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1z0-062 PDF DEMO:
QUESTION NO: 1
Examine the following commands for redefining a table with Virtual Private Database (VPD) policies:
Which two statements are true about redefining the table? (Choose two.)
A. All the triggers for the table are disabled without changing any of the column names or column types in the table.
B. VPD policies are copied from the original table to the new table during online redefinition.
C. The primary key constraint on the EMPLOYEES table is disabled during redefinition.
D. You must copy the VPD policies manually from the original table to the new table during online redefinition.
Answer: B,C
Explanation
C (not D): CONS_VPD_AUTO
Used to indicate to copy VPD policies automatically
* DBMS_RLS.ADD_POLICY
/ The DBMS_RLS package contains the fine-grained access control administrative interface, which is used to implement Virtual Private Database (VPD).DBMS_RLS is available with the Enterprise Edition only.
Note:
* CONS_USE_PK and CONS_USE_ROWID are constants used as input to the "options_flag" parameter in both the START_REDEF_TABLE Procedure and CAN_REDEF_TABLE Procedure. CONS_USE_ROWID is used to indicate that the redefinition should be done using rowids while CONS_USE_PK implies that the redefinition should be done using primary keys or pseudo-primary keys (which are unique keys with all component columns having NOT NULL constraints).
* DBMS_REDEFINITION.START_REDEF_TABLE
To achieve online redefinition, incrementally maintainable local materialized views are used. These logs keep track of the changes to the master tables and are used by the materialized views during refresh synchronization.
* START_REDEF_TABLE Procedure
Prior to calling this procedure, you must manually create an empty interim table (in the same schema as the table to be redefined) with the desired attributes of the post-redefinition table, and then call this procedure to initiate the redefinition.
QUESTION NO: 2
Identify the access that is initially available to connect to your Database as a Service (DBaaS) environment.
A. SSH on port 22
B. SSL/TLS on port 443
C. Cloud Control on port 7799
D. telnet on port 23
E. Enterprise Manager on port 1158
Answer: A
QUESTION NO: 3
Which four statements are true about the components of the Oracle Scheduler? (Choose four.)
A. A job may get started automatically when a window opens.
B. A job is specified as part of a program specification.
C. A program can be used in the definition of multiple jobs.
D. A program and schedule can be specified as part of a job definition.
E. A scheduler job can point to a chain instead of pointing to a single program object.
F. A program and job can be specified as part of a schedule definition.
G. A schedule can be specified to a single job only.
Answer: A,C,D,E
Explanation
References: https://docs.oracle.com/cd/B19306_01/server.102/b14231/schedover.htm
QUESTION NO: 4
Which two statements are true about the (PMON) background process in Oracle Database
12c? (Choose two.)
A. It frees unused temporary segments.
B. It kills sessions that exceed idle time.
C. It frees resources held by abnormally terminated processes.
D. It registers database services with all local and remote listeners known to the database instance.
E. It records checkpoint information in the control file.
Answer: C,D
Explanation
References: https://docs.oracle.com/database/122/CNCPT/process-architecture.htm#CNCPT9840
QUESTION NO: 5
You plan to create a database by using the Database Configuration Assistant (DBCA), with the following specifications:
- Applications will connect to the database via a middle tier.
- The number of concurrent user connections will be high.
- The database will have mixed workload, with the execution of complex BI queries scheduled at night.
Which DBCA option must you choose to create the database?
A. a General Purpose database template, with the shared server mode option and Automatic
Memory Management (AMM) enabled
B. a Data Warehouse database template, with the dedicated server mode option and AMM enabled
C. a default database configuration
D. a General Purpose database template with default memory allocation
Answer: A
Explanation
References:
http://www.oracledistilled.com/oracle-database/administration/creating-a-database-using- database-configuration
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Updated: May 28, 2022