General DB Topics - DB Theory

Thread preview

Thread	Last Post	Replies

Designing a language database - issues?	30 Jun 2005 18:53 GMT	10
As a hobby project, I want to write a dictionary (basically of Hungarian for English speakers - but I don't suppose that the languages themselves matter fundamentally. It will be a bit more complicated than just a simple word list - I want to put in grammar
Poll: What percentage advantage are RDBMS vendors taking of the RM?	30 Jun 2005 07:48 GMT	25
> Afredo elsewhere responded to: >> My point, which you appear to agree with, is that the vendors >> are indeed taking some advantage from the RM. I am not at >> this point concerned with 'How Much', only that it is not null.
Newbie question	29 Jun 2005 08:35 GMT	44
I'd like to know what happens when a counter field defined as "primary key" runs into overflow (very big number). How is it managed? ;)
Counting links between to records on the same table (Clustering?)	27 Jun 2005 18:37 GMT	4
I'm trying to develop a little method that groups DJs together into similar tastes in music so that people can work out if they might like a certain night out. Now in the DJ world, no-one can agree on definitions of musics styles,
SQL, related records (quotes)	27 Jun 2005 15:54 GMT	31
I have a website that users can request quotes, and a user may also make a new quote that links to a previous quote. QuoteNo PreviousQuoteNo 1
the RM and Godel	27 Jun 2005 15:43 GMT	3
I seem to recall there is no "solid ground" in mathematics in that the formalisms of mathematics cannot lead to anything resembling "absolute truth". Here is an interesting article on the history of mathematics
the distinction between data and intelligence	27 Jun 2005 12:08 GMT	21
With varying reception I have attempted to discuss the concept of "organisational intelligence" (OI) informally defined as the collective sum of all program code elements associated with one or more DB
query to trace all parents	24 Jun 2005 17:04 GMT	7
I have a table with filled out below data: +------+-----+ \|parent\|child\| +------+-----+
Hey, Kenneth!	22 Jun 2005 03:01 GMT	1
Kenneth Downs, I've taken the liberty of mentioning your name in the "Computer professionals and Freelancers" forum hosted by EZboard. I've been following your ideas in here for some time. You and I tend to
Some Humor	21 Jun 2005 20:45 GMT	4
ThirdNormalForm: 1. The key 2. The whole key 3. And nothing but the key
Why spurious tuples with fifth normal form?	20 Jun 2005 16:09 GMT	13
I have spent countless hours searching the net to find the answer, but am still confused. I have a db structure where I have decomposed a table into three smaller tables, but when I join them all back together, I get spurious tuples. Now I thought that the whole point of
ANNOUNCE: Andromeda Data Dictionary File Format	15 Jun 2005 15:04 GMT	1
As part of our ongoing plans to release our Andromeda application tool to the general public under the GPL, we have published our specification for the file format: http://www.secdat.com/dev/androspec.html
ANNOUNCE: Andromeda Data Dictionary File Format	14 Jun 2005 15:54 GMT	4
As part of our ongoing plans to release our Andromeda tool under the GPL for general use, we have published the specification for our input file format: Signature Kenneth Downs
database integrity	13 Jun 2005 18:01 GMT	33
Q1: What is database integrity? A1: A measure of the self-referential consistency of all the relations existent between the physical data elements defined in the schema of a database.
Proving an Upgrade is Possible	08 Jun 2005 19:20 GMT	12
I would love to be able to determine with certainty if a certain operation can be validated before it is performed. This is the operation of changing the state of a database by an upgrade. Let's define some terms.