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Explain the function of input controls.
Identify four types of input control and explain the function of each.
Provide an example of a data integrity error that could occur if each of these types of input control were not in place.
Explain the advantages and disadvantages of restricting user interfaces. (User interfaces can often be restricted, limiting the user's ability to navigate to other areas of the system, or out of the system.)
Design and build a graphical representation of a Web-based input for making a hotel reservation, using Visio or PowerPoint or an equivalent.
Research and cite at least three (3) reputable academic sources.
Describe the advantage of State chart Diagram A state chart represents a state machine, emphasizing flow of control from one state to other. A state machine is a behaviour whi
Emergence of Client Server Architecture Some of the pioneering work that was completed by some of the relational database vendors permitted the computing to be distributed on m
Define the terms 1) physical schema 2) logical schema. Physical schema: The physical schema explains the database design at the physical level, which is the lowest lev
need a DBMS system on any data for assignment.
Express types of information available in MySQL? Information as regards the result of queries: This includes number of records affected by any SELECT or UPDATE or DELETE st
Process-oriented decompositions Process-oriented decompositions divide complex process, task or function into simpler sub processes until they get simple enough to be deal
Why is database design important?
how to solve the C type problems?
Relations create the database. They must satisfy various properties, like no duplicate tuples, no ordering of tuples, and atomic attributes, etc. Relations that satisfy these basic
Define Database layer? The database layer defines the data formats used in the database.
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