Wiki / psql Commands / Scripting and assistance
\?
Shows help information. The optional topic parameter (defaulting to commands ) selects which part of psql is explained: commands describes psql 's backslash commands; options describes the command-line options that can be passed to psql ; and variab…
Reading PostgreSQL 18.6.
Description
Shows help information. The optional topic parameter (defaulting to commands ) selects which part of psql is explained: commands describes psql 's backslash commands; options describes the command-line options that can be passed to psql ; and variables shows help about psql configuration variables.
- Client
- psql 18.6
- Case-sensitive spelling
- \?
Usage
\? [ topic ]Spellings in this manual definition
| Command | Documented suffix modifiers |
|---|---|
| \? | None listed in this signature |
Manual definition
\? [topic]-
Shows help information. The optional
topicparameter (defaulting tocommands) selects which part of psql is explained:commandsdescribes psql's backslash commands;optionsdescribes the command-line options that can be passed to psql; andvariablesshows help about psql configuration variables.
Related entries
Documentation and source
Source build
- Version
- 18.6
- Build
- https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2
- Source fingerprint
ee8d1a3612338fd9adf250730cb640fcc5233b5491337cc00a316a44e3a0b9f8
Compare versions
PostgreSQL 17 → 18: unchanged.
Compares recorded interfaces and attributes. Source fingerprints and build metadata are excluded; an absent sample is not proof of the introduction or removal release.
Related entries
Export JSON · Back to psql Commands · Recorded in PostgreSQL 10 through 20; the first sample is not necessarily its introduction.