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PostgreSQL 14.2 Documentation
#
PostgreSQL 14.2 Documentation
|PostgreSQL 14.2 Documentation| | | | |
|:---------------------------:|---|---|---|---------------------|
| | | | |
[
Next
](
preface.html
)
|
---
## Table of Contents
# PostgreSQL 14.2 Documentation
[
Preface
](
preface.html
)
[
1. What Is PostgreSQL?
](
intro-whatis.html
)
[
2. A Brief History of PostgreSQL
](
history.html
)
[
3. Conventions
](
notation.html
)
[
4. Further Information
](
resources.html
)
[
5. Bug Reporting Guidelines
](
bug-reporting.html
)
[
I. Tutorial
](
tutorial.html
)
[
1. Getting Started
](
tutorial-start.html
)
[
2. The SQL Language
](
tutorial-sql.html
)
[
3. Advanced Features
](
tutorial-advanced.html
)
[
II. The SQL Language
](
sql.html
)
[
4. SQL Syntax
](
sql-syntax.html
)
[
5. Data Definition
](
ddl.html
)
[
6. Data Manipulation
](
dml.html
)
[
7. Queries
](
queries.html
)
[
8. Data Types
](
datatype.html
)
[
9. Functions and Operators
](
functions.html
)
[
10. Type Conversion
](
typeconv.html
)
[
11. Indexes
](
indexes.html
)
[
12. Full Text Search
](
textsearch.html
)
[
13. Concurrency Control
](
mvcc.html
)
[
14. Performance Tips
](
performance-tips.html
)
[
15. Parallel Query
](
parallel-query.html
)
[
III. Server Administration
](
admin.html
)
[
16. Installation from Binaries
](
install-binaries.html
)
[
17. Installation from Source Code
](
installation.html
)
[
18. Installation from Source Code on Windows
](
install-windows.html
)
[
19. Server Setup and Operation
](
runtime.html
)
[
20. Server Configuration
](
runtime-config.html
)
[
21. Client Authentication
](
client-authentication.html
)
[
22. Database Roles
](
user-manag.html
)
[
23. Managing Databases
](
managing-databases.html
)
[
24. Localization
](
charset.html
)
[
25. Routine Database Maintenance Tasks
](
maintenance.html
)
[
26. Backup and Restore
](
backup.html
)
[
27. High Availability, Load Balancing, and Replication
](
high-availability.html
)
[
28. Monitoring Database Activity
](
monitoring.html
)
[
29. Monitoring Disk Usage
](
diskusage.html
)
[
30. Reliability and the Write-Ahead Log
](
wal.html
)
[
31. Logical Replication
](
logical-replication.html
)
[
32. Just-in-Time Compilation (JIT)
](
jit.html
)
[
33. Regression Tests
](
regress.html
)
[
IV. Client Interfaces
](
client-interfaces.html
)
[
34. libpq — C Library
](
libpq.html
)
[
35. Large Objects
](
largeobjects.html
)
[
36. ECPG — Embedded SQL in C
](
ecpg.html
)
[
37. The Information Schema
](
information-schema.html
)
[
V. Server Programming
](
server-programming.html
)
[
38. Extending SQL
](
extend.html
)
[
39. Triggers
](
triggers.html
)
[
40. Event Triggers
](
event-triggers.html
)
[
41. The Rule System
](
rules.html
)
[
42. Procedural Languages
](
xplang.html
)
[
43. PL/pgSQL — SQL Procedural Language
](
plpgsql.html
)
[
44. PL/Tcl — Tcl Procedural Language
](
pltcl.html
)
[
45. PL/Perl — Perl Procedural Language
](
plperl.html
)
[
46. PL/Python — Python Procedural Language
](
plpython.html
)
[
47. Server Programming Interface
](
spi.html
)
[
48. Background Worker Processes
](
bgworker.html
)
[
49. Logical Decoding
](
logicaldecoding.html
)
[
50. Replication Progress Tracking
](
replication-origins.html
)
[
VI. Reference
](
reference.html
)
[
I. SQL Commands
](
sql-commands.html
)
[
II. PostgreSQL Client Applications
](
reference-client.html
)
[
III. PostgreSQL Server Applications
](
reference-server.html
)
[
VII. Internals
](
internals.html
)
[
51. Overview of PostgreSQL Internals
](
overview.html
)
[
52. System Catalogs
](
catalogs.html
)
[
53. Frontend/Backend Protocol
](
protocol.html
)
[
54. PostgreSQL Coding Conventions
](
source.html
)
[
55. Native Language Support
](
nls.html
)
[
56. Writing a Procedural Language Handler
](
plhandler.html
)
[
57. Writing a Foreign Data Wrapper
](
fdwhandler.html
)
[
58. Writing a Table Sampling Method
](
tablesample-method.html
)
[
59. Writing a Custom Scan Provider
](
custom-scan.html
)
[
60. Genetic Query Optimizer
](
geqo.html
)
[
61. Table Access Method Interface Definition
](
tableam.html
)
[
62. Index Access Method Interface Definition
](
indexam.html
)
[
63. Generic WAL Records
](
generic-wal.html
)
[
64. B-Tree Indexes
](
btree.html
)
[
65. GiST Indexes
](
gist.html
)
[
66. SP-GiST Indexes
](
spgist.html
)
[
67. GIN Indexes
](
gin.html
)
### The PostgreSQL Global Development Group
[
68. BRIN Indexes
](
brin.html
)
Copyright © 1996–2022 The PostgreSQL Global Development Group
[
69. Hash Indexes
](
hash-index.html
)
[
Legal Notice
](
legalnotic
e.html
)
[
70. Database Physical Storage
](
storag
e.html
)
---
[
71. System Catalog Declarations and Initial Contents
](
bki.html
)
**Table of Contents**
[
72. How the Planner Uses Statistics
](
planner-stats-details.html
)
