多项选择题
A.set PCTFREE and PCTUSED to 50
B.specify extent allocation as Uniform
C.specify extent allocation as Automatic
D.create the tablespace as bigfile tablespace
E.create the tablespace as smallfile tablespace
F.set segment space management to Automatic
G.use the RESIZE clause while creating the tablespace
单项选择题 Inyourdatabase，youdiscoveredthatatempfileinalocallymanagedtemporarytablespacehasbeendeletedattheoperatingsystemlevel.Howwouldyourecoverthetablespace？（）
多项选择题 our database is in the MOUNT state and you execute the following command to open it： ALTER DATABASE OPEN What two actions are performed as a result of this command？（）
单项选择题 Anyonewhoknowsjustthehostnameandthelistenernamecanhavefullcontroloverthelistener.Theycanstopthelistenerandalsoobtaindetailedinformationaboutthelistener，database，andtheconfigurationoftheapplication.Howwouldyouavoidthisscenario？（）