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Oracle 1Z0-082 Exam Syllabus Topics:

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

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Oracle 1Z0-082指南 - 1Z0-082考題

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最新的 Oracle Database 19c 1Z0-082 免費考試真題 (Q21-Q26):

問題 #21
Examine these SQL statements which execute successfully:

Which two statements are true after execution?

A. The primary key constraint will be enabled and deferred.
B. The foreign key constraint will be enabled and deferred.
C. The primary key constraint will be enabled and immediate.
D. The foreign key constraint will be disabled.
E. The foreign key constraint will be enabled and immediate.

答案：D

問題 #22
Which three statements are true about Deferred Segment Creation in Oracle databases?

A. Sessions may dynamically switch back and forth from deferred to immediate segment creation.
B. It is supported for SYS-owned tables contained in locally managed tablespaces.
C. It Is the default behavior for tables and indexes.
D. It Is supported for Index Organized Tables (IOTs) contained in locally managed tablespaces.
E. Indexes inherit the deferred or immediate segment creation attribute from their parent table

答案：A,C,E

問題 #23
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 written 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 least recently read undo block of UNDOTBS1 is overwritten by the generated undo.
D. It succeeds and the generated undo is stored in SYSAUX.
E. It fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace
'UNDOTBS1' ".

答案：A

解題說明：
Explanation

問題 #24
In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1.
The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains:

Which statement is true?

A. Dynamic service registration cannot be used for this database instance
B. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database instances
C. The LREG process registers services dynamically with the LISTENER_1 listener
D. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
E. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration

答案：D

解題說明：
Explanation/Reference: https://docs.oracle.com/database/121/NETAG/listenercfg.htm#NETAG292

問題 #25
Which two statements are true about the WHERE and HAVING clauses in a SELECT statement?
(Choose two.)

A. The WHERE clause can be used to exclude rows before dividing them into groups
B. Aggregating functions and columns used in HAVING clauses must be specified in the SELECT list of a query
C. The HAVING clause can be used with aggregating functions in subqueries
D. The WHERE clause can be used to exclude rows after dividing them into groups
E. WHERE and HAVING clauses can be used in the same statement only if applied to different table columns

答案：A,C

問題 #26
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