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  • PostgreSQL命令行交互命令

    postgres=# help
    You are using psql, the command-line interface to PostgreSQL.
    Type:  copyright for distribution terms
           h for help with SQL commands
           ? for help with psql commands
           g or terminate with semicolon to execute query
           q to quit
    postgres=# ?
    General
      copyright             show PostgreSQL usage and distribution terms
      errverbose            show most recent error message at maximum verbosity
      g [FILE] or ;         execute query (and send results to file or |pipe)
      gexec                 execute query, then execute each value in its result
      gset [PREFIX]         execute query and store results in psql variables
      q                     quit psql
      crosstabview [COLUMNS] execute query and display results in crosstab
      watch [SEC]           execute query every SEC seconds
    
    Help
      ? [commands]          show help on backslash commands
      ? options             show help on psql command-line options
      ? variables           show help on special variables
      h [NAME]              help on syntax of SQL commands, * for all commands
    
    Query Buffer
      e [FILE] [LINE]       edit the query buffer (or file) with external editor
      ef [FUNCNAME [LINE]]  edit function definition with external editor
      ev [VIEWNAME [LINE]]  edit view definition with external editor
      p                     show the contents of the query buffer
      
                         reset (clear) the query buffer
      s [FILE]              display history or save it to file
      w FILE                write query buffer to file
    
    Input/Output
      copy ...              perform SQL COPY with data stream to the client host
      echo [STRING]         write string to standard output
      i FILE                execute commands from file
      ir FILE               as i, but relative to location of current script
      o [FILE]              send all query results to file or |pipe
      qecho [STRING]        write string to query output stream (see o)
    
    Informational
      (options: S = show system objects, + = additional detail)
      d[S+]                 list tables, views, and sequences
      d[S+]  NAME           describe table, view, sequence, or index
      da[S]  [PATTERN]      list aggregates
      dA[+]  [PATTERN]      list access methods
      db[+]  [PATTERN]      list tablespaces
      dc[S+] [PATTERN]      list conversions
      dC[+]  [PATTERN]      list casts
      dd[S]  [PATTERN]      show object descriptions not displayed elsewhere
      ddp    [PATTERN]      list default privileges
      dD[S+] [PATTERN]      list domains
      det[+] [PATTERN]      list foreign tables
      des[+] [PATTERN]      list foreign servers
      deu[+] [PATTERN]      list user mappings
      dew[+] [PATTERN]      list foreign-data wrappers
      df[antw][S+] [PATRN]  list [only agg/normal/trigger/window] functions
      dF[+]  [PATTERN]      list text search configurations
      dFd[+] [PATTERN]      list text search dictionaries
      dFp[+] [PATTERN]      list text search parsers
      dFt[+] [PATTERN]      list text search templates
      dg[S+] [PATTERN]      list roles
      di[S+] [PATTERN]      list indexes
      dl                    list large objects, same as lo_list
      dL[S+] [PATTERN]      list procedural languages
      dm[S+] [PATTERN]      list materialized views
      dn[S+] [PATTERN]      list schemas
      do[S]  [PATTERN]      list operators
      dO[S+] [PATTERN]      list collations
      dp     [PATTERN]      list table, view, and sequence access privileges
      drds [PATRN1 [PATRN2]] list per-database role settings
      ds[S+] [PATTERN]      list sequences
      dt[S+] [PATTERN]      list tables
      dT[S+] [PATTERN]      list data types
      du[S+] [PATTERN]      list roles
      dv[S+] [PATTERN]      list views
      dE[S+] [PATTERN]      list foreign tables
      dx[+]  [PATTERN]      list extensions
      dy     [PATTERN]      list event triggers
      l[+]   [PATTERN]      list databases
      sf[+]  FUNCNAME       show a function's definition
      sv[+]  VIEWNAME       show a view's definition
      z      [PATTERN]      same as dp
    
    Formatting
      a                     toggle between unaligned and aligned output mode
      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 := {border|columns|expanded|fieldsep|fieldsep_zero|
                             footer|format|linestyle|null|numericlocale|pager|
                             pager_min_lines|recordsep|recordsep_zero|tableattr|title|
                             tuples_only|unicode_border_linestyle|
                             unicode_column_linestyle|unicode_header_linestyle})
      	 [on|off]            show only rows (currently off)
      T [STRING]            set HTML <table> tag attributes, or unset if none
      x [on|off|auto]       toggle expanded output (currently off)
    
    Connection
      c[onnect] {[DBNAME|- USER|- HOST|- PORT|-] | conninfo}
                             connect to new database (currently "postgres")
      encoding [ENCODING]   show or set client encoding
      password [USERNAME]   securely change the password for a user
      conninfo              display information about current connection
    
    Operating System
      cd [DIR]              change the current working directory
      setenv NAME [VALUE]   set or unset environment variable
      	iming [on|off]       toggle timing of commands (currently off)
      ! [COMMAND]           execute command in shell or start interactive shell
    
    Variables
      prompt [TEXT] NAME    prompt user to set internal variable
      set [NAME [VALUE]]    set internal variable, or list all if no parameters
      unset NAME            unset (delete) internal variable
    
    Large Objects
      lo_export LOBOID FILE
      lo_import FILE [COMMENT]
      lo_list
      lo_unlink LOBOID      large object operations
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  • 原文地址:https://www.cnblogs.com/144823836yj/p/12626729.html
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