VIEW-EXISTS-P — Tests for the existence of a database view.
Function
nameThe name of the view as a string, symbol or SQL expression.
owner
              A string, NIL or :all. 
            
databaseA database object which defaults to *default-database*.
resultA Boolean.
Tests for the existence of an SQL view called
      name in database
      which defaults to *default-database*.
      owner is NIL by default which means
      that only views owned by users are examined. If
      owner is a string denoting a user name,
      only views owned by owner are
      examined. If owner is
      :all then all views are examined.