Is there a place for 4GLs anymore?
Deskin, Bob
Bob.Deskin@Cognos.COM
Wed, 7 May 2003 08:32:44 -0400
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I did a Google search for "computer language generations" and of course
found a variety of definitions, even for 4GL. I don't think there's a real
5GL out there yet. Maybe more AI plus OO plus non-procedural.
This one doesn't have 5GL but does mention PowerHouse under 4GL.
http://www.sxu.edu/~rogers/sys/generations.html
Here are some with 5GL definitions.
http://www.cs.mdx.ac.uk/staffpages/mattsmith/com0001/week9/sld016.htm
http://whatis.techtarget.com/definition/0,,sid9_gci211502,00.html
Bob
-----Original Message-----
From: stewm@canada.com [mailto:stewm@canada.com]
Sent: Wednesday, May 07, 2003 8:21 AM
To: powerh-l@lists.swau.edu
Subject: Is there a place for 4GLs anymore?
Bob D., your definitions of the programming language
generations are right in with what I was tought years
ago in college. I agree with these definitions. What
would define a 5GL...anyone know? Is anything out
there close to a 5GL? Will there ever be a 5GL?
1GL is machine language
2GL is symbolic machine language such as assembler
3GL is high level procedural such as COBOL, C, C++, Java
4GL a non-procedural (what not how) language that
provides a large reduction in physical code. Most are
dictionary based.
Mark
Consultants Club Corp.
Quote for the Day: Live by the sword, die by the sword.
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<P><FONT SIZE=3D2>I did a Google search for "computer language =
generations" and of course found a variety of definitions, even =
for 4GL. I don't think there's a real 5GL out there yet. Maybe more AI =
plus OO plus non-procedural.</FONT></P>
<P><FONT SIZE=3D2>This one doesn't have 5GL but does mention PowerHouse =
under 4GL.</FONT>
<BR><FONT SIZE=3D2><A =
HREF=3D"http://www.sxu.edu/~rogers/sys/generations.html" =
TARGET=3D"_blank">http://www.sxu.edu/~rogers/sys/generations.html</A></F=
ONT>
</P>
<P><FONT SIZE=3D2>Here are some with 5GL definitions.</FONT>
<BR><FONT SIZE=3D2><A =
HREF=3D"http://www.cs.mdx.ac.uk/staffpages/mattsmith/com0001/week9/sld01=
6.htm" =
TARGET=3D"_blank">http://www.cs.mdx.ac.uk/staffpages/mattsmith/com0001/w=
eek9/sld016.htm</A></FONT>
<BR><FONT SIZE=3D2><A =
HREF=3D"http://whatis.techtarget.com/definition/0,,sid9_gci211502,00.htm=
l" =
TARGET=3D"_blank">http://whatis.techtarget.com/definition/0,,sid9_gci211=
502,00.html</A></FONT>
</P>
<P><FONT SIZE=3D2>Bob</FONT>
</P>
<P><FONT SIZE=3D2>-----Original Message-----</FONT>
<BR><FONT SIZE=3D2>From: stewm@canada.com [<A =
HREF=3D"mailto:stewm@canada.com">mailto:stewm@canada.com</A>]</FONT>
<BR><FONT SIZE=3D2>Sent: Wednesday, May 07, 2003 8:21 AM</FONT>
<BR><FONT SIZE=3D2>To: powerh-l@lists.swau.edu</FONT>
<BR><FONT SIZE=3D2>Subject: Is there a place for 4GLs anymore?</FONT>
</P>
<BR>
<BR>
<BR>
<P><FONT SIZE=3D2>Bob D., your definitions of the programming =
language</FONT>
<BR><FONT SIZE=3D2>generations are right in with what I was tought =
years</FONT>
<BR><FONT SIZE=3D2>ago in college. I agree with these =
definitions. What</FONT>
<BR><FONT SIZE=3D2>would define a 5GL...anyone know? Is anything =
out</FONT>
<BR><FONT SIZE=3D2>there close to a 5GL? Will there ever be a =
5GL?</FONT>
</P>
<P><FONT SIZE=3D2>1GL is machine language</FONT>
<BR><FONT SIZE=3D2>2GL is symbolic machine language such as =
assembler</FONT>
<BR><FONT SIZE=3D2>3GL is high level procedural such as COBOL, C, C++, =
Java</FONT>
<BR><FONT SIZE=3D2>4GL a non-procedural (what not how) language =
that</FONT>
<BR><FONT SIZE=3D2>provides a large reduction in physical code. Most =
are</FONT>
<BR><FONT SIZE=3D2>dictionary based.</FONT>
</P>
<P><FONT SIZE=3D2>Mark </FONT>
</P>
<P><FONT SIZE=3D2>Consultants Club Corp.</FONT>
<BR><FONT SIZE=3D2>Quote for the Day: Live by the sword, die by the =
sword.</FONT>
<BR><FONT SIZE=3D2>=3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =
=3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D =3D</FONT>
<BR><FONT SIZE=3D2>Mailing list: powerh-l@lists.swau.edu</FONT>
<BR><FONT SIZE=3D2>Subscribe: "subscribe" in message body to =
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