Quiz: Relational Databases (RE)
OCR H446 Computer Science Specification
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Welcome to this quiz on relational databases (RE). Test your knowledge with 10 questions!
What does the 'RE' in relational databases stand for?
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Which of the following are features of relational databases? (Select all that apply)
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A {{blank0}} key is used to uniquely identify a record in a table, while a {{blank1}} key is used to reference a record in another table.
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Match the items on the left with their correct pairs on the right
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A table has 5 columns and 10 rows. How many cells does it have?
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Match the items on the left with their correct pairs on the right
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What is the purpose of normalisation in relational databases?
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Which of the following are benefits of using relational databases? (Select all that apply)
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Match the items on the left with their correct pairs on the right
Which SQL command is used to retrieve data from a database?
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