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Oracle 1Z0-182 Exam Syllabus Topics:

Topic
Details

Topic 1

Introduction to Performance: This section evaluates the expertise of Performance Analysts in summarizing Oracle database performance management techniques. It includes measuring database performance using SQL execution plans, directives, and advisors to ensure optimal system efficiency.

Topic 2

Managing Undo: This domain measures the skills of Database Administrators in using undo data effectively. It compares undo data with redo data and explains temporary undo usage for efficient transaction management.

Topic 3

Moving Data: This section evaluates the expertise of Data Migration Specialists in moving data within Oracle databases. It includes using external tables, executing Oracle Data Pump operations, and distinguishing SQL*Loader commands for importing data efficiently.

Topic 4

Managing Storage: This section tests the knowledge of Storage Engineers in managing storage features such as resumable space allocation, segment space-saving, and block space management. It also includes defining segment characteristics to optimize storage utilization.

Topic 5

Managing Tablespaces and Datafiles: This section assesses the abilities of Storage Administrators in creating, modifying, and describing tablespaces. It also covers recognizing data storage requirements and understanding datafile placement for efficient storage management.

Topic 6

Managing Users, Roles, and Privileges: This domain evaluates the expertise of Security Administrators in implementing user security measures. It focuses on creating and managing users, roles, and privileges to ensure secure access to Oracle databases.

Topic 7

Describe Oracle Database Architecture: This section of the exam measures the skills of Database Administrators and System Architects in understanding the Oracle database architecture. It covers the configurations of Oracle database instances, memory structures like SGA and PGA, and process structures such as background processes. It also explains the logical and physical database structures, including datafiles, control files, and redo log files.

Topic 8

Configuring Oracle Net Services: This section measures the skills of Network Administrators and Database Administrators in configuring Oracle Net Services. It includes identifying administration components, describing connection methods, and ensuring seamless communication between clients and databases.

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Oracle Database 23ai Administration Associate Sample Questions (Q67-Q72):

NEW QUESTION # 67
Which three statements are true about roles?

A. Object privileges may not be granted to roles.
B. Roles must be password protected.
C. The SET ROLE statement can disable one or more roles for a session.
D. All roles granted to a user are set on default when the user logs in.
E. The SET ROLE statement can enable one or more roles for a session.
F. Roles may be granted to other roles.

Answer: C,E,F

Explanation:
Roles in Oracle manage privileges efficiently. Let's dive into each option:
A . Roles must be password protected.
False. Roles can be password-protected (e.g., CREATE ROLE mgr IDENTIFIED BY secret), but it's optional. Non-protected roles (default) are enabled automatically if granted, requiring no password.
Mechanics:Password-protected roles need SET ROLE mgr IDENTIFIED BY secret, enhancing security for sensitive privileges.
B . Roles may be granted to other roles.
True. Roles can form hierarchies (e.g., GRANT clerk TO mgr), allowing nested privilege management.
Mechanics:A user with mgr inherits clerk privileges indirectly. Revoking clerk from mgr cascades appropriately.
Practical Use:Simplifies complex privilege structures in large organizations.
C . The SET ROLE statement can enable one or more roles for a session.
True. SET ROLE role1, role2; activates specified roles for the session, assuming they're granted and not password-protected (or password is provided).
Mechanics:Enabled roles grant their privileges immediately within the session scope.
D . Object privileges may not be granted to roles.
False. Object privileges (e.g., GRANT SELECT ON emp TO clerk) are a primary use of roles, making this statement incorrect.
Why Incorrect:Roles are designed for this purpose, contradicting the option.
E . All roles granted to a user are set on default when the user logs in.
False. Only roles marked as DEFAULT ROLE (via ALTER USER ... DEFAULT ROLE role1) are enabled at login. Non-default roles require SET ROLE.
Mechanics:Check via SELECT * FROM DBA_ROLE_PRIVS WHERE DEFAULT_ROLE='YES'.
F . The SET ROLE statement can disable one or more roles for a session.
True. SET ROLE NONE disables all roles, or SET ROLE role1 implicitly disables others not listed, providing granular control.
Practical Use:Useful for testing or restricting privileges temporarily.

NEW QUESTION # 68
orcl.dmp contains a full export of the ORCL database. This command is executed to load data from orcl.dmp into the TESTDB database: [oracle@host01 ~] impdp system/oracle SCHEMAS=sh,oe REMAP_SCHEMA=sh:hr DUMPFILE=orcl.dmp EXCLUDE=index TABLE_EXISTS_ACTION=replace LOGFILE=impdp.log Which two statements are true?

