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When compared to process-specific flat files, state three organisational benefits of using a centralised relational database. (i) Describe what is meant by online analytic processing

When compared to process-specific flat files, state three organisational benefits of using a centralised relational database.

(i) Describe what is meant by online analytic processing (OLAP) and using two examples describe when OLAP can be effectively used.

(ii) Explain a key difference between OLAP and data mining.

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