Guide de formation plus récente de Oracle 1Z0-141 1Z0-035 1Z0-033 1Z0-032 1Z0-031 1Z0-007

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Code d'Examen: 1Z0-141

Nom d'Examen: Oracle (Oracle9i forma Developer:build internet applications)

Questions et réponses: 138 Q&As

Code d'Examen: 1Z0-035

Nom d'Examen: Oracle (Oracle9i dba new features for Oracle7.3 and Oracle9 ocps)

Questions et réponses: 168 Q&As

Code d'Examen: 1Z0-033

Nom d'Examen: Oracle (Oracle9i Database:Performance Tuning)

Questions et réponses: 210 Q&As

Code d'Examen: 1Z0-032

Nom d'Examen: Oracle (Oracle9l database:fundamentals ii)

Questions et réponses: 108 Q&As

Code d'Examen: 1Z0-031

Nom d'Examen: Oracle (Oracle9i database:fundamentals i)

Questions et réponses: 172 Q&As

Code d'Examen: 1Z0-007

Nom d'Examen: Oracle (Introduction to Oracle9i: SQL)

Questions et réponses: 110 Q&As

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NO.1 Consider the following scenario using incremental backups. A level 1 backup is taken on the
first of the month. A level 2 backup is taken every Sunday, and a level 3 backup is taken daily. If
the database gets corrupted on the second Wednesday of the month and is lost, which scenario
would restore the database completely?
A.the weekly backup (level 2) and the daily backup (level 3)
B.the monthly backup (level 1) and the daily backup (level 3)
C.a base level backup (level 0) is missing and nothing can be recovered
D.the monthly backup (level 1), the weekly backup (level 2) and the daily backup (level 3)
Correct:C

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.2 What is one benefit of using the ALTER TABLE ... MOVE command rather than a CREATE
TABLE ... AS SELECT command?
A.row chaining is eliminated.
B.index definitions are retained.
C.duplicate space is not required while the command executes.
D.all operations, such as INSERT, UPDATE, DELETE, and SELECT can be performed while the
operation completes.
Correct:B

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.3 Which two statements are true? (Choose two.)
A.Composite partitioning enables you to prevent partition elimination.
B.Composite partitioning supports hash partitioned global indexes.
C.Composite partitioning is ideal for both historical data and data placement.
D.Composite partitioning provides high performance and manageability, like range partitioning.
Correct:C D

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.4 In the Oracle9i Data Guard architecture, what is the purpose of the Log Transport Services?
A.to transfer redo log information to one or more destinations
B.to apply redo log records sent from the primary database to a standby database at the receiving
location
C.to synchronize changes to the control files on all standby databases with changes on the primary
database when a log switch occurs
D.to batch archived log files on the primary database until a defined number of checkpoints have been
processed and then to distribute the archives to each standby database
Correct:A

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.5 Examine the statement: DROP TABLESPACE IND2 INCLUDING CONTENTS AND DATAFILES;
What is the result of the statement?
A.The contents and data files belonging to the IND2 tablespace are dropped.
B.The statement will only succeed if the IND2 tablespace was built using Oracle-Managed Files (OMF)
data files.
C.The statement will only succeed if the data files belonging to the IND2 tablespace are Oracle-Managed
Files (OMF) or if the database was created using OMF.
D.The contents of the tablespace are dropped along with all its data files except those identified with the
Oracle-Managed Files (OMF) naming convention.
Correct:A

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.6 What criterion does Oracle9i use to determine whether a database file is an Oracle Managed File?
A.the filename format
B.information stored inside a data dictionary table
C.information stored in the ALERT.LOG file for the corresponding instance
D.information stored inside the corresponding initialization parameter file for the instance
Correct:A

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.7 Which type of ROWID does Oracle use for global indexes on partitioned tables?
A.local
B.extended
C.restricted
Correct:B

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.8 In order to speed foreign key creation, Oracle9i will cache the first _____ primary key values
only where there are multirow DML statements.
A.32
B.128
C.256
D.512
Correct:C

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.9 Users complain that SQL statements using a particular index fail. Using DBVERIFY, you find
that two separate blocks in the index have become corrupt. The database data files for user data
and index are very large. What is the least disruptive recovery strategy available in Oracle9i?
A.Rebuild the index using the online option.
B.Take the individual data file offline (not the whole tablespace), restore and recover the data file from
backup with RMAN, then set the data file online again.
C.Without setting the individual data file offline, use RMAN with Block Media Recovery to restore and
recover only those blocks.
D.Take the individual data file (not the whole tablespace) offline, use RMAN with Block Media Recovery to
restore and recover only those blocks, then set the data file online again.
Correct:C

