Describe the main phases involved database design.
What will be an ideal response?
Conceptual database design – to build the conceptual representation of the database, which
includes identification of the important entities, relationships, and attributes.
Logical database design – to translate the conceptual representation to the logical structure of
the database, which includes designing the relations.
Physical database design – to decide how the logical structure is to be physically
implemented (as relations) in the target Database Management System (DBMS).
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Explain the difference between a function procedure and a subprocedure.
What will be an ideal response?
A program can create a named pipe by calling
A. pipe B. mkfifo
Proper record properties make certain that data is entered consistently and correctly from field to field
Indicate whether the statement is true or false
What is the purpose of having a model for investigations? How does it help the investigator or the student learning to be an investigator?
What will be an ideal response?