1Z0-053 Exam Dumps | An index called ORD_CUSTNAME_IX has been created on the CUSTNAME column in the ORDERS table using the

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Question 167/702

An index called ORD_CUSTNAME_IX has been created on the CUSTNAME column in the ORDERS table using the following command:
SQL>CREATE INDEX ord_custname_ix ON orders (custname);
The ORDERS table is frequently queried using the CUSTNAME column in the WHERE clause. You want to check the impact on the performance of the queries if the index is not available. You do not want the index to be dropped or rebuilt to perform this test.
Which is the most efficient method of performing this task?

A. disabling the index

B. making the index invisible

C. making the index unusable

D. using the MONITORING USAGE clause for the index

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DR...; Question 449: How long will this backup be allowed to run? Backup as compr...; Question 450: Examine the following RMAN command: BACKUP DATABASE TAG TEST...; Question 451: The DBA has chosen to manage SGA and PGA memory separately i...; Question 452: Which of the following is not a valid calendaring syntax ele...; Question 453: Which of the following are valid until command options when ...; Question 454: Which of the following restrictions are NOT true with respec...; Question 455: A user named Arren is executing this query: select table_nam...; Question 456: What is the purpose of the recover command? (Choose all that...; Question 457: Which statements about the MEMORY_TARGET initialization para...; Question 458: Which command will restore all datafiles to the date 9/30/20...; Question 459: In your production database, users report that they are unab...; Question 460: You execute the following Recovery Manager (RMAN) commands i...; Question 461: At the request of a user, you issue the following command to...; Question 462: Which DBMS_SCHEDULER procedure(s) can be used to alter an ex...; Question 463: You issued the following RMAN command to back up the databas...; Question 464: You issue the following RMAN command to set a retention poli...; Question 465: You want to disable resumable space allocation for all sessi...; Question 466: Examine the following command used to perform incremental le...; Question 467: You are managing an Oracle Database 11g instance. You want t...; Question 468: You have discovered that one of three control files has been...; Question 469: What can you determine about the following linguistic sorts ...; Question 470: Which of the following is true about job chains?...; Question 471: Your ARCHIVELOG mode database has lost three datafiles and s...; Question 472: Which method could be utilized to identify both DML operatio...; Question 473: Which statement is true for enabling Enterprise Manager Supp...; Question 474: How many individual archive-log destination directories are ...; Question 475: Your company wants to upgrade the production database to a R...; Question 476: Your database interface is running. A user SCOTT starts a SQ...; Question 477: Using the LIST command in Recovery Manager (RMAN), which two...; Question 478: Why should you back up a duplicated tablespace after a TSPIT...; Question 479: Which statements describe the capabilities of the DBMS_NETWO...; Question 480: The database is currently open and the temp03.dbf tempfile b...; Question 481: The ADMIN_EMP table has columns EMPNO, ENAME, DEPTNO, and SA...; Question 482: What is the net effect of the following command? alter diskg...; Question 483: Compressed backups work with which of the following commands...; Question 484: Identify two options that Oracle recommends while configurin...; Question 485: Given the script create script db_backup_datafile_script { b...; Question 486: Your system has been upgraded from Oracle Database 10g to Or...; Question 487: Choose the correct order to package and upload data for an i...; Question 488: When tuning Automatic PGA Memory Management, which of the fo...; Question 489: The EMP table has some discrepancy in data entry with a part...; Question 490: Evaluate the following command and its output: SQL>SELECT...; Question 491: The following command is executed to create the baseline tem...; Question 492: You have applications that have frequently executed queries,...; Question 493: Which two statements correctly describe the relationship amo...; Question 494: When shrinking a table segment, you choose to shrink all the...; Question 495: What command is used to reset a database to a previous incar...; Question 496: Which statement is true regarding the retention policy for t...; Question 497: You configured the default backup device type as disk for RM...; Question 498: Your database is running in ARCHIVELOG mode. You have been t...; Question 499: Which command is used to configure RMAN to perform a compres...; Question 500: You have a range-partitioned table in your database. Each pa...; Question 501: Which three statements must be true before transporting a ta...; Question 502: Which mode of database shutdown requires an instance recover...; Question 503: You are trying to recover your database. During the