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PostgreSQL 12.22 Documentation
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PostgreSQL 12.22 Documentation

The PostgreSQL Global Development Group

Legal Notice

Table of Contents

Preface

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. Installation from Source Code on Windows
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. Monitoring Disk Usage
29. Reliability and the Write-Ahead Log
30. Logical Replication
31. Just-in-Time Compilation (JIT)
32. Regression Tests

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

VI. Reference

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

VII. Internals

50. Overview of PostgreSQL Internals
51. System Catalogs
52. Frontend/Backend Protocol
53. PostgreSQL Coding Conventions
54. Native Language Support
55. Writing a Procedural Language Handler
56. Writing a Foreign Data Wrapper
57. Writing a Table Sampling Method
58. Writing a Custom Scan Provider
59. Genetic Query Optimizer
60. Table Access Method Interface Definition
61. Index Access Method Interface Definition
62. Generic WAL Records
63. B-Tree Indexes
64. GiST Indexes
65. SP-GiST Indexes
66. GIN Indexes
67. BRIN Indexes
68. Hash Indexes
69. Database Physical Storage
70. System Catalog Declarations and Initial Contents
71. 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. PostgreSQL Limits
L. Acronyms
M. Obsolete or Renamed Features

Bibliography

Index

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