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 bring back the ITEM table.BThe ORDERS table is dropped along with the ITEM table.CThe dependent referential integrity constraints in the ORDERS table are disabled.DThe dependent referential integrity constraints in the ORDERS table are removed.EThe table definition of the ITEM table and associated indexes are placed in the recycle bin
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问题：多选题Identify the situations in which you use the alert log file in your database to check the detail.（）ARunning a query on a table returns ORA-600： Internal Error.BInserting a value in a table returns ORA-01722： invalid number.CCreating a table returns ORA-00955： name is already used by an existing object.DInserting a value in a table returns ORA-00001： unique constraint （SYS.PK_TECHP） violated.EInserting a row in a table returns ORA-00060： deadlock detected while waiting for resource.
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 primary key.As part of the archival process， the company wants to transfer therows in the TRANS_SUMMARY table to the TRANS_SUMMARY_DUP table at the end of every quarter of theyear. Along with existing products， the company deals with many new products during every quarter. Whichmethod is best suited for this quarterly data transfer（）A Using the MERGE commandB Using the SQL*Loader utilityC Using the correlated UPDATE commandD Using the INSERT command to perform bulk operation
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 starts after restarting thedatabase（）A It contains only the plan for the SQL statement executed by the user.B It contains the SQL text executed by the user and the bind variables used with it.C It contains the plan and statistics associated with the SQL statement executed by the user.D It contains the plan for the SQL statement executed by the user and the bind variables used with it.
问题：多选题You receive complaints from users regarding the high waiting time for their transactions. Oninvestigation， you find that some users are not committing their transactions though they are notperforming any activity for a long time. As a result， SQL statements need to wait for row-level locks. Which two actions could you take to prevent this locking problem in the future（）ADecrease the IDLE_TIME resource limit in the profile assigned to the blocking users.BUse Database Resource Manager to automatically log out sessions that block others and are idle.CSet the limit in the profile of blocking users to control the number of blocks to be accessed in a session.DDecrease the maximum number of interested transaction list （ITL） slots for the segments on which the blocking user performs the transaction
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 is truncated when the TRUNCATE command is applied on the parent table.DThe high-water mark （HWM） is set to point to the first usable data block in the table segment.ENo undo or very little undo data is generated during the execution of the TRUNCATE command
问题：多选题Which two 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 can cause the overall degradation of the database performance.DIt prompts the Checkpoint （CKPT） process to write data to the data files and redo information to the online redo log files.
问题：多选题You are managing an Oracle Database 11g database. You configured the database to run in ARCHIVELOGmode. Which two statements are true in this scenario（）AYou must shut down the database instance to perform the backups.BYou must configure the Flash Recovery Area （FRA） for the database.CYou can perform complete database backups without closing the database.DAll the previous closed database backups including control files become invalid after you configure thedatabase to ARCHIVELOG mode.
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 to improve performance（）A Run the SQL Access AdvisorB Run the Memory Advisor for the sga.C Run the Memory Advisor for the pga.D Run the Memory Advisor for the shared pool.E Run the Memory Advisor for the buffer cache
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 on the PRODDB database server：$ impdp system/manager directory = DB_DATAdumpfile = schemas.datschemas = hr flashback_time = "TO_TIMESTAMP（’25-08-2007 14：35：00’， ’DD-MM-YYYY HH24：MI：SS’）"The command fails displaying the following error：ORA-39001： invalid argument valueORA-39000： bad dump file specification ORA-31640： unable to open dump file "/home/oracle/schema/schemas.dat" for read ORA-27037： unable toobtain file status What would you do to overcome the error（）A Add the user， SYSTEM， to the schemas option.B Add the network_link = devdb.us.oracle.com option.C Change the dumpfile option to schema.dat@devdb.us.oracle.com.D Replace the schemas option with the network_link = devdb.us.oracle.comE Replace the dumpfile option with the network_link = devdb.us.oracle.com
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 enabling of such roles（）A Create the role with global authentication.B Create the role with external authentication.C Create the role as a secure application role.D Create the role as a password-protected role.E Create a role and use Fine-Grained Access Control （FGAC） to secure the role.