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.10 Consider the following statement: SQL> EXECUTE DBMS_STATS.GATHER_SCHEMA_STATS (- 2>
ownname => 'OE', - 3> estimate_percent => DBMS_STATS.AUTO_SAMPLE_SIZE, - 4> method_opt
=> 'for all columns size AUTO'); What is the effect of 'for all columns size AUTO' of the
METHOD_OPT option?
A.The Oracle server creates a new histogram based on existing histogram definitions for all table, column,
and index statistics for the OE schema.
B.The Oracle server creates a histogram based on data distribution regardless of how the application
uses the column/s for all table, column, and index statistics for the OE schema.
C.The Oracle server creates a histogram based on data distribution and application usage of the
column/s for all table, column, and index statistics for the OE schema.
D.The Oracle server creates a histogram based on application usage, regardless of data distribution, for
all table, column, and index statistics for the OE schema.
Correct:C

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.11 What do you need to do in order for the Database Resource Manager to estimate, in advance,
the execution time of a statement?
A.Set the TIMED_STATISTICS initialization parameter.
B.Gather optimizer statistics on related objects.
C.Set the TIMED_OS_STATISTICS initialization parameter.
D.Nothing
Correct:B

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.12 Which CREATE TABLE parameter should you be concerned with if the length of rows in an
index-organized table vary over a wide range of values?
A.PCTFREE
B.PCTUSED
C.PCTINCREASE
D.PCTTHRESHOLD
Correct:D

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.13 Which two statements about dimensions are true? (Choose two.)
A.A hierarchy can consist of multiple levels.
B.A dimension can be based on multiple tables.
C.A dimension can contain only a single hierarchy.
D.No special privileges are required to create a dimension.
Correct:A B

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.14 Which three features are provided by Recovery Manager and NOT provided by user-managed
backup and recovery? (Choose three.)
A.online backups
B.skipping unused blocks
C.partial database backups
D.incremental block-level backup
E.detection of corrupted blocks during backup
Correct:B D E

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.15 What statement is true about taking a database default temporary tablespace offline?
A.You cannot take a default temporary tablespace offline.
B.The database must be quiesced before you perform this action.
C.You must ensure that all users are assigned to an alternative temporary tablespace first.
D.You must first ensure that the default temporary tablespace has the permanent tablespace
characteristic.
Correct:A

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.16 Which four are true regarding the Workspace Manager in Oracle9i? (Choose four.)
A.automatically versions all tables
B.automatically installed with Oracle9i
C.merges changes with parent rows or discards changes
D.provides mechanism to identify and resolve conflicts
E.allows for version enabling tables by use of a packaged procedure
Correct:B C D E

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.17 What is true about version-enabled tables?
A.The unit of versioning is the schema.
B.It is possible to version enable a table pertaining to SYS.
C.There are as many segments as versions for the same base table.
D.It is possible to create workspaces if there is no version-enabled table in the database.
Correct:D

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.18 Which two are true regarding external tables? (Choose two.)
A.External tables can be updated.
B.External tables are read-only tables.
C.Indexes can be created on external tables.
D.Indexes cannot be created on external tables.
Correct:B D

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.19 Online index rebuild functionality has been extended to include which four index structures?
(Choose four.)
A.bitmap indexes
B.reverse key indexes
C.function-based indexes
D.key-compressed indexes on regular tables
E.key-compressed indexes on IOT (including secondary indexes)
Correct:B C D E

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

NO.20 Which type of index should be created to spread the distribution of index updates across the
index tree?
A.B-tree indexes
B.bitmap indexes
C.reverse-key indexes
D.function-based indexes
Correct:C

Oracle examen   1Z0-035   1Z0-035 examen   1Z0-035

Oracle 1Z0-031 examen pratique questions et réponses

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Code d'Examen: 1Z0-031

Nom d'Examen: Oracle (Oracle9i database:fundamentals i)

Questions et réponses: 172 Q&As

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NO.1 In which situation should the control file be backed up?
A. when a checkpoint occurs
B. when you create a new schema
C. when you add a data file to a tablespace
D. when you execute any transactional control command
Answer: C

Oracle examen   certification 1Z0-031   1Z0-031 examen   1Z0-031 examen   1Z0-031

NO.2 You created the password file in your database server as follows: $ orapwd
file=$ORACLE_HOME/dbs/orapwdb password=dba entries=2 Further, you granted the SYSDBA
privilege to the user SCOTT who has TIGER as the password. What effect would the assigning of this
privilege have on Scott's password?
A. The password will not be effected and remain as TIGER.
B. The password will change from TIGER to DBA.
C. The password will be DBA when he connects as SYSDBA, and he can use either TIGER or DBA when
connecting asa normal user.
D. The password will be DBA when SCOTT connects as SYSDBA, and TIGER when connecting as a
normal user.
Answer: A

