单项选择题 The HR user creates a view with this command：  SQL> CREATE VIEW emp_v AS SELECT * FROM scott.emp；  Now HR wants to grant the SELECT privilege on the EMP_V view to the JIM user.  Which statement is true in this scenario？（）

多项选择题 Datafilesofwhichthreetablespacescanberecoveredbyperforminganopenrecovery？（）

单项选择题 Youareworkingonthe24X7databasewithhightransactionvolume，toensurefasterinstancerecoveryonyourdatabaseyousettheFAST_START_MTTR_TARGETinitializationparametertoaverylowvalue.Whateffectitwillhaveonthedatabase？（）