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You have a friend that runs a motor bike club that holds racing events at various venues on weekends, on a monthly basis. Some venues are private race tracks and some are dirt tracks on private farms (ie. none of the racing is done on public roads). Racers must provide their own bike and appropriate safety gear. Each racer must make their own way to each of the racing events venues. Each time a competition day is scheduled, a number of members register for it. When they register they specify the events they wish to compete in. Currently the club manually keeps records of
Pass/Credit Level - Design
To assist your friend, try and come up with a small database design for a new system. Provide the following:
Higher Level - Construct and Test
Explain the conventions (relationships) for displaying an ER schema as an ER diagram.
case study
What is Specialization? Specialization: Specialization permits you to describe new types of information (new structural types or latest domains of information), although reusin
Write short notes on relational constraints? Relational Constraints are: 1. NOT NULL 2. Unique 3. Primary key 4. Foreign key 5. Table check
4. Describe three ways to handle missing field values
What does the extract statement do in extract datasets? The data is written to virtual memory by extract commands.
For the question given below, you are required to submit design and implementation documentation as described over the page. Design, implement (in Java), test and document a set of
Let us first describe the term relationships. What Are Relationships? A relationship can be defined as: A set of associations or connection, or A rule for communic
Explain CNT in the respects of QBE ? CNT: It is one of the aggregation commands given in QBE. It is used to identify number of tuples
what is the importance of back up files
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