Valid Oracle 1Z1-082 Exam Question, Valid Test 1Z1-082 Vce Free

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Oracle 1Z1-082 Exam Syllabus Topics:

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

>> Valid Oracle 1Z1-082 Exam Question <<

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Oracle Database Administration I Sample Questions (Q43-Q48):

NEW QUESTION # 43
Examine this command:

Which two statements are true? (Choose two.)

A. The tablespace containing SALES1.DBF must be altered READ ONLY before executing the command.
B. The tablespace containing SALES1.DBF must be altered OFFLINE before executing the command.
C. The file is renamed and stored in the same location
D. If Oracle Managed Files (OMF) is used, then the file is renamed but moved to DB_CREATE_FILE_DEST.
E. DML may be performed on tables with one or more extents in this data file during the execution of this command.

Answer: C,E

NEW QUESTION # 44
Which three statements are true about dropping and unused columns in an Oracle database? (Choose three.)

A. An UNUSED column's space is reclaimed automatically when the row containing that column is next queried.
B. A primary key column referenced by another column as a foreign key can be dropped if using the CASCADE option.
C. An UNUSED column's space is reclaimed automatically when the block containing that column is next queried.
D. A column that is set to UNUSED still counts towards the limit of 1000 columns per table
E. A DROP COLUMN command can be rolled back
F. Partition key columns cannot be dropped.

Answer: B,C,D

NEW QUESTION # 45
In the ORCL database, UNDOTBS1 is the active undo tablespace with these properties:
1. A size of 100 MB
2. AUTOEXTEND is off
3. UNDO_RETENTION is set to 15 minutes
4. It has RETENTION GUARANTEE
UNDOTBS1 fills with uncommitted undo 10 minutes after the database opens.
What will happen when the next update is attempted by any transaction?

A. It succeeds and the least recently read undo block of UNDOTBS1 is overwritten by the generated undo.
B. It succeeds and the generated undo is stored in SYSTEM.
C. It succeeds and the generated undo is stored in SYSAUX.
D. It fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDOTBS1' ".
E. It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.

Answer: E

NEW QUESTION # 46
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 for the current instance and in the PFILE
B. The value is changed only in the PFILE and takes effect at the next instance startup
C. It fails because the SCOPE clause is missing
D. Change is applied to the current instance, but does not persist after instance restart

Answer: D

NEW QUESTION # 47
Which three statements are true about inner and outer joins? (Choose three.)

A. Outer joins can only be used between two tables per query
B. A full outer join must use Oracle syntax
C. A full outer join returns matched and unmatched rows
D. An inner join returns matched rows
E. Outer joins can be used when there are multiple join conditions on two tables
F. A left or right outer join returns only unmatched rows

Answer: C,D,F

NEW QUESTION # 48
......

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