PostgreSQL 18.0 Documentation
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PostgreSQL 18.0 Documentation

The PostgreSQL Global Development Group

Copyright © 1996–2025 The PostgreSQL Global Development Group

Table of Contents

1. What Is PostgreSQL?
2. A Brief History of PostgreSQL
3. Conventions
4. Further Information
5. 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
15. Parallel Query

III. Server Administration

16. Installation from Source Code
17. Binary Installation
18. Server Setup and Operation
19. Server Configuration
20. Client Authentication
21. Database Roles
22. Managing Databases
23. Localization
24. Routine Database Maintenance Tasks
25. Backup and Restore
26. High Availability, Load Balancing, and Replication
27. Monitoring Database Activity
28. Reliability and the Write-Ahead Log
29. Logical Replication
30. Just-in-Time Compilation (JIT)
31. Regression Tests
32. Troubleshooting

IV. Client Interfaces

33. libpq — C Library
34. Large Objects
35. ECPG — Embedded SQL in C
36. The Information Schema

V. Server Programming

37. Extending SQL
38. Triggers
39. Event Triggers
40. The Rule System
41. Procedural Languages
42. PL/pgSQL — SQL Procedural Language
43. PL/Tcl — Tcl Procedural Language
44. PL/Perl — Perl Procedural Language
45. PL/Python — Python Procedural Language
46. Server Programming Interface
47. Background Worker Processes
48. Logical Decoding
49. Replication Progress Tracking
50. Archive Modules
51. OAuth Validator Modules

VI. Reference

I. SQL Commands
II. PostgreSQL Client Applications
III. PostgreSQL Server Applications

VII. Internals

52. Overview of PostgreSQL Internals
53. System Catalogs
54. System Views
55. Frontend/Backend Protocol
56. PostgreSQL Coding Conventions
57. Native Language Support
58. Writing a Procedural Language Handler
59. Writing a Foreign Data Wrapper
60. Writing a Table Sampling Method
61. Writing a Custom Scan Provider
62. Genetic Query Optimizer
63. Table Access Method Interface Definition
64. Index Access Method Interface Definition
65. Write Ahead Logging for Extensions
66. Built-in Index Access Methods
67. Database Physical Storage
68. Transaction Processing
69. System Catalog Declarations and Initial Contents
70. How the Planner Uses Statistics
71. Backup Manifest Format

VIII. Appendixes

A. PostgreSQL Error Codes
B. Date/Time Support
C. SQL Key Words
D. SQL Conformance
E. Release Notes
F. Additional Supplied Modules and Extensions
G. Additional Supplied Programs
H. External Projects
I. The Source Code Repository
J. Documentation
K. Configuring PostgreSQL for 1C Solutions
L. PostgreSQL Limits
M. Acronyms
N. Glossary
O. Color Support
P. Obsolete or Renamed Features

Bibliography

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