\h \help

\h \help displays help information about the meta-commands. Works the same as \?.

=> \h
General
   \c[onnect] [DBNAME|- [USER]]
                  connect to new database (currently "VMart")
   \cd [DIR]      change the current working directory
   \q             quit vsql
   \set [NAME [VALUE]]
                  set internal variable, or list all if no parameters
   \timing        toggle timing of commands (currently off)
   \unset NAME    unset (delete) internal variable
   \! [COMMAND]   execute command in shell or start interactive shell
   \password [USER]
                  change user's password
Query Buffer
   \e [FILE]      edit the query buffer (or file) with external editor
   \g             send query buffer to server
   \g FILE        send query buffer to server and results to file
   \g | COMMAND   send query buffer to server and pipe results to command
   \p             show the contents of the query buffer
   \r             reset (clear) the query buffer
   \s [FILE]      display history or save it to file
   \w FILE        write query buffer to file
Input/Output
   \echo [STRING] write string to standard output
   \i FILE        execute commands from file
   \o FILE        send all query results to file
   \o | COMMAND   pipe all query results to command
   \o             close query-results file or pipe
   \qecho [STRING]
                  write string to query output stream (see \o)
Informational
   \d [PATTERN]   describe tables (list tables if no argument is supplied)
   \df [PATTERN]  list functions
   \dj [PATTERN]  list projections
   \dn [PATTERN]  list schemas
   \dp [PATTERN]  list table access privileges
   \ds [PATTERN]  list sequences
   \dS [PATTERN]  list system tables
   \dt [PATTERN]  list tables
   \dtv [PATTERN] list tables and views
   \dT [PATTERN]  list data types
   \du [PATTERN]  list users
   \dv [PATTERN]  list views
   \l             list all databases
   \z [PATTERN]   list table access privileges (same as \dp)
Formatting
   \a             toggle between unaligned and aligned output mode
   \b             toggle beep on command completion
   \C [STRING]    set table title, or unset if none
   \f [STRING]    show or set field separator for unaligned query output
   \H             toggle HTML output mode (currently off)
   \pset NAME [VALUE]
                  set table output option
                  (NAME := {format|border|expanded|fieldsep|footer|null|
                  recordsep|tuples_only|title|tableattr|pager})
   \t             show only rows (currently off)
   \T [STRING]    set HTML <table> tag attributes, or unset if none
   \x             toggle expanded output (currently off)