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2021 Dec 1Z0-062 exam

Q81. You execute the following PL/SQL: 

Which two statements are true? 

A. Fine-Grained Auditing (FGA) is enabled for the PRICE column in the PRODUCTS table for SELECT statements only when a row with PRICE > 10000 is accessed. 

B. FGA is enabled for the PRODUCTS.PRICE column and an audit record is written whenever a row with PRICE > 10000 is accessed. 

C. FGA is enabled for all DML operations by JIM on the PRODUCTS.PRICE column. 

D. FGA is enabled for the PRICE column of the PRODUCTS table and the SQL statements is captured in the FGA audit trial. 

Answer: A,B 

Explanation: DBMS_FGA.add_policy 

* The DBMS_FGA package provides fine-grained security functions. 

* ADD_POLICY Procedure 

This procedure creates an audit policy using the supplied predicate as the audit condition. 


Not C: object_schema 

The schema of the object to be audited. (If NULL, the current log-on user schema is assumed.) 

Q82. Which two statements are true about the use of the procedures listed in the v$sysaux_occupants.move_procedure column? 

A. The procedure may be used for some components to relocate component data to the SYSAUX tablespace from its current tablespace. 

B. The procedure may be used for some components to relocate component data from the SYSAUX tablespace to another tablespace. 

C. All the components may be moved into SYSAUX tablespace. 

D. All the components may be moved from the SYSAUX tablespace. 

Answer: A,B 

Q83. Which three activities are supported by the Data Recovery Advisor? 

A. Advising on block checksum failures 

B. Advising on inaccessible control files 

C. Advising on inaccessible block change tracking files 

D. Advising on empty password files 

E. Advising on invalid block header field values 

Answer: A,B,E 

Explanation: * Data Recovery Advisor can diagnose failures such as the following: 

/ (B) Components such as datafiles and control files that are not accessible because they do not exist, do not have the correct access permissions, have been taken offline, and so on 

/ (A, E) Physical corruptions such as block checksum failures and invalid block header field values 

/ Inconsistencies such as a datafile that is older than other database files / I/O failures such as hardware errors, operating system driver failures, and exceeding operating system resource limits (for example, the number of open files) 

* The Data Recovery Advisor automatically diagnoses corruption or loss of persistent data on disk, determines the appropriate repair options, and executes repairs at the user's request. This reduces the complexity of recovery process, thereby reducing the Mean Time To Recover (MTTR). 

Q84. Which three tasks can be automatically performed by the Automatic Data Optimization feature of Information lifecycle Management (ILM)? 

A. Tracking the most recent read time for a table segment in a user tablespace 

B. Tracking the most recent write time for a table segment in a user tablespace 

C. Tracking insert time by row for table rows 

D. Tracking the most recent write time for a table block 

E. Tracking the most recent read time for a table segment in the SYSAUX tablespace 

F. Tracking the most recent write time for a table segment in the SYSAUX tablespace 

Answer: A,B,D 



Not E, Not F When Heat Map is enabled, all accesses are tracked by the in-memory activity tracking module. Objects in the SYSTEM and SYSAUX tablespaces are not tracked. 

* To implement your ILM strategy, you can use Heat Map in Oracle Database to track data access and modification. 

Heat Map provides data access tracking at the segment-level and data modification tracking at the segment and row level. 

* To implement your ILM strategy, you can use Heat Map in Oracle Database to track data access and modification. You can also use Automatic Data Optimization (ADO) to automate the compression and movement of data between different tiers of storage within the database. Reference: Automatic Data Optimization with Oracle Database 12c with Oracle Database 12c 

Q85. Examine the following impdp command to import a database over the network from a pre-12c Oracle database (source): 

Which three are prerequisites for successful execution of the command? 

A. The import operation must be performed by a user on the target database with the DATAPUMP_IMP_FULL_DATABASE role, and the database link must connect to a user on the source database with the DATAPUMP_EXD_FULL_DATABASE role. 

B. All the user-defined tablespaces must be in read-only mode on the source database. 

C. The export dump file must be created before starting the import on the target database. 

D. The source and target database must be running on the same platform with the same endianness. 

E. The path of data files on the target database must be the same as that on the source database. 

F. The impdp operation must be performed by the same user that performed the expdp operation. 

Answer: A,B,D 

Explanation: In this case we have run the impdp without performing any conversion if 

endian format is different then we have to first perform conversion. 

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Q86. Examine the structure of the sales table, which is stored in a locally managed tablespace with Automatic Segment Space Management (ASSM) enabled. 








You want to perform online segment shrink to reclaim fragmented free space below the high water mark. 

What should you ensure before the start of the operation? 

