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Exam Number/Code: 1Z0-052
Exam name: Oracle Database 11g: Administration I
n questions with full explanations
Certification: Oracle Certification
Last updated on Global synchronizing
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2016 Jun 1Z0-052 pdf exam
Q81. View the Exhibit to examine the details for an incident.
Which statement is true regarding the status of the incident?
A. The DBA is working on the incident and prefers that the incident be kept in the ADR
B. The incident is now in the Done state and the ADR can select the incident to be purged
C. The incident has been newly created and is in the process of collecting diagnostic information
D. The data collection for the incident is complete and the incident can be packaged and sent to Oracle Support
Q82. Which two statements about the background process of the database writer are true? (Choose two.)
A. It is possible to have multiple database writers in an Oracle instance.
B. It writes dirty buffers, if any, to data files whenever a checkpoint occurs.
C. It writes dirty buffers, if any, to data files whenever a transaction commits.
D. It writes dirty buffers, if any, to data files before the log writer (LGWR) writes.
Q83. User A executes the following command to drop a large table in your database:
SQL> DROP TABLE trans;
While the drop table operation is in progress; user B executes the following command on the same table;
SQL> DELETE FROM trans WHERE tr_type='SL'
Which statement is true regarding the DELETE command?
A. It fails to delete the records because the records are locked in the SHARE mode
B. It deletes the rows successfully because the table is locked in the SHARE mod
C. It fails to delete the records because the table is locked in EXCLUSIVE mode
D. It deletes the rows successfully because the table is locked in SHARE ROW EXCLUSIVE mode
Q84. Observe the information in the columns:
Which option has the correct match between the memory areas and their contents?
A. 1-c, 2-b, 3-d, 4-a
B. 1-b, 2-c, 3-d, 4-a
C. 1-a, 2-b, 3-c, 4-d
D. 1-a, 2-b, 3-d, 4-c
Q85. Which two statements describe good practices for an application developer to reduce locking conflicts in Oracle database? (Choose two.)
A. Avoid coding unnecessary longrunning transactions.
B. Allow the database to handle locks in default locking mode.
C. Always explicitly code the locks as per the requirement of the application.
D. Allow escalation of row locks to block locks if too many row locks cause problem.
Up to the immediate present oracle 1z0-052 dumps:
Q86. Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client while connecting to the database instance from a remote machine?
A. Host naming method
B. Local naming method
C. External naming method
D. Directory naming method
Q87. SQL> AUDIT DROP ANY TABLE BY scott BY SESSION WHENEVER SUCCESSFUL;
What is the effect of this command?
A. One audit record is created for every successful DROP TABLE command executed in the session of SCOTT
B. One audit record is generated for the session when SCOTT grants the DROP ANY TABLE privilege to other users
C. One audit record is created for the whole session if user SCOTT successfully drops one or more tables in his session
D. One audit record is created for every session of any other user in which a table owned by SCOTT is dropped successfully
E. One audit record is created for every successful DROP TABLE command executed by any user to drop tables owned by SCOTT
Q88. The job to gather optimizer statistics for objects runs as part of the automatic maintenance window in your database instance. At a certain point of time, the maintenance window closes before the statistics are gathered for all objects.
Which statement is true in this scenario?
A. The statistics collection continues until all objects are processed.
B. The job is terminated and the statistics collected are restored to a time before the job started.
C. This produces an error and the statistics collected are locked until the next time that the maintenance window is opened.
D. The job is terminated and the statistics for the remaining objects are collected the next time that the maintenance window is opened.
Q89. 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 would wait when issued in SCOTT's second session? (Choose three.)
A. LOCK TABLE emp IN SHARE MODE;
B. LOCK TABLE emp IN EXCLUSIVE MODE;
C. UPDATE emp SET sal=sal*1.2 WHERE job='MANAGER'
D. INSERT INTO emp(empno,ename) VALUES (1289,'Harry');
E. SELECT ename FROM emp WHERE job='CLERK' FOR UPDATE OF empno;
Q90. Which three statements are correct about temporary tables? (Choose three.)
A. Indexes and views can be created on temporary tables.
B. Both the data and the structure of temporary tables can be exported.
C. Temporary tables are always created in a user's temporary tablespace.
D. The data inserted into a temporary table in a session is available to other sessions.
E. Data manipulation language (DML) locks are never acquired on the data of temporary tables.
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