单项选择题
A.Create the role with external authentication.
B.Create the role as a secure application role.
C.Create the role as a password-protected role.
D.Create a role and use Fine-Grained Access Control (FGAC) to secure the role
单项选择题 Youhaveexecutedthiscommandtochangethesizeofthedatabasebuffercache: SQL>ALTERSYSTEMSETDB_CACHE_SIZE=2516582; Systemaltered.Toverifythechangeinsize,youexecutedthiscommand:SQL>SHOWPARAMETERDB_CACHE_SIZENAMETYPEVALUE ------------------------------------------------db_cache_sizebiginteger4194304 Whyisthevaluesetto4194304andnotto2516582()
多项选择题 You notice that the performance of the database has degraded because of frequent checkpoints. Which twoactions resolve the issue()
多项选择题 Examinethecommand: SQL>ALTERUSERskdACCOUNTLOCK; Whichtwostatementsaretrueafterthecommandisexecuted()