[
Preface
](
preface.html
)[
1. What Is PostgreSQL?
]
(intro-whatis.html)
[
2. A Brief History of PostgreSQL
](
history.html
)[
3. Conventions
]
(notation.html)
[
4. Further Information
](
resources.html
)[
5. Bug Reporting Guidelines
]
(bug-reporting.html)
[
I. Tutorial
](
tutorial.html
)[
1. Getting Started
]
(tutorial-start.html)
[
2. The SQL Language
](
tutorial-sql.html
)[
3. Advanced Features
]
(tutorial-advanced.html)
[
II. The SQL Language
](
sql.html
)[
4. SQL Syntax
]
(sql-syntax.html)
[
5. Data Definition
](
ddl.html
)[
6. Data Manipulation
]
(dml.html)
[
7. Queries
](
queries.html
)[
8. Data Types
]
(datatype.html)
[
9. Functions and Operators
](
functions.html
)[
10. Type Conversion
]
(typeconv.html)
[
11. Indexes
](
indexes.html
)[
12. Full Text Search
]
(textsearch.html)
[
13. Concurrency Control
](
mvcc.html
)[
14. Performance Tips
]
(performance-tips.html)
[
15. Parallel Query
](
parallel-query.html
)[
III. Server Administration
]
(admin.html)
[
16. Installation from Binaries
](
install-binaries.html
)[
17. Installation from Source Code
]
(installation.html)
[
18. Installation from Source Code on Windows
](
install-windows.html
)[
19. Server Setup and Operation
]
(runtime.html)
[
20. Server Configuration
](
runtime-config.html
)[
21. Client Authentication
]
(client-authentication.html)
[
22. Database Roles
](
user-manag.html
)[
23. Managing Databases
]
(managing-databases.html)
[
24. Localization
](
charset.html
)[
25. Routine Database Maintenance Tasks
]
(maintenance.html)
[
26. Backup and Restore
](
backup.html
)[
27. High Availability, Load Balancing, and Replication
]
(high-availability.html)
[
28. Monitoring Database Activity
](
monitoring.html
)[
29. Monitoring Disk Usage
]
(diskusage.html)
[
30. Reliability and the Write-Ahead Log
](
wal.html
)[
31. Logical Replication
]
(logical-replication.html)
[
32. Just-in-Time Compilation (JIT)
](
jit.html
)[
33. Regression Tests
]
(regress.html)
[
IV. Client Interfaces
](
client-interfaces.html
)[
34. libpq — C Library
]
(libpq.html)
[
35. Large Objects
](
largeobjects.html
)[
36. ECPG — Embedded SQL in C
]
(ecpg.html)
[
37. The Information Schema
](
information-schema.html
)[
V. Server Programming
]
(server-programming.html)
[
38. Extending SQL
](
extend.html
)[
39. Triggers
]
(triggers.html)
[
40. Event Triggers
](
event-triggers.html
)[
41. The Rule System
]
(rules.html)
[
42. Procedural Languages
](
xplang.html
)[
43. PL/pgSQL — SQL Procedural Language
]
(plpgsql.html)
[
44. PL/Tcl — Tcl Procedural Language
](
pltcl.html
)[
45. PL/Perl — Perl Procedural Language
]
(plperl.html)
[
46. PL/Python — Python Procedural Language
](
plpython.html
)[
47. Server Programming Interface
]
(spi.html)
[
48. Background Worker Processes
](
bgworker.html
)[
49. Logical Decoding
]
(logicaldecoding.html)
[
50. Replication Progress Tracking
](
replication-origins.html
)[
VI. Reference
]
(reference.html)
[
I. SQL Commands
](
sql-commands.html
)[
II. PostgreSQL Client Applications
]
(reference-client.html)
[
III. PostgreSQL Server Applications
](
reference-server.html
)[
VII. Internals
]
(internals.html)
[
51. Overview of PostgreSQL Internals
](
overview.html
)[
52. System Catalogs
]
(catalogs.html)
[
53. Frontend/Backend Protocol
](
protocol.html
)[
54. PostgreSQL Coding Conventions
]
(source.html)
[
55. Native Language Support
](
nls.html
)[
56. Writing a Procedural Language Handler
]
(plhandler.html)
[
57. Writing a Foreign Data Wrapper
](
fdwhandler.html
