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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Objectives
Multitenant Architecture	- Container and pluggable databases (CDB/PDB) - Managing pluggable databases
Oracle Database Architecture	- Physical database structure - Database instance and memory structures
Database Administration	- Managing database objects - Managing users and privileges
Monitoring and Performance Management	- Performance tuning basics - Database monitoring tools
Database Installation and Configuration	- Installing Oracle Database software - Creating and configuring a database
Backup and Recovery Concepts	- Backup and restore operations - RMAN fundamentals
Database Storage Structures	- Control files and redo logs - Tablespaces and datafiles

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Oracle Database Administration I Sample Questions (Q107-Q112):

NEW QUESTION # 107
Your database instance is started with a PFILE.
Examine these parameters:

You want to increase the size of the buffer cache.
Free memory is available to increase the size of the buffer cache.
You execute the command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
What is the outcome?

A. The value is changed only in the PFILE and takes effect at the next instance startup
B. It fails because the SCOPE clause is missing
C. Change is applied to the current instance, but does not persist after instance restart
D. The value is changed for the current instance and in the PFILE

Answer: C

Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902

NEW QUESTION # 108
Which three statements are true about the Oracle join and ANSI join syntax? (Choose three.)

A. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax
B. The Oracle join syntax performs less well than the SQL:1999 compliant ANSI join syntax
C. The Oracle join syntax supports natural joins
D. The SQL:1999 compliant ANSI join syntax supports natural joins
E. The Oracle join syntax only supports right outer joins
F. The Oracle join syntax supports creation of a Cartesian product of two tables
G. The SQL:1999 compliant ANSI join syntax supports creation of a Cartesian product of two tables

Answer: D,F,G

Explanation:
https://oracle-base.com/articles/9i/ansi-iso-sql-support

NEW QUESTION # 109
Which two statements are true about Enterprise Manager Database Express? (Choose two.)

A. The same port number can be used for Database Express configurations for databases on different hosts
B. The same port number can be used for multiple Database Express configurations for multiple databases on the same host
C. It is available only when the database is open
D. It can be used to switch a database into ARCHIVELOGMODE
E. It can be used to perform database recovery

Answer: B,D

Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/admqs/getting-started-with- database-administration.html#GUID-EB851101-07BE-4038-BB9D-06E01CC7F5D5

NEW QUESTION # 110
Which two statements are true about the DUAL table? (Choose two.)

A. It can display multiple rows but only a single column
B. It can be accessed by any user who has the SELECT privilege in any schema
C. It can display multiple rows and columns
D. It consists of a single row and single column of VARCHAR2 data type
E. It can be used to display only constants or pseudo columns
F. It can be accessed only by the SYS user

Answer: C,D

Explanation:
Reference:
https://en.wikipedia.org/wiki/DUAL_table

NEW QUESTION # 111
Examine the description of the PROMOTIONS table:

You want to display the unique promotion costs in each promotion category.
Which two queries can be used? (Choose two.)

A. SELECT promo_category, DISTINCT promo_cost FROM promotions ORDER BY 2;
B. SELECT DISTINCT promo_category || ' has ' || promo_cost AS COSTS FROM promotions ORDER BY 1;
C. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;
D. SELECT promo_cost, promo_category FROM promotions ORDER BY by 1;
E. SELECT DISTINCT promo_cost || ' in ' || DISTINCT promo_category FROM promotions ORDER BY 1;

Answer: B,C

NEW QUESTION # 112
......

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