CREATE TABLE Vendors
(
  vend_id      char(10) NOT NULL ,
  vend_name    char(50) NOT NULL ,
  vend_address char(50) NULL ,
  vend_city    char(50) NULL ,
  vend_state   char(5)  NULL ,
  vend_zip     char(10) NULL ,
  vend_country char(50) NULL 
);
melkij=> select generate_series(1,3);
 generate_series 
-----------------
               1
               2
               3
(3 строки)
melkij=> \x
Расширенный вывод включён.
melkij=> select generate_series(1,3);
-[ RECORD 1 ]---+--
generate_series | 1
-[ RECORD 2 ]---+--
generate_series | 2
-[ RECORD 3 ]---+--
generate_series | 3