Oracle examen   certification 1Z0-031   certification 1Z0-031   1Z0-031

NO.3 Your database is currently configured with the database character set to WE8ISO8859P1 and
national character set toAL16UTF16.Business requirements dictate the need to expand language
requirements beyond the current character set, for Asian and additional Western European languages, in
the form of customer names and addresses. Which solution saves space storing Asian characters and
maintains consistent character manipulation performance?
A. Use SQL CHAR data types and change the database character set to UTF8.
B. Use SQL NCHAR data types and change the national character set to UTF8.
C. Use SQL CHAR data types and change the database character set to AL32UTF8.
D. Use SQL NCHAR data types and keep the national character set to AL16UTF16.
Answer: D

Oracle   1Z0-031   certification 1Z0-031   1Z0-031   1Z0-031

NO.4 An INSERT statement failed and is rolled back. What does this demonstrate?
A. insert recovery
B. read consistency
C. transaction recovery
D. transaction rollback
Answer: D

Oracle   1Z0-031 examen   1Z0-031   1Z0-031

NO.5 Which constraint state prevents new data that violates the constraint from being entered, but allows
invalid data toexist in the table?
A. ENABLE VALIDATE
B. DISABLE VALIDATE
C. ENABLE NOVALIDATE
D. DISABLE NOVALIDATE
Answer: C

Oracle   1Z0-031   certification 1Z0-031   1Z0-031   1Z0-031 examen

NO.6 Which command can you use to display the date and time in the form 17:45:01 JUL-12-2000 using the
default US7ASCII character set?
A. ALTER SYSTEM SET NLS_DATE_FORMAT='HH24:MI:SS MON-DD-YYYY';
B. ALTER SESSION SET DATE_FORMAT='HH24:MI:SS MON-DD-YYYY';
C. ALTER SESSION SET NLS_DATE_FORMAT='HH24:MI:SS MON-DD-YYYY';
D. ALTER SYSTEM SET NLS_DATE_FORMAT='HH:MI:SS MON-DD-YYYY';
Answer: C

Oracle examen   1Z0-031 examen   1Z0-031   1Z0-031 examen   certification 1Z0-031   1Z0-031

NO.7 In your database, you observe that a database user is executing a lot of CPU-intensive queries,
thereby causing the database performance to degrade. You want to restrict the resource utilization of that
user without affecting other database users. Which two options can you use? (Choose two.)
A. start the database in QUIESCED mode
B. use the Database Resource Manager to prioritize CPU usage
C. grant the RESTRICTED SESSION system privilege to the user
D. create a profile with resource restriction and assign it to the user
E. create a database trigger to monitor user queries and to terminate the user session if the CPU usage
exceeds a threshold value
Answer: BD

Oracle examen   certification 1Z0-031   1Z0-031   1Z0-031 examen

NO.8 Which statement regarding the creation of a dictionary-managed tablespace is true?
A. You cannot set the tablespace for NOLOGGING mode.
B. You can set segment space management clause to auto.
C. You can specify default storage for dictionary-managed tablespaces.
D. You cannot specify default storage for a tablespace that consists of an autoextensible data file.
Answer: C

Oracle examen   1Z0-031   1Z0-031   certification 1Z0-031   1Z0-031   1Z0-031

NO.9 Examine these statements: 1) MOUNT mounts the database for certain DBA activities but does not
provide user access to the database. 2) The NOMOUNT command creates only the Data Buffer but does
not provide access to the database. 3 ) The OPEN command enables users to access the database. 4)
The STARTUP command starts an instance.
Which option correctly describes whether some or all of the statements are TRUE or FALSE?
A. 2 and 3 areTRUE
B. 1 and 3 areTRUE
C. 1 is TRUE, 4 is FALSE
D. 1 is FALSE, 4 is TRUE
E. 1 is FALSE, 3 is TRUE F. 2 is FALSE, 4 is FALSE
Answer: B

Oracle   certification 1Z0-031   1Z0-031 examen   1Z0-031   1Z0-031
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NO.10 You intend to use only password authentication and have used the password file utility to create a
password file as follows:
$orapwd file=$ORACLE_HOME/dbs/orapwDB01 password=orapass entries=5 The
REMOTE_LOGIN_PASSWORDFILE initialization parameter is set to NONE. You created a user and
granted only the SYSDBA privilege to that user as follows:
CREATE USER dba_user IDENTIFIED BY dba_pass; GRANT sysdba TO dba_user; The user attempts
to connect to the database as follows: connect dba_user/dba_pass as sysdba; Why does the connection
fail?
A. The DBA privilege was not granted to dba_user.
B. REMOTE_LOGIN_PASSWORDFILE is not set to EXCLUSIVE.
C. The password file has been created in the wrong directory.
D. The user did not specify the password orapass to connect as SYSDBA.
Answer: B

