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Questions and Answers
What type of relationship exists when both tables have many records on either side of the relationship?
What type of relationship exists when both tables have many records on either side of the relationship?
- Many-to-many (correct)
- One-to-one
- Flat file
- One-to-many
What is the primary function of a foreign key?
What is the primary function of a foreign key?
- To create a compound key
- To link tables together and create a relationship (correct)
- To create a one-to-one relationship
- To create a many-to-many relationship
What is the main advantage of a relational database over a flat file database?
What is the main advantage of a relational database over a flat file database?
- Requires less processing power
- Easier to design
- Simple to use
- No data redundancy (correct)
What is the purpose of referential integrity?
What is the purpose of referential integrity?
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What is a compound key?
What is a compound key?
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What type of query would you use if you wanted to search for different values each time it is run?
What type of query would you use if you wanted to search for different values each time it is run?
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What is the advantage of using a relational database over a flat file database in terms of security?
What is the advantage of using a relational database over a flat file database in terms of security?
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What is the main disadvantage of a flat file database?
What is the main disadvantage of a flat file database?
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What is the purpose of a primary key?
What is the purpose of a primary key?
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What is the disadvantage of designing a relational database?
What is the disadvantage of designing a relational database?
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