多项选择题
Which statements are true regarding SecureFile LOBs?（）
A. The amount of undo retained is user controlled.
B. SecureFile LOBs can be used only for nonpartitioned tables.
C. Fragmentation is minimized by using variable-sized chunks dynamically.
D. SecureFile encryption allows for random reads and writes of the encrypted data.
E. It automatically detects duplicate LOB data and conserves space by storing only one copy.
相关考题
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多项选择题
Evaluate the following statements: What are the two consequences of the above statements?（）
A. Partitions of PURCHASE_ORDER_ITEMS have system-generated names.
B. Both PURCHASE_ORDERS and PURCHASE_ORDER_ITEMS tables are created with four partitions each.
C. Partitions of the PURCHASE_ORDER_ITEMS table exist in the same tablespaces as the partitions of the PURCHASE_ORDERS table.
D. The PURCHASE_ORDER_ITEMS table inherits the partitioning key from the parent table by automatically duplicating the key columns.
E. Partition maintenance operations performed on the PURCHASE_ORDER_ITEMS table are automatically reflected in the PURCHASE_ORDERS table. -
单项选择题
You plan to control idle sessions that are blocking other sessions from performing transactions. Your requirement is to automatically terminate these blocking sessions when they remain idle for a specified amount of time. How would you accomplish this task?（）
A. Set metric threshold
B. Implement Database Resource Manager
C. Enable resumable timeout for user sessions
D. Add directives to Automatic Database Diagnostic Monitor (ADDM) -
单项选择题
Which statement is true about the plan being loaded into the SQL baseline by the above command?（）
A. It is loaded with the FIXED status.
B. It is loaded with the ACCEPTED status.
C. It is not loaded with the ENABLED status.
D.It is not loaded with the ACCEPTED status.
