当前分类： 1Z0-052
问题：多选题Examine the following statement that is used to modify the primary key constraint on the SALES table： SQL ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE； Which three statements aretrue regarding the above command（）AThe constraint remains valid...
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问题：单选题The job to gather optimizer statistics for objects runs as part of the automatic maintenance window in yourdatabase instance. At a certain point of time， the maintenance window closes before the statistics are gatheredfor all objects. Which statement ...
问题：单选题You are managing an Oracle Database 11g database with this backup strategy： - Every Sunday night， level 0 backup is performed. - On Monday night and subsequent days， level 1 incremental backup is performed. The backups are not cumulative incremental...
问题：单选题View the Exhibit and examine the privileges granted to the MGR_ROLE role. The user SKD has been grantedthe CONNECT and RESOURCE roles only. The database administrator （DBA） grants MGR_ROLE to the userSKD by executing the command： SQL GRANT MGR_ROLE TO ...
问题：单选题To make audit information more productive， the DBA executes the following command before startingan audit operation： SQL ALTER SYSTEM SET AUDIT_TRAIL=DB，EXTENDED SCOPE=SPFILE； Which statement is true regarding the audit record generated when auditing...
问题：单选题You want to import schema objects of the HR user using Oracle Data Pump from the development database，DEVDB， to the production database， PRODDB. A database link devdb.us.oracle.com is created betweenPRODDB and DEVDB. You execute the following command o...
问题：多选题Which statements are true regarding the creation of an incident package file by using the EMWorkbench Support（）AYou can add SQL test cases to the incident package.BYou can add or remove the trace files to the package.CYou cannot create an incremental i...
问题：单选题Examine the commands executed in the following sequence： 1：SQL CREATE ROLE mgrrole； 2：SQL GRANT create user，select any table，connect，resource TO mgrrole； 3：SQL GRANT select，update ON sh.sales TO mgrrole； 4：SQL CREATE ROLE ceo IDENTIFIED BY boss； 5...
问题：单选题Automatic Shared Memory Management is disabled for your database instance. You realize that there arecases of SQL statements performing poorly because of repeated parsing activity， resulting in degradation ofperformance. What would be your next step t...
问题：单选题You want to create a role to meet these requirements： 1：The role is to be protected from unauthorized usage. 2：The password of the role is not to be embedded in the application source code or stored in a table. Which method would you use to restrict...
问题：单选题Your database instance is started using the server parameter file （SPFILE）. You executed acommand to change the value of the LOG_BUFFER initialization parameter： ALTER SYSTEM SET LOG_BUFFER=32M SCOPE=BOTH； What would be the outcome of this command（）A ...
问题：多选题Which three descriptions are correct about the effects of the TRUNCATE command on a table（）AThe corresponding indexes for the table are also truncated.BDelete triggers on the table are fired during the execution of the TRUNCATE command.CThe child table...
问题：多选题Which statements are true regarding a tablespace（）AIt can span multiple databases.BIt can consist of multiple data files.CIt can contain blocks of different sizes.DIt can contain segments of different sizes.EIt can contain a part of a nonpartitioned s...
问题：多选题The session of user SCOTT receives the following error after executing an UPDATE command on the EMPtable： ERROR at line 1： ORA-00060： deadlock detected while waiting for resource On investigation， you find that a session opened byuser JIM has a transac...
问题：单选题All the database users are presently connected to the database instance and working. The HR user hasopened three database sessions and executed the following command in one of his sessions：SQL UPDATE persons SET ccode=’U031’ WHERE ccode=’U029’； 123 row...
问题：多选题A database user SMITH tries to query the V$SESSION view and fails to access it as follows： SQL connect smith/smith Connected. SQL SELECT * FROM v$session； SELECT * FROM v$session * ERROR at line 1： ORA-00942： table or view does not exist Which ar...
问题：多选题You execute this command to drop the ITEM table， which has the primary key referred in the ORDERS table：SQL DROP TABLE scott.item CASCADE CONSTRAINTS PURGE； Which two statements are true about theeffect of the command（）ANo flashback is possible to bri...
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Which statement is true about the UNDO_RETENTION parameter when retention guarantee is not enabled（）A It is the time period after which the undo data becomes obsolete.B It is the time period after which the committed undo data would be transferred to a...
问题：单选题The TRANS_SUMMARY table contains product-wise transaction details that get updated with every transactionin the system. Each row has cumulative transaction details of a single product and every product is identified bya product code， which is the prima...
