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WalesComputer ScienceQuick questions
Unit 4 Computer Architecture, Data, Communication and Applications
Quick questions on Organisation and structure of data: normalisation to 3NF, SQL and big data - WJEC A-Level Computer Science
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
State the condition that a table in third normal form must satisfy beyond being in second normal form. [1 mark]
What is q2?Show answer
State two of the characteristics commonly used to define big data. [2 marks]
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