Read PostgreSQL 13 documentation

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PostgreSQL 13 Documentation:

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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
    • 1.1. Installation
    • 1.2. Architectural Fundamentals
    • 1.3. Creating a Database
    • 1.4. Accessing a Database
  • 2. The SQL Language
    • 2.1. Introduction
    • 2.2. Concepts
    • 2.3. Creating a New Table
    • 2.4. Populating a Table With Rows
    • 2.5. Querying a Table
    • 2.6. Joins Between Tables
    • 2.7. Aggregate Functions
    • 2.8. Updates
    • 2.9. Deletions
  • 3. Advanced Features
    • 3.1. Introduction
    • 3.2. Views
    • 3.3. Foreign Keys
    • 3.4. Transactions
    • 3.5. Window Functions
    • 3.6. Inheritance
    • 3.7. Conclusion
• 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
  • 72. 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
  • G. Additional Supplied Programs
  • H. External Projects
  • I. The Source Code Repository
  • J. Documentation
  • K. PostgreSQL Limits
  • L. Acronyms
  • M. Glossary
  • N. Color Support
  • O. Obsolete or Renamed Features