Exam 3: Database Concepts I

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Data can be described as:

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In terms of data redundancy,an important aspect of a relational database is that the tables must be carefully defined to provide __________ with minimum issues.

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How are 1:N,1:1,and N:M relationships implemented in a database system?

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Data redundancy occurs when the same information is stored in multiple locations in an organisation.Which of the following is NOT true?

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Which of the following is NOT a database model?

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A record is:

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Refer to the ER diagram in the previous question.The "charges time to" entity is a result of:

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What are the four steps in developing ER diagrams?

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The database model of choice for the development of most new information systems today is:

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In any organisation,what three characteristics of information are crucial for good decision making and reporting?

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Accurate,relevant and timely information comes from:

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"Data that provide a consistent and correct representation regardless of where they are sourced from within a file system" is referred to as:

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Student Table Student Table     Course Table     The Course_ID in the student table is best described as: -Examine the database tables in Q44.Which of the following statement is true? Course Table Student Table     Course Table     The Course_ID in the student table is best described as: -Examine the database tables in Q44.Which of the following statement is true? The Course_ID in the student table is best described as: -Examine the database tables in Q44.Which of the following statement is true?

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Which of the following statement regarding ER diagrams is correct?

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What are the two approaches to database design? Discuss their differences and relationship.

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Describe the three types of data anomalies.

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Which one of the following is not a crucial factor for maximising the benefits offered by relational databases?

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"Inconsistencies or errors that exist in a database because of entry or changes" are referred to as:

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A ________ key allows the user to search on an attribute other than the attribute(s)that form the primary key:

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In database terms,the instructions and rules that govern the design and use of the software outside programming are referred to as:

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