Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, given the array [−2,1,−3,4,−1,2,1,−5,4], the contiguous subarray [4,−1,2,1] has t
题目: 480.View the Exhibit exhibit1 to examine the series of SQL commands. View the Exhibit exhibit2 to examine the plans available in the SQL plan baseline. The baseline in the first row of the Exhibi
595.Which dynamic view displays the status of block-change tracking? A. V$BLOCK_CHANGE B. V$BLOCK_CHANGE_TRACKING C. V$BLOCKCHANGE D. V$BLOCK_TRACKING Answer: B 答案解析: V$BLOCK_CHANGE_TRACKING
584.How is block-change tracking enabled? A. With alter database enable block change tracking B. With alter system enable block change tracking C. With an init.ora parameter change D. With an spfi
234.Which type of backup contains only the blocks that have changed since the last level 0 incremental backup? A. a cumulative level 1 backup B. a differential level 1 backup C. a full backup D.
548.What are the different logging modes available in Oracle Database 11g? (Choose two.) A. NOLOG mode B. NOARCHIVELOG mode C. LOGGING mode D. HOTDATABASE mode E. ARCHIVELOG mode Answer: BE
549.Which is the correct command to put the database in ARCHIVELOG mode? A. alter database archivelog B. alter system enable archivelog mode C. alter database enable archive D. alter database arch
388.Flashback Database relies on which technologies to recover to a point in time? A. Flashback Data Archive B. Flashback logs in the flash recovery area C. FlashbUndo tablespace D. RMAN command
313.What command would you issue to enable automated backups of control files? A. alter database controlfile autobackup on B. alter system controlfile autobackup on C. configure controlfile auto
381.Which pseudocolumn could you use to identify a unique row in a Flashback Versions Query? A. XID B. VERSIONS_PK C. VERSIONS_XID D. VERSIONS_UNIQUE Answer: C 答案解析: 参考:闪回版本查询:http://blog.cs
390.Which of these are valid Flashback Database recovery point parameters? (Choose all that apply.) A. SCN B. Timestamp C. Named recovery point D. Transaction ID E. Session ID Answer: ABC 答案解
391.When setting up the Flashback Data Archive, which of these key parameters are required? (Choose all that apply.) A. Tablespace name B. Storage quota C. Retention D. Table name E. Create a d
530.When an ASM instance receives a SHUTDOWN NORMAL command, what command does it pass on to all database instances that rely on the ASM instances disk groups? A. TRANSACTIONAL B. IMMEDIATE C. ABO
173.Which of the following is not a configurable attribute for an individual disk group? A. AU_SIZE B. COMPATIBLE.RDBMS C. COMPATIBLE.ASM D. DISK_REPAIR_TIME E. DG_DROP_TIME Answer: E 答案解析:
76.Identify three key features of ASM. (Choose three.) A. file striping B. allocation unit mirroring C. automatic disk rebalancing D. automatic file size increment E. automatic undo management A