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PostgreSQL 9.4.26 Documentation
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Appendix K. Acronyms

This is a list of acronyms commonly used in the PostgreSQL documentation and in discussions about PostgreSQL.

ANSI: American National Standards Institute
API: Application Programming Interface
ASCII: American Standard Code for Information Interchange
BKI: Backend Interface
CA: Certificate Authority
CIDR: Classless Inter-Domain Routing
CPAN: Comprehensive Perl Archive Network
CRL: Certificate Revocation List
CSV: Comma Separated Values
CTE: Common Table Expression
CVE: Common Vulnerabilities and Exposures
DBA: Database Administrator
DBI: Database Interface (Perl)
DBMS: Database Management System
DDL: Data Definition Language, SQL commands such as CREATE TABLE, ALTER USER
DML: Data Manipulation Language, SQL commands such as INSERT, UPDATE, DELETE
DST: Daylight Saving Time
ECPG: Embedded C for PostgreSQL
ESQL: Embedded SQL
FAQ: Frequently Asked Questions
FSM: Free Space Map
GEQO: Genetic Query Optimizer
GIN: Generalized Inverted Index
GiST: Generalized Search Tree
Git: Git
GMT: Greenwich Mean Time
GSSAPI: Generic Security Services Application Programming Interface
GUC: Grand Unified Configuration, the PostgreSQL subsystem that handles server configuration
HBA: Host-Based Authentication
HOT: Heap-Only Tuples
IEC: International Electrotechnical Commission
IEEE: Institute of Electrical and Electronics Engineers
IPC: Inter-Process Communication
ISO: International Organization for Standardization
ISSN: International Standard Serial Number
JDBC: Java Database Connectivity
LDAP: Lightweight Directory Access Protocol
MSVC: Microsoft Visual C
MVCC: Multi-Version Concurrency Control
NLS: National Language Support
ODBC: Open Database Connectivity
OID: Object Identifier
OLAP: Online Analytical Processing
OLTP: Online Transaction Processing
ORDBMS: Object-Relational Database Management System
PAM: Pluggable Authentication Modules
PGSQL: PostgreSQL
PGXS: PostgreSQL Extension System
PID: Process Identifier
PITR: Point-In-Time Recovery (Continuous Archiving)
PL: Procedural Languages (server-side)
POSIX: Portable Operating System Interface
RDBMS: Relational Database Management System
RFC: Request For Comments
SGML: Standard Generalized Markup Language
SPI: Server Programming Interface
SP-GiST: Space-Partitioned Generalized Search Tree
SQL: Structured Query Language
SRF: Set-Returning Function
SSH: Secure Shell
SSL: Secure Sockets Layer
SSPI: Security Support Provider Interface
SYSV: Unix System V
TCP/IP: Transmission Control Protocol (TCP) / Internet Protocol (IP)
TID: Tuple Identifier
TOAST: The Oversized-Attribute Storage Technique
TPC: Transaction Processing Performance Council
URL: Uniform Resource Locator
UTC: Coordinated Universal Time
UTF: Unicode Transformation Format
UTF8: Eight-Bit Unicode Transformation Format
UUID: Universally Unique Identifier
WAL: Write-Ahead Log
XID: Transaction Identifier
XML: Extensible Markup Language

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