Oracle OCP IZ0-053 Q400(数据块校验)
400.Which of the following methods can be used to detect block corruption?A. ANALYZE operationsB. dbvC. SQL queries that access the potentially corrupt blockD. RMANE. All of the aboveAnswer: Ehttp://blog.csdn.net/rlhua/article/details/20620053另dbv工具例子:[oracle@db01 log]$ dbv file=/...
Oracle OCP IZ0-053 Q157(DB_BLOCK_CHECKING)
157.The DB_BLOCK_CHECKING initialization parameter is set to OFF. Which block checking would beperformed?A. The Oracle database will perform block checking for the index blocks onlyB. The Oracle database will not perform block checking for any of the data blocksC. The Oracle database will perfor...
Oracle OCP IZ0-053 Q651(Scheduler Job)
651.The user SYS creates a job by using the following command:Which two statements are true about the job that was created by the preceding command? (Choose two.)A. The job is enabled by default after creationB. The job is automatically dropped after the end dateC. The job executes with the pri...
Oracle IZ0-053 Q336(Rman Duration)
336.You want to make sure that your database backup does not exceed 10 hours in length. Whatcommand would you issue that would meet this condition?A. backup database plus archivelog;ivlog until time 10:00;B. backup database plus archC. backup database plus archivelog timeout 10:00;D. backup da...
IZ0-053 Q575(控制文件丢失)
575.You have lost all your database control files. To recover them, you are going to use the results of thealter database backup controlfile to trace command. Your datafiles and your online redo logs are all intact.Which of the following is true regarding your recovery?A. You will need to open th...
IZ0-053 Q545(Online Backup的顺序)
545.When performing an online backup, what is the proper order of the following steps?A. Issue the alter database end backup command.B. Back up the archived redo logs.C. Issue the alter database begin backup command.D. Back up the database files.E. Determine the beginning log sequence number.F...
IZ0-053 Q699(临时表空间临时文件被删除恢复)
699. Your database is using a default temporary tablespace that contains the temp01.tmp temporary file.All the users on the database use the default temporary tablspace. A user issues a query on the ORDERStable and receives the following error:What would be the most efficient way to rectify this ...
IZ0-053 Q242
242.You want to create the Recovery Manager (RMAN) Virtual Private Catalog (VPC) to maintain aseparation of responsibilities along with a consolidation of RMAN repository. Which condition must be metbefore you create the VPC?A. A base catalog existsB. The recovery catalog is emptyC. The base re...
IZ0-053 Q473
473.How many different calendars does Oracle 11g support?A. 22B. 7C. 6D. 15E. 2Answer: Bhttp://docs.oracle.com/cd/E11882_01/server.112/e10729/ch3globenv.htm#NLSPG215http://blog.csdn.net/rlhua/article/details/19572505
IZ0-053 Q279
279.Identify the activities performed as part of the Automatic SQL Tuning process in the maintenancewindow? (Choose all that apply.)A. generating the SQL profileB. testing and accepting the SQL profileC. generating a list of candidate SQLs for tuningD. adding tuned SQL plans into the SQL plan b...
IZ0-053 Q499
499.Which statement is true regarding the retention policy for the incidents accumulated in the AutomaticDiagnostic Repository (ADR)?A. The incident metadata is purged when the problem is resolved and the DBA closes the SR.B. The incident files and dumps are not retained in the ADR for the manual...
IZ0-053 Q349
349.What is the result of this command? RMAN> Report need backup days 3;A. Lists all datafiles created in the last three days that are not backed up.B. Lists all datafiles not recoverable based on the current retention criteria.C. Lists all datafiles not backed up in the last three days. The data...
IZ0-053 Q672
672.You are in the process of creating a Virtual Private Catalog (VPC) in your Oracle Database 11gdatabase. The Prod1, Prod2 and Prod3 Oracle Database 10g databases are registered in the recoverycatalog. The database user who owns the base recovery catalog is CATOWNER. CATOWNER executesthe follow...
IZ0-053 Q542(DISK_REPAIR_TIME)
542.You are an Oracle DBA responsible for an ASM instance. The disk controller on your system fails.You suspect that the disk itself is okay. You know it will take 24 hours to replace the controller and youdon't want to have to rebuild the disks from scratch. What do you do?A. Take ...
非系统数据文件被删除恢复(IZ0-053, Q574)
574.A user sends you an email with the following error message: create table idtable(id number) *ERROR at line 1: ORA- 01110: data file 4: ,,/oracle01/oradata/orcl/users01.dbf ORA-27041:01116: error in opening database file 4 ORA-unable to open file Linux Error: 2: No such file or directoryAdditi...
IZ0-053 Q561
561.If you issue the command shutdown abort prior to trying to put the database in ARCHIVELOG mode,what will be the result when you issue the command alter database archivelog?A. The alter database archivelog command will fail.B. The alter database archivelog inconsistent command must be used to ...
IZ0-053 Q455
455.When a job exceeds the date specified in its END_DATE attribute, which of the following will happen?(Choose all that apply.)A. The job will be dropped automatically if the value of the attribute is TRUE. B. The job will only be disabled if the value of the AUTO_DR...
SQL Access Advisor 与SQL Tuning Advisor
https://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:1794009000346753857In a nutshell - the tuning advisor o suggests sql profiles o gathering more or stale statistics o indexes that might be VERY useful o query rewrites the access advisor o ...
OCP考试题库-IZ0-052 第10题
Examine the following statement that is used to modify the primary key constraint on the SALEStable:SQL> ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE;Which three statements are true regarding the above command? (Choose three.)A.The constraint remains valid.B.The index on the c...
OCP考试题库-185题
185.A shoot-out has erupted between your MS development teams using .NET and your Linux development teams using Java. Knowing that your database is in danger, which command would you use to back up your NOARCHIVELOG mode database using RMAN with compression? A. backup database all B. backup comp...