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       ALTER SERVER - change the definition of a foreign server


       ALTER SERVER servername [ VERSION ’newversion’ ]
           [ OPTIONS ( [ ADD | SET | DROP ] option [’value’] [, ... ] ) ]
       ALTER SERVER servername OWNER TO new_owner


       ALTER SERVER changes the definition of a foreign server. The first form
       changes the server version string or the generic options of the  server
       (at  least  one clause is required).  The second form changes the owner
       of the server.

       To alter the server you must be the owner of the server.   Additionally
       to  alter  the  owner,  you must own the server and also be a direct or
       indirect member of the  new  owning  role,  and  you  must  have  USAGE
       privilege  on  the server’s foreign-data wrapper. (Note that superusers
       satisfy all these criteria automatically.)


              The name of an existing server.

              New server version.

       OPTIONS ( [ ADD | SET | DROP ] option [value] [, ... ] )
              Change options for the server. ADD, SET, and  DROP  specify  the
              action  to  be  performed.  ADD  is  assumed  if no operation is
              explicitly specified. Option names must  be  unique;  names  and
              values  are  also  validated  using  the  server’s  foreign-data
              wrapper library.


       Alter server foo, add connection options:

       ALTER SERVER foo OPTIONS (host ’foo’, dbname ’foodb’);

       Alter server foo, change version, change host option:

       ALTER SERVER foo VERSION ’8.4’ OPTIONS (SET host ’baz’);


       ALTER SERVER conforms to ISO/IEC 9075-9 (SQL/MED).


       CREATE SERVER [create_server(7)], DROP SERVER [drop_server(7)]