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Design Documentation The Design Document shall be an extension of Requirements Analysis Design. "The Design Document will comprise a revised and much more detailed descrip
There are a number of possible solutions to the open ended brief. One of the simple ones is shown here without the PKs and FKs. It is important to think of how a number of tasks
Atomicity : Either all functions are laid out or none are. Users could not have to think about the effect of incomplete operations. DBMS ensures this by undoing the functions
A customer places orders for parts and belongs to a particular industry group. An individual order is taken by a particular sales representative on a specific date and the sales re
Build a database application for a sports league. Assume your application is to keep track of teams and equipment that is checked out to teams. Explain the steps that is needed and
What is relationship? Give examples A relationship is an association between several entities. Example: A depositor relationship associates a customer with every account tha
it can be possible to create any table without primary key
Define physical image of a global relation at a site
what is natural join?
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
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