최신1Z0-083시험대비덤프최신문제공부문제

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Oracle 1Z0-083 Exam Syllabus Topics:

SectionObjectives
Backup and Recovery- Flashback Technologies
  • 1. Flashback Database
  • 2. Flashback Table
  • 3. Flashback Drop
- RMAN Configuration
  • 1. Manage backup retention policies
  • 2. Configure RMAN settings
  • 3. Backup databases and archived logs
- Restore and Recovery
  • 1. Recover CDBs and PDBs
  • 2. Perform complete recovery
  • 3. Perform incomplete recovery
Performance Monitoring and Tuning- Performance Monitoring
  • 1. Automatic Workload Repository
  • 2. Automatic Database Diagnostic Monitor
  • 3. Performance Hub
- Memory and Resource Optimization
  • 1. Wait event analysis
  • 2. Memory management
  • 3. Resource Manager
- SQL Tuning
  • 1. SQL performance analysis
  • 2. SQL Tuning Advisor
  • 3. SQL execution plans
Database Upgrades and Patching- Upgrade Operations
  • 1. Post-upgrade validation
  • 2. Database upgrade planning
  • 3. Upgrade execution
- Patch Management
  • 1. Manage Oracle patches
  • 2. Apply Release Updates
  • 3. Rollback procedures
Creating CDBs and Regular PDBs- Configure and create a CDB
  • 1. Configure initialization parameters
  • 2. Create container databases
  • 3. Manage CDB architecture
- Create and manage PDBs
  • 1. Create PDBs from seed databases
  • 2. Plug and unplug PDBs
  • 3. Clone pluggable databases
Security in Multitenant Databases- User and Privilege Management
  • 1. Roles and privileges
  • 2. Common users and local users
- Auditing and Security
  • 1. Security policies
  • 2. Unified auditing
Database Duplication and Migration- Database Duplication
  • 1. Active database duplication
  • 2. Duplicate databases using RMAN
- Transport and Migration
  • 1. Data Pump operations
  • 2. Transportable tablespaces
Managing CDBs and PDBs- Multitenant Administration
  • 1. Open and close PDBs
  • 2. Manage application containers
  • 3. Resource management
- PDB Lifecycle Operations
  • 1. Snapshot copy PDBs
  • 2. Refreshable PDBs
  • 3. Relocate PDBs

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1Z0-083시험덤프, 1Z0-083퍼펙트 덤프공부

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최신 Oracle Database 19c 1Z0-083 무료샘플문제 (Q44-Q49):

질문 # 44
Which three actions will add a resource to an Oracle Restart configuration? (Choose three.)

정답：B,C,F


질문 # 45
Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

정답：D,E

설명：
Explanation/Reference: https://docs.oracle.com/en/database/oracle/oracle-database/19/tgsql/optimizer-statistics- advisor.html#GUID-D81A7708-FDA0-45BB-A6E2-103858B047AE


질문 # 46
Examine these queries and their output:

After a system crash, an instance restart and an attempted opening of the PDBs result in:

Which two are true? (Choose two.)

정답：B,E


질문 # 47
You execute the following piece of code with appropriate privileges:
User SCOTT has been granted the CREATE SESSION privilege and the MGR role.
Which two statements are true when a session logged in as SCOTT queries the SAL column in the view and the table?

정답：D,E

설명：
Note:
* DBMS_REDACT.FULL completely redacts the column data.
* DBMS_REDACT.NONE applies no redaction on the column data. Use this function for development testing purposes. LOB columns are not supported.
* The DBMS_REDACT package provides an interface to Oracle Data Redaction, which enables you to mask (redact) data that is returned from queries issued by low-privileged users or an application.
* If you create a view chain (that is, a view based on another view), then the Data Redaction policy also applies throughout this view chain. The policies remain in effect all of the way up through this view chain, but if another policy is created for one of these views, then for the columns affected in the subsequent views, this new policy takes precedence.


질문 # 48
After implementing full Oracle Data Redaction, you change the default value for the number data type as follows:
SQL> SELECT NUMBER_VALUE FROM REDACTION_VALUES_FOR_TYPE_FULL;
NUMBER_VALUE
-------------------------
SQL> EXEC DBMS_REDACT.UPDATE_FULL_REDACTI0N_VALUES(-1)
PL/SQL procedure successfully completed.
SQL> select number_value from redaction_values_for_type_full;
NUMBER VALUE
------------------------
After changing the value, you notice that FULL redaction continues to redact numeric data with a zero.
What must you do to activate the new default value for numeric full redaction?

정답：E

설명：
About Altering the Default Full Data Redaction Value
You can alter the default displayed values for full Data Redaction polices. By default, 0 is the redacted value when Oracle Database performs full redaction (DBMS_REDACT.FULL) on a column of the NUMBER data type. If you want to change it to another value (for example, 7), then you can run the DBMS_REDACT.UPDATE_FULL_REDACTION_VALUES procedure to modify this value.
The modification applies to all of the Data Redaction policies in the current database instance.
After you modify a value, you must restart the database for it to take effect.


질문 # 49
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