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eschema

Posted on 2000-03-28
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Last Modified: 2012-06-22
i need a quick description of what Eschema (Extended Data Schema) is... thanks
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Question by:di_x
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Author Comment

by:di_x
ID: 2665251
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Expert Comment

by:nico5038
ID: 2670215
Could you give some more information?
Do you point to an Oracle environment (Schema program) or to a data structuring schema?
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Author Comment

by:di_x
ID: 2670457
data structuring  (i think)
as you might notice, i'm clueless, i would really appreciate some insight into this
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nico5038 earned 100 total points
ID: 2671062
Normally schema techniques are used to ease communication between developers, by making a graphical model of a part of the system design.

Every technique consists of a set of symbols and a definition how to use.
Take for instance DataFlowDiagram's. They intend to describe the flow of data through processes, making clear what process is using what data.

When I read Data Schema I assume a link with data-modelling. Normally a table is depoicted as a square and a relation as a line. To make clear what relation is depicted (1:N, one to many or N:M, many to many) often numbers and/or "*" (for many) are used.

When you have MS Access you can see a form of this graphical representation when you select Tools/Relationships.
On the screen you can place the tables and drag and drop fields from one table to another to define a relation.

You will also notify that it's easier to explain the relations between a number of tables this way then by writing it down! (One picture says more than a thousand words)

Stays for me the question where you found this term?
When you want to know more about this Schema you will need the definitions and symbols used. Without them I can't tell you much more about it.

Hope it helps ?!
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Author Comment

by:di_x
ID: 2671833

i think i get the idea. it's one of the features of this little apache based program for IT departments (a database with a bit of userinterface, really.)
thanks
 
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