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Oracle 1Z1-082 Exam Syllabus Topics:

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

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Oracle Database Administration I Sample Questions (Q148-Q153):

NEW QUESTION # 148
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. Statement 1 returns only one row of output.
B. Both the statements give the same output.
C. Statement 2 returns only one row of output.
D. Both statements will return NULL if either UNIT_PRICE or QUANTITY contains NULL.
E. Statement 2 may return multiple rows of output.

Answer: A,E

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 # 149
Which three failures do not require intervention for recovery? (Choose three.)

A. user process failure
B. statement failure
C. network interface card (NIC) failure
D. media failure
E. transaction failure

Answer: A,B,E

NEW QUESTION # 150
Examine the description of the CUSTOMERS table:

You want to display details of all customers who reside in cities starting with the letter D followed by at least two characters.
Which query can be used?

A. SELECT * FROM customers WHERE city = `%D_';
B. SELECT * FROM customers WHERE city LIKE `D_';
C. SELECT * FROM customers WHERE city = `D_%';
D. SELECT * FROM customers WHERE city LIKE `D_%';

Answer: D

NEW QUESTION # 151
Which is the default column or columns for sorting output from compound queries using SET operators such as intersect In a SQL statement?

A. the first varchab2 column in the first select of the compound query
B. the first number column in the first select of the compound query
C. the first number or varchar2 column in the last select of the compound query
D. the first column in the first select of the compound query
E. the first column in the last select of the compound query

Answer: D

NEW QUESTION # 152
Which two statements are true about trace files produced by the Oracle Database server? (Choose two.)

A. They can be written by server processes
B. Trace file names are based on the database name concatenated with a sequential number
C. Trace files are written to the Fast Recovery Area (FRA)
D. All trace files contain error information that require contacting Oracle Support
E. They can be written by background processes

Answer: A,E

Explanation:
Reference:
https://gerardnico.com/db/oracle/trace_file
https://docs.oracle.com/html/E25494_01/monitoring001.htm
Each server and background process can write to an associated trace file. When an internal error is detected by a process, it dumps information about the error to its trace file. Some of the information written to a trace file is intended for the database administrator, and other information is for Oracle Support Services. Trace file information is also used to tune applications and instances.

NEW QUESTION # 153
......

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