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crete a data base relationship model
Attributes of students:
This is the referencing relation of the column i.e. student advisor
They identify the column i.e. the Sname.
What does Aggregation mean?
I have to solve a problem using access
Describe the GRANT function and explain, how it associates to security. What kind of privileges may be granted? How are they revoked? Ans: Since more than one user can aacce
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
Explain in detail about Collaboration Diagrams Collaboration diagrams are interaction diagrams which emphasize structural organisation of an object that transmit and receive m
State the Component Diagram A component diagram represents a set of component and relationships among them. In a dynamic model, component diagram is used to model physical com
What is Candidate Key Super Key or Candidate Key: It is such an attribute of a table that can uniquely recognize a row in a table. Generally they have unique values and can n
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
A database is to be constructed to remain track of the teams and games of a sport league. A team has a number of players, not all of whom participate in every game. It is desired
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
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