多项选择题 You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader directpath load method to perform this task. The table in which you plan to load data is an important tablehaving various integrity constraints defined on it.  Which constraints will remain enabled by default during this operation（）

单项选择题 You are using flat files as the data source for one of your data warehousing applications. To optimizethe application performance， you plan to move the data from the flat files toclustered tablesin an Oracle database.  While migrating the data， you want to have minimal impact on the database performance and optimize thedata load operation. Which method would you use to load data into the Oracle database（）

单项选择题 You executed the following commands in an RMAN session for your database instance that has failures：  RMAN> LIST FAILURE；  After some time， you executed the following command in the same session： RMAN> ADVISE FAILURE；  But there are new failures recorded in the Automatic Diagnostic Repository （ADR） after the execution ofthe last LIST FAILURE command.  Which statement is true for the above ADVISE FAILURE command in this scenario（）