This is a list of acronyms commonly used in the PostgreSQL documentation and in discussions about PostgreSQL.
Data Definition Language, SQL commands such as CREATE TABLE, ALTER USER
Data Manipulation Language, SQL commands such as INSERT, UPDATE, DELETE
Grand Unified Configuration, the PostgreSQL subsystem that handles server configuration
Log Sequence Number, see pg_lsn and WAL Internals.
Point-In-Time Recovery (Continuous Archiving)
Transmission Control Protocol (TCP) / Internet Protocol (IP)