当前分类： 1Z0-052
问题：多选题After performing a clean shut down of the database instance for maintenance， you mount the database andthen execute a command to open the database：SQL ALTER DATABASE OPEN； Which two statements are true（）AThe online redo log files and online data files ...
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问题：多选题Which statements are true about checkpointing（）AThe checkpoint frequency decreases with the smaller redo log file size.BIt ensures that all committed data is written to the data files during normal shutdown.CThe frequent full checkpoint in a database ...
问题：单选题Given below is a list of scenarios： 1） A user terminates his session abnormally. 2） The connection between the server and the client application terminates because of a network failure. 3） A schema is accidentally dropped. 4） The tablespace is accident...
问题：多选题Which two activities are NOT supported by the Data Recovery Advisor （DRA）（）ARecover from failures in the RAC environment.BDiagnose and repair a data file corruption online.CDiagnose and repair a data file corruption offline.DDiagnose and repair failure...
问题：单选题You have set Tablespace Full Metrics Threshold values for the USERS tablespace as follows： Warning （%）： 90 Critical （%）： 95 Which background process is responsible for issuing alerts when the threshold is crossed（）A System monitor （SMON）B Process mon...
问题：单选题You used the IMMEDIATE option to shut down your database instance. Consider the steps that may occurwhen a database instance is started and database is opened： 1. SGA is allocated. 2. Control file is read. 3. Redo log files are opened.4. Instance recov...
问题：多选题Which two statements are true regarding undo tablespaces（）AThe database can have more than one undo tablespace.BThe UNDO_TABLESPACE parameter is valid in both automatic andmanualundo management.CUndo segments automatically grow and shrink as needed， ac...
问题：多选题Which two statements are true about the Automatic Workload Repository （AWR）（）AAll AWR tables belong to the SYSTEM schema.BThe AWR contains systemwide tracing and logging information.CThe snapshots collected by the AWR are accessible through data dictio...
问题：多选题You executed the following command to create a tablespace called SALES_DATA： CREATE TABLESPACE sales_data DATAFILE SIZE 100M SEGMENT SPACE MANAGEMENT AUTO； Which two statements are true about the SALES_DATA tablespace （）AThe database automatically d...
问题：多选题You perform differential incremental level 1 backups of your database on each working day and level 0 backup on Sundays， to tape. Which two statements are true about differential incremental backups（）AThe backup performed on Sundays contains all the b...
问题：单选题Your database is open and the LISTENER listener is running. The new DBA of the system stops thelistener by using the command： LSNRCTL STOP What happens to the sessions that are presently connected to the database instance（）A The sessions are able to ...
问题：You want to enable archiving on your database. Presently， th...
问题：单选题Your database is functional with a peak load for the last one hour. You want to preserve theperformance statistics collected during this period to be used for comparison when you analyze theperformance of the database in the future. What action would ...
问题：单选题In which situation is the UNDO_RETENTION parameter be ignored， even if it is set to a value（）A When the data file of the undo tablespace is autoextensibleB When there are more than one undo tablespaces available in the databaseC When the undo tablespac...
问题：多选题Your database instance is running with full workload after database creation. You have decided to useafixed-sizeundo tablespace. You want to use the Undo Advisor to estimate the capacity of the undotablespace. Which two factors must you consider befor...
问题：单选题ou executed the command to create a password file in the database server： $ orapwd file=orapworcl entries=5 ignorecase=N Which statement describes the purpose of the above password file（）A It records usernames and passwords of users when granted the D...
问题：单选题You executed this command to create a temporary table： SQL CREATE GLOBAL TEMPORARY TABLE report_work_area （startdate DATE， enddateDATE， class CHAR（20）） ON COMMIT PRESERVE ROWS； Which statement is true about the rows inserted into the REPORT_WORK_AREA t...
问题：多选题Examine the following statement that is used to modify the constraint on the SALES table： SQL ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE； Which three statements are true regarding the above command（）AThe constraint remains valid.BThe index...
问题：多选题You executed the following command to create a tablespace called SALES_DATA： SQL CREATE TABLESPACE sales_data DATAFILE SIZE 100M SEGMENT SPACE MANAGEMENT AUTO； Which two statements are true about the SALES_DATA tablespace（）AThe database automatically d...
问题：多选题Which three operations require undo data（）Acommitting a transactionBflashing back a transactionCrecovering a failed transactionDrunning a read-consistent queryEchanging a tablespace status from READ ONLY to READ WRITE...
