多项选择题
A.Oracle Managed Files are used for this instance.
B.The USER_DATA tablespace is managed using FET$/UET$ tables.
C.The COMPATIBLE initialization parameter must be 9.0.0 or higher.
D.Space within segments in the USER_DATA tablespace is managed with freelists.
单项选择题 The EMPLOYEES table is stored in the SAMPLE tablespace. The corresponding IPK_EMP index for the EMPLOYEES table’s primary key is stored in the INDX tablespace. Out of 12 partitions， only partition P1 of the SALES table is stored in the SAMPLE tablespace. Which object will be exported by this command？（） exp system/manager tablespaces=SAMPLE
单项选择题 Whatshouldyoulookatfirsttocomputethenumberofundoblockswrittenpersecondtodisk？（）
单项选择题 What is true regarding a transaction executed in Automatic Undo Management mode？（）