多项选择题
A. The source and target platforms must be the same
B. Redo logs，control files and temp files are also transported
C. The transported database must have the same database identifier （DBID） as the source database and cannot be changed
D. The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported
E. Recovery Manager （RMAN） is used to convert the necessary data files of the database if the target platform is different and has different endian format
多项选择题 Whichtwostatementsaretruewithrespecttothemaintenancewindow？（）.
单项选择题 You have a range-partitioned table in your database. Each partition in the table contains the sales data for a quarter. The partition related to the current quarter is modified frequently and other partitions undergo fewer data manipulations. The preferences for the table are set to their default values. You collect statistics for the table using the following command in regular intervals： SQL> EXECUTE DBMS_STATS.GATHER_TABLE_STATS（’SH’，’SALES’，GRANULARITY=>’GLOBAL’）； You need statistics to be collected more quickly. What can you do to achieve this？（）
多项选择题 ou are using the flash recovery area （fast recovery area in 11g Release 2） to store backup related files in your database. After regular monitoring of space usage in the Mash recovery area. You realize that the flash recovery area is （jetting filled up very fast and it is running out of space. Your database flash recovery area is low on specie and you have no more room on disk. Proactively， which two options could you use to make more space available in the flash recovery（）