A. It skips all indexes of ORCL:SH and in both ORCL:SH and TESTDB:HR.
B. It drops and re-creates tables that exist in both ORCL:SH and TESTDB:HR.
C. It drops and re-creates indexes that exist in both ORCL:SH and TESTDB:HR.
D. It skips only indexes that exist in both ORCL:SH and TESTDB:HR.
E. It skips only tables that exist in ORCL:SH and ORCL:OE.

Answer: A,B

Explanation:
A .False. EXCLUDE=index skips all indexes, not re-creates them.
B .False. TABLE_EXISTS_ACTION=replace drops and re-creates tables.
C .True. EXCLUDE=index omits all indexes from import.
D .True. replace drops and re-creates existing tables.
E .False. Skips all indexes, not just overlapping ones.

NEW QUESTION # 69
Which two statements are true about the DUAL table?

A. It can be accessed by any user who has the SELECT privilege in any schema.
B. It can be used to display only constants or pseudo columns.
C. It can display multiple rows and columns.
D. It can display multiple rows but only a single column.
E. It consists of a single row and single column of VARCHAR2 data type.
F. It can be accessed only by the SYS user.

Answer: A,E

Explanation:
A .True. DUAL is public; any user with SELECT can query it.
B .True. One row, one VARCHAR2 column (DUMMY).
C .False. Fixed at one row.
D .False. Not restricted to SYS.
E .False. One row, one column only.
F .False. Can return expressions, not just constants.

NEW QUESTION # 70
Which statement is true about database links?

A. Private database link creation requires the same user to exist in both the local and the remote databases.
B. A database link can be created only between two Oracle databases.
C. A database link created in a database allows a connection from that database's instance to the target database's instance for selecting schema data.
D. A public database link can be used by any user allowing remote database instance connection for selecting schema data.
E. A public database link can be created only by SYS.

Answer: C

Explanation:
A .False. Links can connect to non-Oracle DBs via gateways.
B .False. No such user requirement; authentication is separate.
C .False. Any user with CREATE PUBLIC DATABASE LINK can create one.
D .True. Links enable remote schema access (e.g., SELECT * FROM emp@remote).
E .False. Public links allow access, but privileges on remote objects are needed.

NEW QUESTION # 71
Which three Oracle database space management features will work with both Dictionary and Locally managed tablespaces?

A. Automatic data file extension (AUTOEXTEND).
B. Oracle Managed Files (OMF).
C. Online index segment shrink.
D. Capacity planning growth reports based on historical data in the Automatic Workload Repository (AWR).
E. Online table segment shrink.

Answer: A,B,D

Explanation:
Dictionary-managed tablespaces (DMTs) use the data dictionary for extent management, whilelocally managed tablespaces (LMTs) use bitmaps. Let's evaluate compatibility:
A . Capacity planning growth reports based on historical data in the Automatic Workload Repository (AWR).
True. AWR tracks space usage (e.g., DBA_HIST_TBSPC_SPACE_USAGE) regardless of tablespace type, enabling growth reports for both DMTs and LMTs.
Mechanics:MMON collects metrics like segment growth, stored in SYSAUX, accessible via EM or scripts.
Practical Use:Helps predict when to add data files, universal across management types.
B . Online table segment shrink.
False. ALTER TABLE ... SHRINK SPACE requires LMTs with Automatic Segment Space Management (ASSM), unavailable in DMTs, which lack bitmap-based free space tracking.
Why Incorrect:DMTs use freelists, incompatible with shrink operations.
C . Online index segment shrink.
False. Like tables, ALTER INDEX ... SHRINK SPACE requires LMTs with ASSM, not supported in DMTs.
Why Incorrect:Same limitation as B; DMTs can't compact online.
D . Oracle Managed Files (OMF).
True. OMF automates file naming and placement (via DB_CREATE_FILE_DEST) for both DMTs and LMTs, agnostic to extent management.
Mechanics:Example: CREATE TABLESPACE ts1; creates an OMF file in either type.
Edge Case:DMTs are rare in 23ai, but OMF still applies.
E . Automatic data file extension (AUTOEXTEND).
True. AUTOEXTEND ON allows data files to grow as needed, supported in both DMTs and LMTs since early versions.
Mechanics:ALTER DATABASE DATAFILE ... AUTOEXTEND ON NEXT 100M; works universally.

NEW QUESTION # 72
......

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