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ACCESS: what are tuples????

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Name: NiNa
Date: May 11, 2003 at 10:22:13 Pacific
OS: xp
CPU/Ram: 512
Comment:

What does 'tuples' mean when using a database software?
Thanks for you help



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Response Number 1
Name: IVO
Date: May 11, 2003 at 12:58:25 Pacific
Reply:

Using a (Relational) Database Software you define Relation constructing a TABLE, which you populate of Tuples that correspond to ROWS of such a table with COLUMNS as Attributes.
At every row-and-column position within the table there always exists precisely one and only one value, i.e. Attributes instances are atomic.
A TABLE so designed is a Normalized Relation and can be implemented via a relational product like Access.
I believe I satisfied your pending post on atomic values.
NiNa, you lack about theory, but never mind: you can become a good Access user as that software is so powerfull it can supply your weakness and you can get good working knoweledge despite theory. Study carefully working examples.



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Response Number 2
Name: NiNa
Date: May 11, 2003 at 13:35:24 Pacific
Reply:

hey thanks for the explanation and the recommendation. need some deep practice of english first to understand some programs jargon. Anyway, merci beaucoup!


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Response Number 3
Name: Len Rogers
Date: May 12, 2003 at 02:09:36 Pacific
Reply:

A tuple (pronounced TUH-pul) is an ordered set of values used in programming languages, such as LISP, Python, Linda, etc. It is similar to a record in non-relational databases.
It originated as an abstraction of the sequence: single, double, triple, quadruple, quintuple, sextuple, n-tuple. It is used in pure mathematics to denote a multidimensional coordinate system.
Tuples are used to represent a set of values in a relational database and for passing a string of parameters from one program to another. Tuples can be nested within other tuples, in brackets or other delimiters. Depending on the language rules each value is usually separated by a comma.
The number of values in a tuple is indicated by its name. Thus, a 2-tuple contains two values; a 3-tuple, three values; an n-tuple, an unspecified number of values. The values need not be of the same data type. To illustrate, here is a 4-tuple containing four different types of data values: 16, *, 4∙5, Six.


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Response Number 4
Name: Melissa
Date: May 13, 2003 at 21:11:04 Pacific
Reply:

Hello. I need help! I am attempting to upgrade an ancient database. It was originally structured and utilized in DBase (DOS version) and I am now looking to put it in Access. (I am aware that there is a DBase that can convert it, but I really need Access). If anyone can help clue me in on how to go about converting from DOS to Access (using windows xp) or even from DOS to Excel (because I am aware that I can format and convert from Excel to Access). Thank you ever so much!


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Response Number 5
Name: IVO
Date: May 14, 2003 at 01:20:41 Pacific
Reply:

Melissa, you need to post a new query, *NOT* queue on existing one pertaining to another issue. Otherwise you will not get any answer, especially from a thread posted many days ago.
So, sorry, but I suggest you to re-post in the same Forum.


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