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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Understanding Oracle Database Architecture	20%	- Understanding Memory Structures - Overview of Oracle Database Architecture - Understanding Background Processes - Explaining Storage Structures - Understanding Multitenant Architecture
Topic 2: Managing Storage Structures	15%	- Managing Tablespaces and Data Files - Managing Control Files - Managing Undo Data - Managing Redo Log Files
Topic 3: Managing Database Instances	20%	- Using Initialization Parameters - Using Data Dictionary and Dynamic Performance Views - Managing Alert Log and Trace Files - Starting Up and Shutting Down Databases
Topic 4: Backup and Recovery Concepts	10%	- Using RMAN for Backup and Recovery - Understanding Backup and Recovery Architecture - Performing Complete and Incomplete Recovery
Topic 5: Configuring and Managing Oracle Network	10%	- Configuring Listener and Naming Methods - Managing Network Connections
Topic 6: Managing Data and Concurrency	10%	- Using SQL to Manage Data - Managing Locks and Concurrency - Managing Transactions
Topic 7: Administering User Accounts and Security	15%	- Implementing Security Policies - Managing Privileges and Roles - Creating and Managing Users

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Oracle Database Administration I Sample Questions (Q53-Q58):

NEW QUESTION # 53
You want to write a query that prompts for two column names and the WHERE condition each time it is executed in a session but only prompts for the table name the first time it is executed.
The variables used in your query are never undefined in your session.
Which query can be used?
SELECT &&col1, &&col2

A. FROM &&table
WHERE &condition;
SELECT &col1, &col2
B. FROM &table
WHERE '&&condition' = '&cond';
SELECT &&col1, &&col2
C. FROM &table
WHERE &&condition;
D. FROM "&table"
WHERE &condition;
SELECT '&&col1', '&&col2'
E. FROM &table
WHERE &&condition = &&cond;
SELECT &col1, &col2

Answer: A

NEW QUESTION # 54
Which two statements are true about undo and undo tablespaces?

A. An instance will crash if the active undo tablespace is lost.
B. There can be only one undo tablespace created in a database.
C. undo segments are owned by SYSTEM.
D. undo segments are owned by SYSBACKUP.
E. An undo tablespace may be owned by only one instance.

Answer: A,E

NEW QUESTION # 55
Which two statements are true about date/time functions in a session where NLS_DATE_FORMAT is set to DD-MON-YYYY HH24:MI:SS? (Choose two.)

A. CURRENT_TIMESTAMP returns the same date as CURRENT_DATE
B. CURRENT_TIMESTAMP returns the same date and time as SYSDATE with additional details of fractional seconds
C. SYSDATE and CURRENT_DATE return the current date and time set for the operating system of the database server
D. CURRENT_DATE returns the current date and time as per the session time zone
E. SYSDATE can be used in expressions only if the default date format is DD-MON-RR
F. SYSDATE can be queried only from the DUAL table

Answer: A,D

Explanation:
https://www.w3resource.com/oracle/datetime-functions/oracle-current_timestamp-function.php

NEW QUESTION # 56
Which two statements are true about Enterprise Manager Database Express? (Choose two.)

A. The same port number can be used for multiple Database Express configurations for multiple databases on the same host
B. The same port number can be used for Database Express configurations for databases on different hosts
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,C

NEW QUESTION # 57
Which three statements are true about dropping and unused columns in an Oracle database? (Choose three.)

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

Answer: A,B,F

NEW QUESTION # 58
......

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