Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!bloom-beacon!bu-cs!purdue!decwrl!sun!pitstop!sundc!seismo!uunet!mcvax!enea!tut!ujocs!vaisanen
From: vaisanen@ujocs.UUCP (Jarmo V{is{nen)
Newsgroups: comp.databases
Subject: Re: SQL = 4GL ???
Summary: What's the difference btw 4GL and AG
Message-ID: <4093@ujocs.UUCP>
Date: 1 Sep 88 11:07:46 GMT
References: <24484@bu-cs.BU.EDU> <5172@pasteur.Berkeley.EDU>
Organization: University of Joensuu, Finland
Lines: 37


From article <5172@pasteur.Berkeley.EDU>, by larry@postgres.uucp (Larry Rowe):
> 
> I have developed the following definition of a 4GL.
> 
> 	``A fourth generation language (4GL) is an integrated programming
> 	environment for interactive database applications that must include
> 	the following features:
> 
> 	     1. a database management system,
> 	     2.	a reportwriter,
> 	     3. a forms system,
> 	     4. a procedural language with embedded database and form 
> 		input/output commands, and
> 	     5.	an integrated data dictionary.''
> 
> A 4GL can include other features (e.g., version control, wysiwyg report/form
> editors, structured editors, etc.), but it *must* include the features above.
> Notice that the definition does not prescribe a relational DBMS, but most
> 4GL's today are being converted to SQL so they are relational.
> 	larry

What is the difference between a 4GL and an application generator
if you use this definition (or something else)?
What is an application generator anyway?

Jarmo


------------------------------------------------------------------------------
! Jarmo V{is{nen		  ! Actually that's Jarmo Vaisanen where last!
! Department of Computer Science, ! two a:s are with two dots above them.    ! 
! University of Joensuu		  !					     !
! P.O. Box 111,			  ! [Why do we have these punctuation chars  !
! SF-80101 JOENSUU FINLAND	  ! in our names? I may as well change my    !
! vaisanen@ujocs.Joensuu.FI       ! name.  Sigh! ... :-]		     !
------------------------------------------------------------------------------