当前分类: 1z0-043
问题:单选题From the V$SESSION_LONGOPS view, you find that some of the database users have long-running queries that consume a lot of CPU time. This causes performance problems for other users in the database, who have much shorter queries. You would like to make...
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问题:单选题You have specified the warning and critical threshold values of an application tablespace to be 60% and 70%, respectively. From the tablespace space usage metrics, you find that the actual space usage has reached the specified warning threshold value, ...
问题:You have configured Automatic Shared Memory Management. Whic...
问题:多选题You have the following online redo log configuration: Group Member 1 ’/disk1/oradata/redo01a.log’ 2 ’/disk2/oradata/redo02a.log’ 3 ’/disk3/oradata/redo03a.log’ You decide to multiplex the online redo log groups for recovery...
问题:You have specified the warning and critical threshold values...
问题:单选题Consider the following command to add a new disk group called "tdgroupA" with two failover groups: CREATE DISKGROUP tdgroupA NORMAL REDUNDANCY FAILOVERGROUP control01 DISK ’/devices/A1’, ’/devices/A2’, ’/devices/A3’ FAILOVERGROUP control02 DISK ’/de...
问题:多选题Your database operates in ARCHIVELOG mode and all the tablespaces are online. Due to a user error, you decided to perform an incomplete recovery. Which two tasks would you be required to perform in the recovery process? ()Aopen the database with the R...
问题:单选题You observe that the senior database administrator always uses the following command when connecting to Recovery Manager (RMAN), and then starts executing commands to backup the database files: % rman target / What would be the effect of this command?(...
问题:单选题A redo log file is corrupted while the database is open; as a consequence, database operations are stopped because archiving cannot continue. What would you do to solve the problem?()A clear the redo log groupB perform redo log file importC perform ...
问题:单选题You executed the following code: SQL CREATE TABLE COUNTRY (COUNTRY_ID CHAR(2) CONSTRAINT COUNTRY_ID_nn NOT NULL, COUNTRY_NAME VARCHAR2(20), CURRENCY_NAME VARCHAR2(20), CONSTRAINT COUNTRY_ID_PK PRIMARY KEY (COUNTRY_ID)) ORGANIZATION INDEX; ...
问题:The DB_BLOCK_CHECKINGinitialization parameter is set to TRUE...
问题:单选题You enabled the flashback logging feature, but you have not specified the location of the flash recovery area. Which location would be used as the default location for the flash recovery area?()A the location used for control filesB the location used ...
问题:单选题Consider the following command to create a tablespace in your production database (which is using an Automatic Storage Management [ASM] instance to manage the database files): CREATE TABLESPACE user_tbsp DATAFILE ’+dgroup3(user_temp)/user_files/user_...
问题:单选题In your test database, you have created the ORDERS table as an index-organized table (IOT). To facilitate faster querying, you have created a mapping table and a bitmap index on the ORDER_FILLED column. You observe that the query performance degrees wh...
问题:On Monday, you dropped the DEPT table from your schema and t...
问题:单选题From the V$SESSION_LONGOPS view, you find that some of the database users have long/x7frunning queries and are consuming a lot of CPU time. This causes problems for you when you try to log on as the system user and perform small maintenance tasks. You ...
问题:单选题You want to estimate the size of a table by using the Oracle Enterprise Manager. On which data is the size of the table NOT based?()A column sizesB column data typesC PCTFREED projected number of rowE PCTUSED...
问题:多选题You have set the value of the NLS_TIMESTAMP_TZ_FORMAT parameter in the parameter file to YYYY-MM-DD. The default format of which two data types would be affected by this setting? ()ADATEBTIMESTAMPCINTERVAL YEAR TO MONTHDINTERVAL DAY TO SECONDETIMESTAMP...
问题:单选题Very soon you will be performing maintenance operations. You would have several jobs to run as soon as the maintenance period starts. Which method would you use to create jobs without specifying the time period when the job should be run?()A use DBMS_...
问题:多选题You used the following command in Recovery Manager (RMAN) as part of the recovery process: RESTORE CONTROLFILE FROM AUTOBACKUP; How does RMAN find the control file autobackup?()ABy using the trace file.BBy using the alert log file.CBy using the datab...