recovery...; Question 504: What methods of point-in-time recovery are available? (Choos...; Question 505: Which three statements are true regarding the functioning of...; Question 506: Your organization decided to upgrade the existing Oracle 10g...; Question 507: Which background process of a database instance, using Autom...; Question 508: If you are going to run a TSPITR recovery, which view will h...; Question 509: Why would you run the delete obsolete command? (Choose all t...; Question 510: Evaluate the following block of code: What is the outcome of...; Question 511: Which three tasks can be performed using a duplicate databas...; Question 512: Which options would you consider while configuring a flash r...; Question 513: Over the course of a day, a department performed multiple DM...; Question 514: The database users regularly complain about the difficulty i...; Question 515: On which two database objects can the VERSIONS clause of the...; Question 516: Which type of backup backs up only data blocks modified sinc...; Question 517: Your database is running in ARCHIVELOG mode, and the databas...; Question 518: Which of the following commands will fail?...; Question 519: In a database with the database character set of US7ASCII an...; Question 520: Which of the following describes how a distributed resumable...; Question 521: You executed the following PL/SQL block successfully: The ab...; Question 522: Which dependent object will get invalidated even if it is no...; Question 523: USER_DATA is a nonencrypted tablespace that contains a set o...; Question 524: Which RMAN backup command is used to create the block-change...; Question 525: Which files will you need to perform a full recovery of a da...; Question 526: Which of the following statements is true regarding implemen...; Question 527: You are using the flash recovery area (fast recovery area in...; Question 528: You plan to set up the Automatic Workload Repository (AWR) b...; Question 529: View the Exhibit to examine the details for an incident. Whi...; Question 530: Examine the following command: SQL> ALTER TABLE booking S...; Question 531: Which statement describes the effect of table redefinition o...; Question 532: You have lost all your database control files. To recover th...; Question 533: Your database initialization parameter file has the followin...; Question 534: You installed Oracle Database 11g and are performing a manua...; Question 535: You are an Oracle DBA responsible for an ASM instance. The d...; Question 536: You are performing incomplete recovery using RMAN. You execu...; Question 537: What RMAN command must you use before you can back up a data...; Question 538: Which of the following objects can be directly referenced by...; Question 539: Given two different character sets (A and B), which of the f...; Question 540: Identify the channel settings that can be performed using th...; Question 541: View the Exhibit and examine the RMAN commands. Which statem...; Question 542: Which view provides information on the backup status of the ...; Question 543: Which statement about using RMAN stored scripts is true?...; Question 544: Which statements are true regarding the creation of an incid...; Question 545: Which is not a valid locale definition file type?...; Question 546: Flashback Database relies on which technologies to recover t...; Question 547: Which statement describes the significance of the CHANGE FAI...; Question 548: Examine the following command for RMAN backup: RMAN> RUN ...; Question 549: What are the two different types of database duplication? (C...; Question 550: Archived redo logs can be copied to more than one destinatio...; Question 551: You work with a newly created database. Presently, there is ...; Question 552: In Oracle 11g, which recommendations does the SQL Access Adv...; Question 553: You are managing Oracle Database 11g with an ASM storage wit...; Question 554: Which of the following is not a valid linguistic sort elemen...; Question 555: The following command is executed to shut down an Automatic ...; Question 556: Your production database is running in the ARCHIVELOG mode a...; Question 557: Which of the following calendaring syntax expressions would ...; Question 558: Which three statements correctly describe the features of th...; Question 559: An online tablespace, TEST_TBS, is full and you realize that...; Question 560: The OPTIMIZER_USE_PLAN_BASELINES parameter is set to TRUE. T...; Question 561: For which two situations would you use functionality provide...; Question 562: You want to enable automatic PGA memory management in your d...; Question 563: During the installation of Oracle Database 11g, you do not s...; Question 564: View the Exhibit for the object interdependency diagram. How...; Question 565: View the Exhibit to examine the output for the V$DIAG_INFO v...; Question 566: You want to enable resumable space allocation at the instanc...; Question 567: You plan to execute the following command to perform a Flash...; Question 568: Which command is used to open the database after an incomple...; Question 569: You executed the following commands: SQL> ALTER SESSION S...; Question 570: A user receives