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I need help for my Uni assignments
I need help with some assignments
SET concept is used in which type of modelling? SET concept is used in Network Model.
Mappings between Levels and Data Independence The 3 levels of abstraction in the database do not exist separately of each other. There must be some correspondence, or mapping
After the completion of the logical model the physical model is to be made. The oracle 10 G will be used as a database server and all the tables with their column are created and i
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
Object Oriented model :An object has values stored in instance variables within the object. An object also has bodies of code that execute on the object. These bodies of code are
An example of a weak entity is Staff because the availabilityID cannot be uniquely identified unless it is used in conjunction with the foreign key known as availabilityID in the A
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
Which operation is used if we are interested in only certain columns of a table? PROJECTION operation is used if we are interested in only certain columns of a table.
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