Viewing 15 posts - 391 through 405 (of 431 total)
Use two tables for hardware, one for each of the two sub-types. I'm not clear whether you actually need DistributorID in these tables. Isn't that implied by the Owner or...
February 25, 2009 at 12:56 pm
All I am saying is that the SQL data model (the model of tables, views and DML) is not relational, which is what relational experts like Codd, Date, Darwen and...
February 6, 2009 at 2:10 pm
Please tell me the exact mathematical difference between a "tuple bag" and a "relation" or "set". Prove your answer using standard mathematical methodology and terminology, please.
Start here:
http://www-users.cs.york.ac.uk/~susan/cyc/b/bag.htm
Now let R...
February 5, 2009 at 3:22 pm
Gift Peddie (2/5/2009)
I looked at the docs at Rel's page and checked the D section in Thethirdmanifesto home page and I see a lot of differences.
I guess you are talking...
February 5, 2009 at 10:07 am
Gift Peddie (2/5/2009)
So the link David posted is also not...
February 5, 2009 at 9:36 am
GSquared (2/5/2009)
February 5, 2009 at 9:30 am
Michael Earl (2/5/2009)This is all symantics and you really do your arguments a dis-service by going in this direction with your discussion. It's the programming version of name-calling.
It's a...
February 5, 2009 at 8:52 am
Gift Peddie (2/5/2009)The most important it comes without the third part of the relational model DCL(data control language.)
Not sure what you are getting at there. DCL has nothing to do...
February 5, 2009 at 7:40 am
Max (2/5/2009)
Gift Peddie (1/18/2009)
...Access and VFP are things Microsoft sells as database both are not relational.Heh? Access is relational.
No Microsoft Access is an application development tool.
Jet/ACE is a software component...
February 5, 2009 at 7:29 am
GSquared (1/30/2009)
January 30, 2009 at 8:17 am
Loner (1/27/2009)
January 27, 2009 at 12:11 pm
Gift Peddie (1/18/2009)
Access and VFP are things Microsoft sells as database both are not relational.
SQL Server isn't relational either but more to the point Access and VFP are application development...
January 21, 2009 at 11:51 pm
This is a bit of a mess. In SQL Server 2000 semicolons were optional or in a few cases actually not allowed at the end of statements. In 2005/2008 they...
January 14, 2009 at 1:18 pm
I don't want to discourage you from learning - far from it - but have you considered getting some professional assistance with this system?
It seems a bit alarming that someone...
January 4, 2009 at 11:03 am
hbpank (12/30/2008)
For example: @@Error gives correct value in next line only. after that it Value gets Reset.
Do we have any compilation...
January 3, 2009 at 11:14 am
Viewing 15 posts - 391 through 405 (of 431 total)