Получение списка команд psql booktown=# \?
Листинг 4.2. Получение списка команд psql booktown=# \?
\а toggle between unaligned and aligned mode
\c[onnect] [dbname|- [user]]
connect to new database (currently 'booktown')
\C <title>
table title
\copy... perform SQL COPY with data stream to the client machine
\copyright show PostgreSQL usage and distribution terms
\d <table>
describe table (or view, index, sequence)
\d{t|i|s|v} list tables/indices/sequences/views
\d{p|S|l} list permissions/system tables/lobjects
\da list aggregates
\dd [object] list comment for table, type, function, or operator
\df list functions
\do list operators
\dT list data types
\e [file] edit the current query buffer or [file] with external editor
\echo <text>
write text to stdout
\encoding <encoding>
set client encoding
\f <sep>
change field separator
\g [file] send query to backend (and results in [file] or (pipe)
\h [cmd] help on syntax of sql commands. * for all commands
\H toggle HTML mode (currently off)
\i<file>
read and execute queries from <file>
\l list all databases
\lo_export. \lo_import, \lo_list. \lo_unlink
Targe object operations
\o [file] send all query results to [file], or (pipe
\p show the content of the current query buffer
\pset <opt>
set table output <opt>
= {format|border|expanded|fieldsep|
null|recordsep|tuples_only|title|tableattr|pagerj
\q quit psql
\qecho <text>
write text to query output stream (see \o) .
\r reset (clear) the query buffer
\s [file] print history or save it in [file] \set <var>
<value>
set internal variable
\t show only rows (currently off)
\T <tags>
HTML table tags
\unset <var>
unset (delete) internal variable
\w <file>
write current query buffer to a <file>
\x toggle expanded output (currently off)
\z list table access permissions
\! [cmd] shell escape or command