当前分类: OCP 11G认证考试
问题:单选题Which tuning tool recommends how to optimize materialized views so that these views can take advantage of the general query rewrite feature?()A Segment AdvisorB SQL Access AdvisorC Undo AdvisorD SQL Tuning Advisor...
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问题:单选题Your archive-log destination directory runs out of space. What is the impact of this on the database?()A None. The database will switch over to the stand-by archive-log destination directory. B A warning message will be written to the alert log of the ...
问题:多选题When does a transaction complete?()Awhen a DELETE statement is executedBwhen a ROLLBACK command is executedCwhen a PL/SQL anonymous block is executedDwhen a data definition language (DDL) statement is executedEwhen a TRUNCATE statement is executed afte...
问题:单选题The Database Resource Manager is automatically enabled in the maintenance window that runs the Automated Maintenance Task. What is the reason for this?()A to prevent the creation of an excessive number of scheduler job classesB to allow the Automated M...
问题:多选题Which two kinds of failures make the Data Recovery Advisor (DRA)generate a manual checklist? ()Afailures because a data file is renamed by errorBfailures when no standby database is configuredCfailures that require no archive logs to be applied for rec...
问题:单选题Your database interface is running. A user SCOTT starts a SQL *Plus session, and issues the following query: SQL SELECT * FROM sales; Which process would retrieve the result from the database and return it to the client program?()A User processB Server...
问题:单选题View the Exhibit that sets the threshold for the Current Open Cursors Count metric.Why is the Significance Level threshold type not available in the threshold setting?()A because AWR baseline is not enabledB because Current Open Cursors Count is not ...
问题:单选题Examine the following command: SQL ALTER TABLE booking SHRINK SPACE COMPACT; Which activity is performed when the preceding command is executed?()A The shrink operation touches every block in the BOOKING tableB The high-water mark (HWM) for the BOOKING...
问题:单选题You performed the RMAN database backup having a backupset key number 231 with the KEEP FOREVER option. After some days, you want to change the status of the database backup and you issued the following command: RMANCHANGE BACKUPSET 231 NOKEEP; What is ...
问题:The database is currently open and the temp03.dbf tempfile b...
问题:单选题Sales details are being stored on a daily basis in the SALES_2007 table. A large amount of data is added to the table daily. To save disk space, you issued the following command: ALTER TABLE sales_2007 COMPRESS FOR ALL OPERATIONS; What would be the out...
问题:单选题You issued the following command on the temporary tablespace LMTEMP in your database: SQLALTER TABLESPACE lmtemp SHRINK SPACE KEEP 20M; Which requirement must be fulfilled for this command to succeed?()A The tablespace must be locally managed.B The tab...
问题:多选题Immediately after adding a new disk to or removing an existing disk from an ASM instance, you find that the performance of the database goes down initially until the time the addition or removal process is completed, and then gradually becomes normal. ...
问题:多选题Which three statements about performance analysis by SQL Performance Analyzer are true? ()AIt detects changes in SQL execution plans.BIt produces results that can be used to create the SQL plan baseline.CThe importance of SQL statements is based on the...
问题:单选题Which statement about Automatic Memory Management with Oracle 11g is true?()A You cannot specify MEMORY_TARGET if you explicitly specify SGA_TARGET or PGA_AGGREGATE_TARGET values that are greater than zero in your parameter file.B Oracle can reallocate...
问题:单选题The SQL Tuning Advisor configuration has default settings in your database instance. Which recommendation is automatically implemented after the SQL Tuning Advisor is run as part of the automatic maintenance task?()A statistics recommendationsB SQL Pro...
问题:多选题You need to generate a list of all customer last names with their credit limits from the CUSTOMERS table. Those customers who do not have a credit limit should appear last in the list. Which two queries would achieve the required result?()ASELECT cust_...
问题:多选题Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.()ABackup retention policyBDefault backup device typeCDefault destinations for backupsDMultiple backup device types for single backupEDef...
问题:单选题How many individual archive-log destination directories are supported by Oracle Database11g?()A 7 B 1 C 10 D 11 E 21...
问题:多选题Which two statements regarding a SQL profile are true?()AIt is built by Automatic Tuning Optimizer.BIt cannot be stored persistently in the data dictionary.CIt can be used by the query optimizer automatically.DIt can be created manually by using the CR...