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Oracle 1Z0-182 Exam Syllabus Topics:

Topic
Details

Topic 1

Automated Maintenance: This section measures the skills of Database Administrators in describing automated maintenance tasks within Oracle databases. It focuses on applying automated features to streamline routine maintenance activities.

Topic 2

Displaying Creating and Managing PDBs: This section assesses the knowledge of Cloud Database Architects in creating pluggable databases (PDBs) from seeds or other techniques. It also covers modifying PDB modes and attributes to meet specific application requirements.

Topic 3

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 4

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 5

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 6

Describe Managing Database Instances: This section tests the knowledge of Database Administrators in performing essential tasks for managing database instances. It includes starting and shutting down databases, utilizing dynamic performance views, managing initialization parameter files, and using the Automatic Diagnostic Repository (ADR) for troubleshooting.

Topic 7

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.

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Oracle Database 23ai Administration Associate Sample Questions (Q75-Q80):

NEW QUESTION # 75
Which two are true about shrinking a segment online?

A. To shrink a table it must have a PRIMARY KEY constraint.
B. To shrink a table it must have a UNIQUE KEY constraint.
C. To shrink a table it must have row movement enabled.
D. It must be in a tablespace that uses Automatic Segment Space Management (ASSM).
E. It is not possible to shrink either indexes or Index Organized Tables (IOTs).

Answer: C,D

Explanation:
A .True. ROW MOVEMENT must be enabled for SHRINK SPACE.
B .False. Indexes and IOTs can be shrunk with CASCADE.
C .False. No such constraint requirement.
D .True. ASSM is required for online shrinking.
E .False. No primary key requirement.

NEW QUESTION # 76
Which two tasks can you perform using DBCA for databases?

A. Configure incremental backups for a new database.
B. Register a new database with an available Enterprise Manager Management server.
C. Configure a nonstandard block size for a new database.
D. Enable flashback database for an existing database.
E. Change the standard block size of an existing database.

Answer: B,C

Explanation:
A .False. Backups are configured via RMAN, not DBCA.
B .True. DBCA allows nonstandard block sizes during DB creation.
C .True. DBCA can register new DBs with EM.
D .False. Block size is fixed post-creation.
E .False. Flashback is enabled via SQL, not DBCA for existing DBs.

NEW QUESTION # 77
Which three tasks are performed by background processes in an Oracle database instance?

A. Reading database blocks into the buffer cache.
B. Writing redo to log files.
C. Writing dirty database block images from the buffer cache.
D. Registering services with Oracle Net listeners.
E. Creating dedicated server connections.
F. Reading database blocks into the buffer cache.

Answer: B,C,D

Explanation:
False. Server processes (foreground) read blocks into the buffer cache during user queries, not background processes.
Explanation:
Background processes manage core database operations. Let's break it down:
A : Creating dedicated server connections.
False. Dedicated server connections are created by the listener, not background processes. The listener hands off the connection to a server process (e.g., ora_s000), which isn't a background process.
B : Registering services with Oracle Net listeners.
True. The LREG process (Listener Registration, formerly PMON's role) registers services with listeners, using parameters like LOCAL_LISTENER.
Mechanics:LREG sends service details (e.g., orcl) to the listener every 60 seconds or on startup.
C : Writing redo to log files.
True. The LGWR (Log Writer) process writes redo entries from the redo log buffer to online redo log files, ensuring transaction durability.
Mechanics:Triggered by commits, log buffer fills, or checkpoints.
D : Writing dirty database block images from the buffer cache.
True. The DBWn (Database Writer) processes write modified (dirty) blocks from the buffer cache to data files, maintaining consistency.
Mechanics:Occurs at checkpoints or when free buffers are needed.

NEW QUESTION # 78
Which of the following statements is true about external tables?

A. They describe how data is stored in the external source.
B. They are read/write tables.
C. They describe data stored in the database.
D. They describe how the external table layer presents data to the server.

Answer: D

Explanation:
A .False. External tables are read-only.
B .True. Defines how external data (e.g., CSV) is mapped to SQL.
C .False. Data is external, not in the DB.
D .False. Storage is external; Oracle doesn't define it.

NEW QUESTION # 79
You unplugged a PDB to plug it into another CDB with the following command: SQL> ALTER PLUGGABLE DATABASE pdb1 UNPLUG INTO '/tmp/pdb1.pdb'; Which statement is true prior to plugging the PDB into the other CDB?

A. The PDB archive file must be copied to the target CDB.
B. PDB archive file and only the user-defined tablespaces must be copied to the target CDB.
C. The PDB manifest and all the datafiles must be copied to the target CDB.
D. The PDB manifest, the data files, and the PDB archive file must be copied to the target CDB.

Answer: D

Explanation:
D .True. The .pdb file (archive) contains the manifest and data files; all must be copied to the target CDB for plugging.
A-C .False. The archive alone isn't enough; all components are needed.

NEW QUESTION # 80
......

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