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单选题 You are designing an application for Certkiller .com and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls, listed in chronological order.Which method would you follow to achieve this objective without increasing the overhead of sorting the rows?()

A

 create a hash cluster to store the data

B

 create an index cluster to store the data

C

 create a partitioned table to store the data

D

 create a sorted hash cluster to store the data

E

 create a heap table with rowid to store the data

单选题 What effect should the loss of an index tablespace have on an Oracle instance that is running?()

A

 instance hangs

B

 instance gets aborted

C

 instance continues running

D

 instance gets restarted automatically

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