)[
58. Writing a Table Sampling Method
]
(tablesample-method.html)
[
59. Writing a Custom Scan Provider
](
custom-scan.html
)[
60. Genetic Query Optimizer
]
(geqo.html)
[
61. Table Access Method Interface Definition
](
tableam.html
)[
62. Index Access Method Interface Definition
]
(indexam.html)
[
63. Generic WAL Records
](
generic-wal.html
)[
64. B-Tree Indexes
]
(btree.html)
[
65. GiST Indexes
](
gist.html
)[
66. SP-GiST Indexes
]
(spgist.html)
[
67. GIN Indexes
](
gin.html
)[
68. BRIN Indexes
]
(brin.html)
[
69. Hash Indexes
](
hash-index.html
)[
70. Database Physical Storage
]
(storage.html)
[
71. System Catalog Declarations and Initial Contents
](
bki.html
)[
72. How the Planner Uses Statistics
]
(planner-stats-details.html)
[
73. Backup Manifest Format
](
backup-manifest-format.html
)[
VIII. Appendixes
]
(appendixes.html)
[
A. PostgreSQL Error Codes
](
errcodes-appendix.html
)[
B. Date/Time Support
]
(datetime-appendix.html)
[
C. SQL Key Words
](
sql-keywords-appendix.html
)[
D. SQL Conformance
]
(features.html)
[
E. Release Notes
](
release.html
)[
F. Additional Supplied Modules
]
(contrib.html)
[
G. Additional Supplied Programs
](
contrib-prog.html
)[
H. External Projects
]
(external-projects.html)
[
I. The Source Code Repository
](
sourcerepo.html
)[
J. Documentation
]
(docguide.html)
[
K. PostgreSQL Limits
](
limits.html
)[
L. Acronyms
]
(acronyms.html)
[
M. Glossary
](
glossary.html
)[
N. Color Support
]
(color.html)
[
O. Obsolete or Renamed Features
](
appendix-obsolete.html
)[
Bibliography
]
(biblio.html)
[
Index
](
bookindex
.html
)
[
73. Backup Manifest Format
](
backup-manifest-format
.html
)
---
[
VIII. Appendixes
](
appendixes.html
)
| | |
[
Next
](
preface.html
)
|
|:--|:-:|--------------------:|
| | | Preface |
[
A. PostgreSQL Error Codes
](
errcodes-appendix.html
)
[
B. Date/Time Support
](
datetime-appendix.html
)
[
C. SQL Key Words
](
sql-keywords-appendix.html
)
[
D. SQL Conformance
](
features.html
)[
E. Release Notes
]
(release.html)
[
F. Additional Supplied Modules
](
contrib.html
)
[
G. Additional Supplied Programs
](
contrib-prog.html
)
[
H. External Projects
](
external-projects.html
)
[
I. The Source Code Repository
](
sourcerepo.html
)
[
J. Documentation
](
docguide.html
)
[
K. PostgreSQL Limits
](
limits.html
)
[
L. Acronyms
](
acronyms.html
)
[
M. Glossary
](
glossary.html
)
[
N. Color Support
](
color.html
)
[
O. Obsolete or Renamed Features
](
appendix-obsolete.html
)
//
\<
![CDATA[
\<
-- For SVG support if ('WebSocket' in window) { (function() { function refreshCSS() { var sheets = [].slice.call(document.getElementsByTagName("link")); var head = document.getElementsByTagName("head")[0]; for (var i = 0; i
\<
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cacheOverride=
\\
d+/, ''); elem.href = url + (url.indexOf('?')
\>
= 0 ? '&' : '?') + '
\_
cacheOverride=' + (new Date().valueOf()); } head.appendChild(elem); } } var protocol = window.location.protocol === 'http:' ? 'ws://' : 'wss://'; var address = protocol + window.location.host + window.location.pathname + '/ws'; var socket = new WebSocket(address); socket.onmessage = function(msg) { if (msg.data == 'reload') window.location.reload(); else if (msg.data == 'refreshcss') refreshCSS(); }; console.log('Live reload enabled.'); })(); } // ]]
\>
\ No newline at end of file
[
Bibliography
](
biblio.html
)
[
Index
](
bookindex.html
)
\ No newline at end of file
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