Oracle Database 12c Administration 1Z0-062 PDF

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1. Which two are true concerning a multitenant container database with three pluggable database?

 
 
 
 
 

2. Examine the current value for the following parameters in your database instance:

SGA_MAX_SIZE = 1024M

SGA_TARGET = 700M

DB_8K_CACHE_SIZE = 124M

LOG_BUFFER = 200M

You issue the following command to increase the value of DB_8K_CACHE_SIZE:

SQL> ALTER SYSTEM SET DB_8K_CACHE_SIZE=140M;

Which statement is true?

 
 
 
 

3. Which three statements are true concerning unplugging a pluggable database (PDB)?

 
 
 
 
 
 

4. Examine the following command:

CREATE TABLE (prod_id number(4),

Prod_name varchar2 (20),

Category_id number(30),

Quantity_on_hand number (3) INVISIBLE);

Which three statements are true about using an invisible column in the PRODUCTS table?

 
 
 
 
 

5. You wish to enable an audit policy for all database users, except SYS, SYSTEM, and SCOTT.

You issue the following statements:

SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYS;

SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYSTEM;

SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SCOTT;

For which database users is the audit policy now active?

 
 
 
 

6. On your Oracle 12c database, you invoked SQL *Loader to load data into the EMPLOYEES table in the HR schema by issuing the following command:

$> sqlldr hr/[email protected] table=employees

Which two statements are true regarding the command?

 
 
 
 

7. After implementing full Oracle Data Redaction, you change the default value for the NUMBER data type as follows:

After changing the value, you notice that FULL redaction continues to redact numeric data with zero.

What must you do to activate the new default value for numeric full redaction?

 
 
 
 
 

8. You must track all transactions that modify certain tables in the sales schema for at least three years.

Automatic undo management is enabled for the database with a retention of one day.

Which two must you do to track the transactions?

 
 
 
 
 

9. You are the DBA supporting an Oracle 11g Release 2 database and wish to move a table containing several DATE, CHAR, VARCHAR2, and NUMBER data types, and the table’s indexes, to another tablespace.

The table does not have a primary key and is used by an OLTP application.

Which technique will move the table and indexes while maintaining the highest level of availability to the application?

 
 
 
 
 

10. To implement Automatic Management (AMM), you set the following parameters:

When you try to start the database instance with these parameter settings, you receive the following error message:

SQL > startup

ORA-00824: cannot set SGA_TARGET or MEMORY_TARGET due to existing internal settings, see alert log for more information.

Identify the reason the instance failed to start.

 
 
 
 

11. What are two benefits of installing Grid Infrastructure software for a stand-alone server before installing and creating an Oracle database?

 
 
 
 
 

12. Identify two correct statements about multitenant architectures.

 
 
 
 
 
 

13. You upgrade your Oracle database in a multiprocessor environment.

As a recommended you execute the following script:

SQL > @utlrp.sql

Which two actions does the script perform?

 
 
 
 
 
 

14. Which two statements are true concerning dropping a pluggable database (PDB)?

 
 
 
 
 

15. You notice a high number of waits for the db file scattered read and db file sequential read events in the recent Automatic Database Diagnostic Monitor (ADDM) report. After further investigation, you find that queries are performing too many full table scans and indexes are not being used even though the filter columns are indexed.

Identify three possible reasons for this.

 
 
 
 
 

16. Which three features work together, to allow a SQL statement to have different cursors for the same statement based on different selectivity ranges?

 
 
 
 
 

17. You notice a performance change in your production Oracle 12c database. You want to know which change caused this performance difference.

Which method or feature should you use?

 
 
 
 

18. Issue the SELECT DBMS_STATS.REPORT_COL_USAGE (‘SH’, ‘CUSTOMERS’) FROM dual statement.

Identify the correct sequence of steps.

 
 
 
 

19. Which three statements are true about Automatic Workload Repository (AWR)?

 
 
 
 
 

20. You upgraded your database from pre-12c to a multitenant container database (CDB) containing pluggable databases (PDBs).

Examine the query and its output:

Which two tasks must you perform to add users with SYSBACKUP, SYSDG, and SYSKM privilegeto the password file?

 
 
 
 
 

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