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 table during a transaction（）A The rows stay in the table only until session termination.B The rows stay in the table only until the next transaction starts on the table.C The rows are visible to all current sessions after the transaction is committed.D The rows stay available for subsequent sessions after the transaction is committed
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. Which statement about Monday’s backup is true（）A The backup contains all the used blocks.B The backup contains all the used and unused blocks.C The backup contains blocks that have changed since the last level 0 backup.D The backup contains blocks that have changed since the last level 1 backup taken last week.
问题：单选题Which statement is true about the Manageability Monitor （MMON） background process（）A It transfers statistics from memory to disk at regular intervals.B It coordinates the rebalance activity for disk groups when ASM is used.C It communicates with the Automatic Storage Management （ASM） instance on behalf of the database Instance.D It performs dynamic memory management when Automatic Shared Memory Management is enabled for the Database instance
问题：单选题You are using Enterprise Manager to schedule backups for your database. Which type of script would begenerated by the backup scheduler（）A XML scriptB PL/SQL scriptC Operating system scriptThis document was downloaded from =>> http：//www.amaderforum.comD Recovery Manager （RMAN） script
问题：多选题The user HR receives the following error while inserting data into the TTK table：ERROR at line 1： ORA-01653： unable to extend table HR.TTK by 128 in tablespace SMD Upon investigation， you find that SMDis a small file tablespace. Which three action would allow the user to insert data（）AAdd a data file to the SMD tablespace.BAdd a data file to the temporary tablespace associated with the user HR.CResize the data file associated with the SMD tablespace to make it larger.DAlter the data file associated with the SMD tablespace to grow automatically.EChange the segment space management for the SMD tablespace to automatic
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：SQL> GRANT mgrrole，drop any table，create any directory TO ceo； 6：SQL> GRANT ceo TO mgrrole； Which statement is true about the above commands（）A The commands execute successfully.B Command 6 produces an error because of circular role grant.C Command 5 produces an error because a role cannot be granted to another role.D Command 3 produces an error because the MGRROLE role already contains system privileges.E The table created by HR remains and HR still has the CREATE TABLE system privilege.F The table created by HR remains and HR can grant the CREATE TABLE system privilege to other users.
问题：多选题Identify three situations in which you would NOT be able to drop a tablespace. （）Awhen the tablespace is onlineBwhen the tablespace has segments with data in itCwhen the tablespace is a default permanent tablespace for the databaseDwhen the tablespace contains a table that is currently being used by transactionsEwhen the tablespace contains undo data that is needed to rollback an uncommitted transaction
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$session * ERROR at line 1： ORA-00942： table or view does not exist Which are the two possible solutions to enable SMITH to query the data in V$SESSION（）Agranting SELECT privilege to SMITH on V$SESSIONBgranting SELECT privilege to SMITH on V_$SESSIONCasking the user SMITH to run the catalog.sql scriptDgranting SELECT privilege to SMITH on V$FIXED_TABLESEsetting the O7_DICTIONARY_ACCESSIBILITY parameter to TRUEFcreating a view based on V$SESSION and granting SELECT privilege to SMITH on the view that was created
问题：多选题User SCOTT executes the following command on the EMP table but has not issued COMMIT， ROLLBACK， or any data definition language （DDL） command： SQL> SELECT ename FROM emp 2 WHERE job=’CLERK’ FOR UPDATE OF empno； SCOTT has opened another session to work with the database instance. Which three operations wouldwait when issued in SCOTT’s second session（）ALOCK TABLE emp IN SHARE MODE；BLOCK TABLE emp IN EXCLUSIVE MODE；CUPDATE emp SET sal=sal*1.2 WHERE job=MANAGER；DINSERT INTO emp（empno，ename） VALUES （1289，’Harry’）；ESELECT ename FROM emp WHERE job=’CLERK’ FOR UPDATE OF empno；
