language Handler
52. Writing A Foreign Data Wrapper
53. Genetic Query Optimizer
54. Index Access Method Interface Definition
55. GiST Indexes
56. SP-GiST Indexes
57. GIN Indexes
58. Database Physical Storage
59. BKI Backend Interface
60. How the Planner Uses Statistics
VIII. Appendixes
A. PostgreSQL Error Codes
B. Date/Time Support
C. SQL Key Words
D. SQL Conformance
E. Release Notes
F. Additional Supplied Modules
G. Additional Supplied Programs
H. External Projects
I. The Source Code Repository
J. Documentation
K. Acronyms
Bibliography
Index
    Next
    Preface