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Oracle 1Z0-082 Exam Syllabus Topics:

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

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Oracle Database Administration I Sample Questions (Q57-Q62):

NEW QUESTION # 57
Which three statements are true about inner and outer joins? (Choose three.)

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

Answer: A,C,D

NEW QUESTION # 58
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: B

NEW QUESTION # 59
Which two statements are true about the rules of precedence for operators? (Choose two.)

A. The + binary operator has the highest precedence in an expression in a SQL statement
B. Arithmetic operators with equal precedence are evaluated from left to right within an expression
C. Multiple parentheses can be used to override the default precedence of operators in an expression
D. NULLS influence the precedence of operators in an expression
E. The concatenation operator | | is always evaluated before addition and subtraction in an expression

Answer: B,C

Explanation:
Reference:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/operators001.htm
https://docs.oracle.com/cd/A87860_01/doc/server.817/a85397/operator.htm Precedence is the order in which Oracle evaluates different operators in the same expression. When evaluating an expression containing multiple operators, Oracle evaluates operators with higher precedence before evaluating those with lower precedence. Oracle evaluates operators with equal precedence from left to right within an expression.

NEW QUESTION # 60
Which statement is true about aggregate functions?

A. The AVG function implicitly converts NULLS to zero
B. The MAX and MIN functions can be used on columns with character data types
C. Aggregate functions can be used in any clause of a SELECT statement
D. Aggregate functions can be nested to any number of levels

Answer: D

NEW QUESTION # 61
Which two statements are true about the Automatic Diagnostic Repository (ADR)? (Choose two.)

A. The ADR base defaults to $ORACLE_HOME/rdbms/admin ifneither DIAGNOSTIC_DEST nor ORACLE_BASE is set
B. It supports diagnostics for Automatic Storage Management (ASM)
C. It is held inside an Oracle database schema
D. It supports diagnostics for Oracle Clusterware
E. The ADR base defaults to $ORACLE_HOME/dbs if the DIAGNOSTIC_DEST parameter and the ORACLE_BASE environment variable are not set

Answer: B,D

Explanation:
The database, Oracle Automatic Storage Management (Oracle ASM), the listener, Oracle Clusterware, and other Oracle products or components store all diagnostic data in the ADR. https://docs.oracle.com/database/121/ADMIN/diag.htm#ADMIN11260

NEW QUESTION # 62
......

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