053-584

标签：col   back   ati   physical   track   calloc   ini   ble   enable   

How is block-change tracking enabled?
A. With alter database enable block change tracking
B. With alter system enable block change tracking
C. With an init.ora parameter change
D. With an spfile parameter change

　　Block-change tracking must be enabled with alter database enable block change tracking.The physicallocation and name of the block-change tracking file must be supplied.

053-584

标签：col   back   ati   physical   track   calloc   ini   ble   enable   

原文地址：http://www.cnblogs.com/Babylon/p/7810158.html