the following error while performing a large...; Question 571: You are managing the APPPROD database as a DBA. You plan to ...; Question 572: You have enabled backup optimization for the RMAN environmen...; Question 573: View the Exhibit and examine the data manipulation language ...; Question 574: Which statements are true regarding the Query Result Cache? ...; Question 575: Which three components does the Scheduler use for managing t...; Question 576: For which of the following can you use Segment Shrink? (Choo...; Question 577: You are using RMAN to backup your ARCHIVELOG mode database. ...; Question 578: View the Exhibit to examine a portion of the output from the...; Question 579: Which of the following statements are true about the BACKUP ...; Question 580: What are the different logging modes available in Oracle Dat...; Question 581: What will be the end result of this set of RMAN commands? sh...; Question 582: During recovery, you need to know if log sequence 11 is in t...; Question 583: You are maintaining the SALES database. You have added a new...; Question 584: Note the following parameters settings in your database: You...; Question 585: Which components are needed for successful and most efficien...; Question 586: Which is true concerning Database Replay in an Oracle Real A...; Question 587: Examine the following set of RMAN commands: RMAN> CONFIGU...; Question 588: How is block-change tracking enabled?...; Question 589: Your database is in ARCHIVELOG mode. You have two online red...; Question 590: Multiple RMAN sessions are connected to the database instanc...; Question 591: You opened the encryption wallet and then issued the followi...; Question 592: You perform a backup using the following BACKUP command: RMA...; Question 593: Which two statements are true about an image copy backup? (C...; Question 594: What is the correct order of the following commands if you w...; Question 595: Examine the following command: ALTER DISKGROUP data MOUNT FO...; Question 596: Which of the following methods can be used to detect block c...; Question 597: Every resource plan must contain an allocation to which cons...; Question 598: View the Exhibit to examine the error while executing the RE...; Question 599: AUM (Automatic UNDO Management) has been retaining about 15 ...; Question 600: You have enabled backup optimization in RMAN. You issue the ...; Question 601: The database is running in the ARCHIVELOG mode. It has three...; Question 602: Which type of database file is spread across all disks in a ...; Question 603: Which two statements are true regarding the functionality of...; Question 604: Which of the following information will be gathered by the S...; Question 605: Which of the following is a prerequisite for running DBMS_TD...; Question 606: You set the following parameters in the parameter file and r...; Question 607: Automatic data conversion will occur if which of the followi...; Question 608: What are the prerequisites for performing flashback transact...; Question 609: Which three functions are performed by the SQL Tuning Adviso...; Question 610: View the Exhibit and examine the disk groups created at the ...; Question 611: What does the output on this report indicate?...; Question 612: View the Exhibit to examine the Automatic SQL Tuning result ...; Question 613: If you use ALTER DISKGROUP ... ADD DISK and specify a wildca...; Question 614: Which two commands never trigger an implicit rebalancing wit...; Question 615: You want the ability to recovery any time within the last se...; Question 616: Evaluate the following command: SQL> CREATE TABLE design_...; Question 617: Given the following RMAN commands, choose the option that re...; Question 618: Your developers have asked you to restore the development da...; Question 619: You plan to control idle sessions that are blocking other se...; Question 620: Which two statements are true about a duplicate database tha...; Question 621: When issuing the duplicate database command, you use the par...; Question 622: To control the execution of a server process when it is rece...; Question 623: Examine the following commands and their output: SQL> SEL...; Question 624: Which files are required for a full recovery of the database...; Question 625: If you issue the command shutdown abort prior to trying to p...; Question 626: You have lost all your RMAN backup set pieces due to a disk ...; Question 627: Which steps are mandatory to enable Direct NFS? 1 2 3 . Moun...; Question 628: The RECYCLEBIN parameter is set to ON for your database. You...; Question 629: Your company wants to upgrade the current production databas...; Question 630: What information does the report schema command not provide?...; Question 631: You want to use RMAN to create compressed backups. Which sta...; Question 632: What is the purpose of the RMAN recovery catalog? (Choose al...; Question 633: Observe the following PL/SQL block: BEGIN dbms_spm.configure...; Question 634: The following databases are registered in the base recovery ...; Question 635: Your database has experienced a loss of datafile users_01.db...; Question 636: What is an obsolete backup set?...; Question 637: