Question: 8. Which command is used to remove a relation from an SQL database? Why? a) Drop table b) Delete c) Purge d) Remove 9. OLAP

8. Which command is used to remove a relation from an SQL database? Why? a) Drop table b) Delete c) Purge d) Remove 9. OLAP stands for a) Online analytical processing b) Online analysis processing c) Online transaction processing d) Online aggregate processing 10. Each modification done in database transactions is first recorded where? a) Disk b) Datamart c) Log d) Hard drive 11. The operation performs a set union of two "similarly structured" tables a) Union b) Join c) Product d) Intersect 12. For designing a normal relational database which of the following normal form is considered adequate? a) 4NF b) 3NF c) 2NF d) 5NF 13. The oldest database model is

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