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SingaporeComputer ScienceQuick questions
Data, Information and Databases
Quick questions on Database normalisation explained: H2 Computing
3short 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 a table must meet to be in first normal form. [1 mark]
What is q2?Show answer
A table with key (StudentID, CourseID) stores CourseName, which depends only on CourseID. Which normal form does this violate and why? [2 marks]
What is q3?Show answer
Give one anomaly that third normal form removes by eliminating transitive dependencies. [1 mark]
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