You can back up the RMAN recovery catalog with RMAN....; Question 638: What is the purpose of the catalog command?...; Question 639: Which of the following are NOT fundamental tasks of the Supp...; Question 640: Identify the activities performed as part of the Automatic S...; Question 641: In Oracle 11g, by default which one of the following conditi...; Question 642: You executed the following command in Recovery Manager (RMAN...; Question 643: In Recovery Manager (RMAN), you are taking image copies of t...; Question 644: Which command would correctly start a TSPITR of the USERS ta...; Question 645: To manually configure the SGA components using Oracle Enterp...; Question 646: Which of the following are true concerning block media recov...; Question 647: You performed the RMAN database backup having a backupset ke...; Question 648: You are working on a CATDB database that contains an Oracle ...; Question 649: The following databases are registered in the base recovery ...; Question 650: Which of these formats represents the correct hierarchy for ...; Question 651: Which of the following is a valid way of putting a tablespac...; Question 652: Which two operations are NOT performed by the DUPLICATE comm...; Question 653: Which view shows all valid values for the NLS_LANGUAGE, NLS_...; Question 654: You executed the following command to drop a user: DROP USER...; Question 655: When a job exceeds the date specified in its END_DATE attrib...; Question 656: Identify three key features of ASM. (Choose three.)...; Question 657: Given the following steps, which would be the correct order ...; Question 658: You are managing an Oracle Database 11g instance and an Orac...; Question 659: What Oracle process runs when the database is in ARCHIVELOG ...; Question 660: View the Exhibit-1 to observe the maintenance window propert...; Question 661: For Oracle 11g, Oracle strongly recommends that you configur...; Question 662: Which two statements are true about the Automatic Diagnostic...; Question 663: You need to create a partitioned table to store historical d...; Question 664: You want to schedule a job to rebuild all indexes on the SAL...; Question 665: The user SYS creates a job by using the following command: B...; Question 666: Which two statements are true regarding the Automatic Diagno...; Question 667: Your database is in NOARCHIVELOG mode. You start to do a bac...; Question 668: You are managing an Oracle Database 11g instance with ASM st...; Question 669: You are using the control file to maintain information about...; Question 670: The following query will provide what information about tran...; Question 671: You backed up the database at 8 a.m. today using an online b...; Question 672: You notice that a long-running transaction is suspended due ...; Question 673: Which of the following Oracle features is enabled by setting...; Question 674: When performing an online backup, what is the proper order o...; Question 675: After you have restored and recovered a database to a new ho...; Question 676: Which options must you configure while performing an automat...; Question 677: When performing a full database disaster recovery with RMAN,...; Question 678: Which client requests to the database can be captured as a p...; Question 679: You executed the following commands in a database session: W...; Question 680: Consider the following command: backup database plus archive...; Question 681: What is the result of this command? RMAN> Report need bac...; Question 682: Identify the persistent configuration setting for the target...; Question 683: Following is the list of locations in random order where ora...; Question 684: You plan to use Flashback Drop feature to recover a dropped ...; Question 685: Your production database is running in archivelog mode and y...; Question 686: Which three tasks can be performed using a duplicate databas...; Question 687: Which method would you use to undo the changes made by a par...; Question 688: You performed the RMAN database backup with the KEEP option....; Question 689: The NLS_LANGUAGE parameter specifies the default conventions...; Question 690: You have control-file autobackups enabled. When starting you...; Question 691: Which initialization parameter in an ASM instance specifies ...; Question 692: Which statement is true regarding the VALIDATE DATABASE comm...; Question 693: What is the name of the file that identifies the set of avai...; Question 694: You have configured flash recovery area in your database and...; Question 695: Which two statements are true about the compressed backups i...; Question 696: You plan to control the sessions performing a huge number of...; Question 697: View the following SQL statements: Transaction T1 SQL> IN...; Question 698: How many different calendars does Oracle 11g support?...; Question 699: What is the default AU size of an ASM disk group? What is th...; Question 700: Which of the following ALTER DISKGROUP commands does not use...; Question 701: View the Exhibit and examine the output. You execute the fol...; Question 702: You need to perform an online table redefinition of an exist...

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