单选题A senior DBA asked you to execute the following command to improve performance: SQL ALTER TABLE subscribe log STORAGE (BUFFER_POOL recycle); You checked the data in the SUBSCRIBE_LOG table and found that it is a large table containing one million rows. What could be a reason for this recommendation?()AThe keep pool is not configured.BAutomatic Workarea Management is not configured.CAutomatic Shared Memory Management is not enabled.DThe data blocks in the SUBSCRIBE_LOG table are rarely accessed.EAll the queries on the SUBSCRIBE_LOG table are rewritten to a materialized view

单选题
A senior DBA asked you to execute the following command to improve performance: SQL> ALTER TABLE subscribe log STORAGE (BUFFER_POOL recycle); You checked the data in the SUBSCRIBE_LOG table and found that it is a large table containing one million rows. What could be a reason for this recommendation?()
A

The keep pool is not configured.

B

Automatic Workarea Management is not configured.

C

Automatic Shared Memory Management is not enabled.

D

The data blocks in the SUBSCRIBE_LOG table are rarely accessed.

E

All the queries on the SUBSCRIBE_LOG table are rewritten to a materialized view


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单选题A senior DBA asked you to execute the following command to improve performance: SQL ALTER TABLE subscribe log STORAGE (BUFFER_POOL recycle); You checked the data in the SUBSCRIBE_LOG table and found that it is a large table containing one million rows. What could be a reason for this recommendation?()AThe keep pool is not configured.BAutomatic Workarea Management is not configured.CAutomatic Shared Memory Management is not enabled.DThe data blocks in the SUBSCRIBE_LOG table are rarely accessed.EAll the queries on the SUBSCRIBE_LOG table are rewritten to a materialized view

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单选题An application accesses a small lookup table frequently. You notice that the required data blocks are getting aged out of the default buffer cache. How would you guarantee that the blocks for the table never age out?()AConfigure the KEEP buffer pool and alter the table with the corresponding storage clause.BIncrease the database buffer cache size.CConfigure the RECYCLE buffer pool and alter the table with the corresponding storage clause.DConfigure Automata Shared Memory Management.EConfigure Automatic Memory Management