PASS GUARANTEED 2025 ORACLE NEWEST 1Z1-182: NEW ORACLE DATABASE 23AI ADMINISTRATION ASSOCIATE TEST COST

Pass Guaranteed 2025 Oracle Newest 1Z1-182: New Oracle Database 23ai Administration Associate Test Cost

Pass Guaranteed 2025 Oracle Newest 1Z1-182: New Oracle Database 23ai Administration Associate Test Cost

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Oracle Database 23ai Administration Associate Sample Questions (Q50-Q55):

NEW QUESTION # 50
You execute this command: CREATE BIGFILE TABLESPACE big_tbs DATAFILE '/u01/oracle/data/big_f1.dbf' SIZE 20G; Sufficient storage is available in filesystem /u01. Which two statements are true about the BIG_TBS tablespace?

  • A. It must be bigger than the largest SMALLFILE tablespace.
  • B. AUTOEXTEND is possible for the datafile.
  • C. It will be a dictionary-managed tablespace by default.
  • D. Additional data files may not be added.
  • E. It will always have a 32K blocksize.

Answer: B,D

Explanation:
A .False. LMT is default in 23ai.
B .True. Bigfile tablespaces have one data file only.
C .True. AUTOEXTEND works with bigfile data files.
D .False. Block size defaults to DB_BLOCK_SIZE (e.g., 8K).
E .False. No size comparison requirement.


NEW QUESTION # 51
Which two are benefits of external tables?

  • A. They can be queried while the database is in the MOUNT state like dynamic performance views.
  • B. They can be queried, transformed, and joined with other tables without having to load the data first.
  • C. They support DELETEs, which transparently deletes records in the file system as if they were table rows.
  • D. The results of a complex join or aggregating function or both can be unloaded to a file for transportation to other systems.
  • E. They support UPDATEs, which transparently updates records in the file system as if they were table rows.

Answer: B,D

Explanation:
A .False. External tables are read-only; no DELETE.
B .False. Require OPEN state, unlike V$ views.
C .False. No UPDATE support; read-only.
D .True. Queryable like regular tables without loading.
E .True. Data Pump can unload query results to files.


NEW QUESTION # 52
Which three statements are true about Automatic Diagnostic Repository (ADR)?

  • A. The ADR base is specified in the DIAGNOSTIC_DEST database parameter.
  • B. It is only used for Oracle database diagnostic information.
  • C. It is a file-based repository held outside any database.
  • D. It can be used for the problem diagnosis of a database when that database's instance is down.
  • E. It is held inside an Oracle database schema.

Answer: A,C,D

Explanation:
A .True. ADR is a file system directory structure (e.g., /u01/app/oracle/diag), external to the database.
B .False. ADR also stores diagnostics for non-database components (e.g., ASM, listener).
C .False. It's file-based, not schema-based.
D .True. ADR logs (e.g., alert logs, trace files) are accessible even if the instance is down.
E .True. DIAGNOSTIC_DEST sets the ADR base directory.


NEW QUESTION # 53
Which two statements are true about the DUAL table?

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

Answer: B,C

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 # 54
Which two AWR-based tools listed below are part of Oracle Database self-tuning components?

  • A. Automatic Application Tracing used to collect High-Load SQL statements and statistics.
  • B. Automatic Diagnostic Collector used to capture and store database errors and hung analysis.
  • C. Automatic population of performance views (V$ views) from statistical data stored in AWR repository and using Automatic Database Diagnostic.
  • D. Automatic Application Tracing used to collect High-Load SQL statements and statistics.
  • E. Automatic capture of statistical information from the SGA and storing it in the AWR using Automatic Database Diagnostic.
  • F. ADDM, a server-based expert that reviews database performance statistics captured by Snapshots to identify potential problems before system performance degrades noticeably.

Answer: E,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 Use:Prevents performance degradation in production systems by catching trends early.
Edge Case:Limited 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 # 55
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