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3. Elaborate on two factors that comprises of data quality 14 Marks 4. Mention 3 ways in which missing attribute values can be resolved 13
3. Elaborate on two factors that comprises of data quality 14 Marks 4. Mention 3 ways in which missing attribute values can be resolved 13 Marks 5. Differentiate between OLTP and OLAP systems. 14 Marks 6: Describe the three (3) data warehouse models: 16 Marks
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