A. Row movement is enabled. 

B. Referential integrity constraints for the table are disabled. 

C. No queries are running on this table. 

D. Extra disk space equivalent to the size of the segment is available in the tablespace. 

E. No pending transaction exists on the table. 


Q87. Which two statements are true about variable extent size support for large ASM files? 

A. The metadata used to track extents in SGA is reduced. 

B. Rebalance operations are completed faster than with a fixed extent size 

C. An ASM Instance automatically allocates an appropriate extent size. 

D. Resync operations are completed faster when a disk comes online after being taken offline. 

E. Performance improves in a stretch cluster configuration by reading from a local copy of an extent. 

Answer: A,C 

Explanation: A: Variable size extents enable support for larger ASM datafiles, reduce SGA memory requirements for very large databases (A), and improve performance for file create and open operations. 

C: You don't have to worry about the sizes; the ASM instance automatically allocates the appropriate extent size. 


* The contents of ASM files are stored in a disk group as a set, or collection, of data extents that are stored on individual disks within disk groups. Each extent resides on an individual disk. Extents consist of one or more allocation units (AU). To accommodate increasingly larger files, ASM uses variable size extents. 

* The size of the extent map that defines a file can be smaller by a factor of 8 and 64 depending on the file size. The initial extent size is equal to the allocation unit size and it increases by a factor of 8 and 64 at predefined thresholds. This feature is automatic for newly created and resized datafiles when the disk group compatibility attributes are set to Oracle Release 11 or higher. 

Q88. You are planning the creation of a new multitenant container database (CDB) and want to store the ROOT and SEED container data files in separate directories. 

You plan to create the database using SQL statements. 

Which three techniques can you use to achieve this? 

A. Use Oracle Managed Files (OMF). 

B. Specify the SEED FILE_NAME_CONVERT clause. 

C. Specify the PDB_FILE_NAME_CONVERT initialization parameter. 

D. Specify the DB_FILE_NAMECONVERT initialization parameter. 

E. Specify all files in the CREATE DATABASE statement without using Oracle managed Files (OMF). 

Answer: A,B,C 

Explanation: You must specify the names and locations of the seed's files in one of the following ways: 

* (A) Oracle Managed Files 


* (C) The PDB_FILE_NAME_CONVERT Initialization Parameter 

Q89. You executed a DROP USER CASCADE on an Oracle 11g release 1 database and immediately realized that you forgot to copy the OCA.EXAM_RESULTS table to the OCP schema. 

The RECYCLE_BIN enabled before the DROP USER was executed and the OCP user has been granted the FLASHBACK ANY TABLE system privilege. 

What is the quickest way to recover the contents of the OCA.EXAM_RESULTS table to the OCP schema? 


B. Recover the table using traditional Tablespace Point In Time Recovery. 

C. Recover the table using Automated Tablespace Point In Time Recovery. 

D. Recovery the table using Database Point In Time Recovery. 



Explanation: RMAN tablespace point-in-time recovery (TSPITR). 

Recovery Manager (RMAN) TSPITR enables quick recovery of one or more tablespaces in a database to an earlier time without affecting the rest of the tablespaces and objects in the database. 

Fully Automated (the default) 

In this mode, RMAN manages the entire TSPITR process including the auxiliary instance. 

You specify the tablespaces of the recovery set, an auxiliary destination, the target time, and you allow RMAN to manage all other aspects of TSPITR. 

The default mode is recommended unless you specifically need more control over the location of recovery set files after TSPITR, auxiliary set files during TSPITR, channel settings and parameters or some other aspect of your auxiliary instance. 

Q90. In which two scenarios do you use SQL* Loader to load data? 

A. Transform the data while it is being loaded into the database. 

B. Use transparent parallel processing without having to split the external data first. 

C. Load data into multiple tables during the same load statement. 

D. Generate unique sequential key values in specified columns. 

Answer: A,D 

Explanation: You can use SQL*Loader to do the following: 

/ (A) Manipulate the data before loading it, using SQL functions. 

/ (D) Generate unique sequential key values in specified columns. 


/ Load data into multiple tables during the same load session. 

/ Load data across a network. This means that you can run the SQL*Loader client on a different system from the one that is running the SQL*Loader server. 

/ Load data from multiple datafiles during the same load session. 

/Specify the character set of the data. 

/ Selectively load data (you can load records based on the records' values). 

/Use the operating system's file system to access the datafiles. 

/ Load data from disk, tape, or named pipe. 

/ Generate sophisticated error reports, which greatly aid troubleshooting. 

/ Load arbitrarily complex object-relational data. 

/ Use secondary datafiles for loading LOBs and collections. 

/ Use either conventional or direct path loading. While conventional path loading is very flexible, direct path loading provides superior loading performance. 


* SQL*Loader loads data from external files into tables of an Oracle database. It has a powerful data parsing engine that puts little limitation on the format of the data in the datafile.