Quiz: Relational Databases - Tables, Rows, Columns and Keys
OCR H446 Computer Science Specification
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Building on your previous learning about data representation and encryption, let's dive into relational databases. This quiz will test your understanding of tables, rows, columns, and keys.
What is a primary key in a relational database?
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Which of the following are examples of database keys? (Select all that apply)
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In a database table, the {{blank0}} represents a single entity, and the {{blank1}} contains data fields.
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Match the items on the left with their correct pairs on the right
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If a table has 5 columns and 10 rows, how many individual data cells does it have?
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Which key is used to establish relationships between tables?
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Match the items on the left with their correct pairs on the right
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Match the items on the left with their correct pairs on the right
What is the purpose of normalisation in relational databases?
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