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Oracle 1Z0-082 Exam Syllabus Topics:

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

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Oracle Database Administration I Sample Questions (Q62-Q67):

NEW QUESTION # 62
Which three statements are true about Oracle synonyms? (Choose three.)

A. A SEQUENCE can have a synonym
B. A synonym can be available to all users
C. A synonym cannot be created for a PL/SQL package
D. A synonym created by one user can refer to an object belonging to another user
E. Any user can drop a PUBLIC synonym

Answer: A,B,D

NEW QUESTION # 63
You want to use table compression suitable for OLTP that will:
1. Compress rows for all DML statements on that table
2. Minimize the overheads associated with compression
Which compression option is best suited for this?

A. COLUMN STORE COMPRESS FOR ARCHIVE LOW
B. ROW STORE COMPRESS BASIC
C. ROW STORE COMPRESS ADVANCED
D. COLUMN STORE COMPRESS FOR QUERY LOW
E. COLUMN STORE COMPRESS FOR ARCHIVE HIGH

Answer: C

Explanation:
https://www.oracle.com/technetwork/database/options/compression/advanced-compression-wp-12c-1896128.pdf

NEW QUESTION # 64
Table ORDER_ITEMS contains columns ORDER_ID, UNIT_PRICE and QUANTITY, of data type NUMBER.
Examine these SQL statements:
Statement 1:
SELECT MAX(unit_price * quantity) "Maximum Order"
FROM order_items;
Statement 2:
SELECT MAX(unit_price * quantity) "Maximum Order"
FROM order_items
GROUP BY order_id;
Which two statements are true?

A. Both the statements give the same output.
B. Statement 2 may return multiple rows of output.
C. Statement 1 returns only one row of output.
D. Statement 2 returns only one row of output.
E. Both statements will return NULL if either UNIT_PRICE or QUANTITY contains NULL.

Answer: B,C

Explanation:
https://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqlj27781.html
The Expression can contain multiple column references or expressions, but it cannot contain another aggregate or subquery. It must evaluate to a built-in data type. You can therefore call methods that evaluate to built-in data types. (For example, a method that returns a java.lang.Integer or int evaluates to an INTEGER.) If an expression evaluates to NULL, the aggregate skips that value.

NEW QUESTION # 65
In one of your databases, user KING is:
1. Not a DBA user
2. An operating system (OS) user
Examine this command and its output:

What must you do so that KING is authenticated by the OS when connecting to the database instance?

A. Unset REMOTE_LOGIN_PASSWORDFILE
B. Have the OS administrator add KING to the OSDBA group
C. Grant DBA to KING
D. Set OS_AUTHEN_PREFIX to OPS$
E. Alter user KING to be IDENTIFIED EXTERNALLY

Answer: A

NEW QUESTION # 66
Which three are types of segments in an Oracle Database? (Choose three.)

A. undo
B. index
C. clusters
D. stored procedures
E. sequences
F. tables

Answer: A,C,F

NEW QUESTION # 67
......

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