单项选择题
Your test database is running in NOARCHIVELOG mode. What are the implications of this？ （）
A.You can perform open database backups.
B.You can perform closed database backups.
C.You cannot perform schema-level logical backups.
D.You can perform the backup of only the SYSTEM tablespace when the database is open.
相关考题
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单项选择题
TheSAVE_AMTcolumnintheACCOUNTStablecontainsthebalancedetailsofcustomersinabank.Aspartoftheyear-endtaxandinterestcalculationprocess，alltherowsinthetableneedtobeaccessed.Thebankauthoritieswanttotrackaccesstotherowscontainingbalanceamountsexceeding$200，000，andthensendanalertmessagetotheadministrator.Whichmethodwouldyousuggesttothebankforachievingthistask？（）
A.implementing value-based auditing by using triggers
B.implementing fine-grained auditing with audit condition and event handler
C.performing standard database auditing to audit object privileges by setting the AUDIT_TRAIL parameter to EXTENDED
D.performing standard database auditing to audit SQL statements with granularity level set to ACCESS -
单项选择题
YouareusingthebackupschedulerinEnterpriseManager（EM）toscheduleabackupofyourdatabase.Whichtypeofscriptdoesthebackupschedulergenerate？（）
A.SQL script
B.PL/SQL script
C.Operating System （OS） script
D.Enterprise Manager （EM） script
E.Recovery Manager （RMAN） script -
单项选择题
You suspect unauthorized data manipulation language （DML） operations on a particular table. You want to track users who are performing the transactions and the values used in the transactions. Also， you plan to transfer these values to another table for analysis. How would you achieve this？（）
A.by using triggers
B.by using external tables
C.by using anonymous PL/SQL blocks
D.by auditing all DML operations on the table
