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Updated 1Z0-182 Dumps, 1Z0-182 Latest Cram Materials

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Oracle Database 23ai Administration Associate Sample Questions (Q63-Q68):NEW QUESTION # 63
You want to view the initialization parameter settings for only a specific PDB. Which of the following statements is true?
  • A. From the PDB, execute SELECT db_uniq_name, pdb_uid, name, value$ FROM pdb_spfile$;
  • B. From the CDB root, execute SELECT NAME, VALUE, ISPDB_MODIFIABLE FROM v$parameter;
  • C. From the CDB root, execute SELECT db_uniq_name, pdb_uid, name, value$ FROM pdb_spfiles;
  • D. From the PDB, execute SELECT NAME, VALUE, ISPDB_MODIFIABLE FROM v$parameter;
Answer: D
Explanation:
A .Incorrect syntax and view (pdb_spfile$ is not a valid view; PDB_SPFILE$ exists but lacks value$).
B .From CDB root, V$PARAMETER shows all parameters, not PDB-specific ones.
C .pdb_spfiles is not a valid view; PDB_SPFILE$ exists but requires scoping to a PDB.
D .True. From the PDB, V$PARAMETER shows parameters specific to that PDB, including inherited and PDB-modified values, with ISPDB_MODIFIABLE indicating alterability.

NEW QUESTION # 64
Which two AWR-based tools listed below are part of Oracle Database self-tuning components?
  • A. Automatic population of performance views (V$ views) from statistical data stored in AWR repository and using Automatic Database Diagnostic.
  • B. ADDM, a server-based expert that reviews database performance statistics captured by Snapshots to identify potential problems before system performance degrades noticeably.
  • C. Automatic Application Tracing used to collect High-Load SQL statements and statistics.
  • D. Automatic Diagnostic Collector used to capture and store database errors and hung analysis.
  • E. Automatic Application Tracing used to collect High-Load SQL statements and statistics.
  • F. Automatic capture of statistical information from the SGA and storing it in the AWR using Automatic Database Diagnostic.
Answer: B,F
Explanation:
False. No "Automatic Application Tracing" exists as an AWR tool. SQL tracing (e.g., DBMS_MONITOR) is manual, and high-load SQL is captured by AWR indirectly via V$SQL snapshots, not a distinct tracing tool.
Why Incorrect:Conflates manual tracing with AWR's passive collection.
Explanation:
The Automatic Workload Repository (AWR) is a cornerstone of Oracle's self-tuning capabilities, collecting and storing performance statistics for analysis. Let's dissect each option:
A : Automatic capture of statistical information from the SGA and storing it in the AWR using Automatic Database Diagnostic.
True. AWR automatically captures statistics (e.g., wait events, SQL stats) from the System Global Area (SGA) via the MMON (Manageability Monitor) process, storing them in the AWR repository (in SYSAUX). This is part of the Automatic Database Diagnostic Monitor (ADDM) framework, though "Automatic Database Diagnostic" likely refers to this broader mechanism.
Mechanics:Snapshots are taken hourly by default (configurable via DBMS_WORKLOAD_REPOSITORY.MODIFY_SNAPSHOT_SETTINGS), persisting data like DBA_HIST_SYSSTAT for self-tuning analysis.
Practical Use:Enables historical performance tracking, feeding tools like ADDM and SQL Tuning Advisor.
Edge Case:If STATISTICS_LEVEL=BASIC, AWR collection is disabled, haltingself-tuning.
Historical Note:Introduced in 10g, enhanced in 23ai for finer granularity.
B : ADDM, a server-based expert that reviews database performance statistics captured by Snapshots to identify potential problems before system performance degrades noticeably.
True. The Automatic Database Diagnostic Monitor (ADDM) analyzes AWR snapshots to proactively detect issues (e.g., high CPU usage, I/O bottlenecks) and recommend fixes. It runs automatically after each snapshot in maintenance windows.
Mechanics:ADDM uses DBA_ADVISOR_FINDINGS to log issues, leveraging AWR data like DBA_HIST_SQLSTAT. Example: It might suggest adding an index for a slow query.
Practical Userevents performance degradation in production systems by catching trends early.
Edge Caseimited by snapshot frequency; real-time issues may need manual intervention.
C : Automatic Diagnostic Collector used to capture and store database errors and hung analysis.
False. No such tool exists as an "Automatic Diagnostic Collector" in AWR context. This likely confuses the Incident Packaging Service (IPS) or ADR (Automatic Diagnostic Repository), which handles errors but isn't AWR-based or self-tuning.
Why Incorrect:ADR collects trace files and logs, not AWR statistics, and isn't part of self-tuning.
D : Automatic population of performance views (V$ views) from statistical data stored in AWR repository and using Automatic Database Diagnostic.
False. V$ views (e.g., V$SESSION) are real-time memory structures in the SGA, not populated from AWR, which is historical (e.g., DBA_HIST_*). AWR doesn't back-feed V$ views; the reverse occurs via snapshots.
Why Incorrect:Misunderstands the data flow; AWR is a sink, not a source for V$ views.

NEW QUESTION # 65
Which three are benefits of using temp UNDO when performing DML on global temporary tables?
  • A. It reduces I/Os to the SYSTEM tablespace.
  • B. It reduces I/Os to the SYSAUX tablespace.
  • C. It permits DML on global temporary tables even if the database is opened read-only.
  • D. It reduces the amount of UNDO stored in the UNDO tablespace.
  • E. It reduces the amount of redo generated.
Answer: A,D,E
Explanation:
Temp UNDO, introduced in Oracle 12c and refined in 23ai, stores undo for global temporary tables (GTTs) in temporary tablespaces:
A . It permits DML on GTTs even if the database is opened read-only.False. In read-only mode, DML on GTTs is allowed regardless of temp UNDO, as GTT data is session-private, but temp UNDO doesn't specifically enable this.
B . It reduces the amount of UNDO stored in the UNDO tablespace.True. Temp UNDO stores undo in the temporary tablespace, reducing usage of the permanent UNDO tablespace.
C . It reduces I/Os to the SYSTEM tablespace.True. By avoiding permanent undo, it reduces metadata updates in the SYSTEM tablespace related to undo management.
D . It reduces the amount of redo generated.True. Temp UNDO changes are not redo-logged to the same extent as permanent undo, minimizing redo generation.
E . It reduces I/Os to the SYSAUX tablespace.False. SYSAUX is unrelated to undo management; temp UNDO affects temporary and SYSTEM tablespaces.

NEW QUESTION # 66
At which two container database levels can COMMON Unified Audit Policies be used?
  • A. At any level by using the COMMON option in the policy.
  • B. At the PDB level if the policy is created by a COMMON user.
  • C. At the Application Root level of an Application Container.
  • D. At the CDB level.
  • E. COMMON Unified Audit Policies can only be created at CDB level to monitor DBA operation at any level.
Answer: B,D
Explanation:
A .False. Not limited to CDB; PDBs can use common policies.
B .True. Common policies apply at CDB level.
C .False. Application Root uses app-specific policies.
D .False. "COMMON option" isn't a feature; policies are common by creation context.
E .True. A common user can create policies for PDBs.

NEW QUESTION # 67
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 manifest and all the datafiles must be copied to the target CDB.
  • B. The PDB manifest, the data files, and the PDB archive file must be copied to the target CDB.
  • C. PDB archive file and only the user-defined tablespaces must be copied to the target CDB.
  • D. The PDB archive file must be copied to the target CDB.
Answer: B
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 # 68
......
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