Computer Science · Oct / Nov 2017 · Paper 2 HL · Question 4
Adapt for 2027Spatial databases and data mining techniques such as association, sequential patterns and anomaly detection are in A3.4, but object-oriented databases and ETL are not named in the 2027 syllabus.
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The question as text
4. A telecommunication company stores a large amount of data in three databases. CUSTOMERS A relational database which holds personal information such as age, gender, type of telephone, type of subscription, etc. DETAILS_OF_CALLS An object-oriented database which holds data about telephone calls such as call duration, call time, location, where call originated, call received, etc. COMPONENTS A spatial database which holds data about components of the telecommunication network, their location, their status and any error messages generated by these components, etc.
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4(a)[4]
4(b)[2]
4(c)(i)[1]
4(c)(ii)[2]
4(d)[3]
4(e)[3]
4(f)[2]
4(g)[3]
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