Oracle examen   certification 1Z0-031   1Z0-031 examen

NO.11 ABC Company consolidated into one office building, so the very large EMPLOYEES table no longer
requires the
OFFICE_LOCATION column. The DBA decided to drop the column using the syntax below: ALTER
TABLE hr.employees DROP COLUMN building_location CASCADE CONSTRAINTS;
Dropping this column has turned out to be very time consuming and is requiring a large amount of undo
space. What could the DBA have done to minimize the problem regarding time and undo space
consumption?
A. Use the Export and Import utilities to bypass undo.
B. Mark the column as UNUSED. Remove the column at a later time when less activity is on the system.
C. Drop all indexes and constraints associated with the column prior to dropping the column.
D. Mark the column INVALID prior to beginning the drop to bypass undo. Remove the column using the
DROP UNUSED COLUMNS command.
E. Add a checkpoint to the DROP UNUSED COLUMNS command to minimize undo space.
Answer: B

Oracle   certification 1Z0-031   1Z0-031   certification 1Z0-031   1Z0-031 examen

NO.12 In your initialization parameter file, the RESOURCE_LIMIT parameter is set to FALSE. The database
users have a profile that contains both password and resource restrictions. What is the impact of this
parameter setting on the sessions of the database users?
A. All profile restrictions are effective for the sessions.
B. None of the profile restrictions are effective for the sessions.
C. Only the password restrictions are effective for the sessions.
D. No sessions can be created because the parameter is set to False.
Answer: C

Oracle   1Z0-031   certification 1Z0-031

NO.13 Which are considered types of segments?
A. only LOBs
B. only nested tables
C. only index-organized tables
D. only LOBs and index-organized tables
E. only nested tables and index-organized tables
F. only LOBs, nested tables, and index-organized tables
G. nested tables, LOBs, index-organized tables, and boot straps
Answer: G

Oracle   1Z0-031   certification 1Z0-031   1Z0-031   1Z0-031 examen

NO.14 When an Oracle instance is started, background processes are started. Background processes
perform which twofunctions? (Choose two.)
A. perform I/O
B. lock rows that are not data dictionary rows
C. monitor other Oracle processes
D. connect users to the Oracle instance
E. execute SQL statements issued through an application
Answer: AC

Oracle   1Z0-031   certification 1Z0-031   1Z0-031

NO.15 Which two statements are true regarding temporary data files (temp files) in locally managed
temporary tablespaces? (Choose two.)
A. Temp files are always set to NOLOGGING mode.
B. It is possible to rename temp files.
C. Temp files can be created by the ALTER DATABASE command.
D. Temp files are required for read-only databases.
E. Temp files can be made read only.
Answer: AD

Oracle examen   1Z0-031   1Z0-031   1Z0-031   1Z0-031

NO.16 You plan to enable user tracing in your database. You changed the value of the SQL_TRACE
parameter to TRUE in the initialization parameter file and restarted the database. Which statement is true
in this scenario?
A. A trace file created at the time of creating the database is used and updated.
B. A trace file is created every time the database starts up and is common to all the sessions.
C. A trace file is created for every schema and is common to all the sessions connected to that schema.
D. A trace file is created for every new session and is updated whenever a SQL statement is executed in
that session.
Answer: D

Oracle   certification 1Z0-031   1Z0-031

NO.17 Which password management feature ensures a user cannot reuse a password for a specified time
interval?
A. Account Locking
B. Password History
C. Password Verification
D. Password Expiration and Aging
Answer: B

Oracle   certification 1Z0-031   1Z0-031 examen   1Z0-031   1Z0-031

NO.18 Which three statements regarding an extent are true? (Choose three.)
A. It can belong to multiple segments.
B. It is a set of contiguous data blocks.
C. It can be allocated manually to a segment.
D. It may be deallocated when a table is truncated.
E. It is allocated when a new column without a DEFAULT value is added to a table.
Answer: BCD

Oracle examen   certification 1Z0-031   1Z0-031   certification 1Z0-031   1Z0-031

NO.19 You created a tablespace SH_TBS. The tablespace consists of two data files: sh_tbs_data1.dbf and
sh_tbs_data2.dbf.You created a nonpartitioned table SALES_DET in the SH_TBS tablespace. Which two
statements are true? (Choose two.)
A. The data segment is created as soon as the table is created.
B. The data segment is created when the first row in the table is inserted.
C. You can specify the name of the data file where the data segment should be stored.
D. The header block of the data segment contains a directory of the extents in the segment.
Answer: AD

Oracle   1Z0-031   certification 1Z0-031   1Z0-031

NO.20 Which process is started when a user connects to the Oracle server in a dedicated server mode?
A. DBWn
B. PMON
C. SMON
D. Server
Answer: D

Oracle   1Z0-031   1Z0-031   1Z0-031   1Z0-031 examen   1Z0-031

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