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Oracle Database 11g Certified Master Upgrade Sample Questions:
1. Which of the following files cannot be backed up by RMAN? (Choose all that apply.)
A) Archived redo logs
B) Database datafiles
C) Control files
D) Online redo logs
E) Database pfiles
2. View the Exhibit and examine the disk groups created at the time of migrating the database storage to Automatic Storage Management (ASM).
Why does the FRA disk group initially have more free space even though both DATA and FRA disk groups are provided with the same size?
A) Because disks in the FRA disk group are not formatted at this stage
B) Because the FRA disk group will support only a single size of allocation unit
C) Because the FRA disk group is not configured to support mirroring
D) Because the FRA disk group will not support dynamic rebalancing
3. View the Exhibit exhibit1.
In the CUSTOMERS_OBE table, when the value of CUST_STATE_PROVINCE is "CA", the value of COUNTRY_ID is "US."
View the Exhibit exhibit2 to examine the commands and query plans. The optimizer can sense 8 rows instead of 29 rows, which is the actual number of rows in the table. What can you do to make the optimizer detect the actual selectivity?
A) Change the STALE_PERCENT value for the CUSTOMERS_OBE table.
B) Set the OPTIMIZER_USE_PENDING_STATISTICS parameter to FALSE.
C) Set the STATISTICS_LEVEL parameter to TYPICAL.
D) Create extended statistics for the CUST_STATE_PROVINCE and CUSTOMERS_OBE columns.
4. View the Exhibit to examine the Automatic Database Diagnostic Monitor (ADDM) tasks.
You executed the following commands:
SQL> VAR tname VARCHAR2(60);
SQL> BEGIN
:tname := 'my_instance_analysis_mode_task';
DBMS_ADDM.INSERT_SEGMENT_DIRECTIVE(:tname,'Sg_directive','SCOTT');
END;
Which statement describes the consequence?
A) The ADDM task is filtered to suppress the Segment Advisor suggestions for the SCOTT schema.
B) The ADDM task is filtered to produce the Segment Advisor suggestions for the SCOTT schema only.
C) The PL/SQL block produces an error because the my_instance_analysis_mode_task task has not been reset to its initial state.
D) All subsequent ADDM tasks including my_instance_analysis_mode_task are filtered to suppress the Segment Advisor suggestions for the SCOTT schema.
5. Sales details are being stored on a daily basis in the SALES_2007 table. A large amount of data is added to the table daily. To save disk space, you issued the following command:
ALTER TABLE sales_2007 COMPRESS FOR ALL OPERATIONS; What would be the outcome of this command?
A) It produces an error because data already exists in the table.
B) It compresses all data added or modified henceforth but the existing data in the table is not compressed immediately.
C) It immediately compresses all existing data as well as new data, resulting from either fresh additions or modifications to existing data.
D) It produces an error because compression can be enabled at table creation only.
Solutions:
| Question # 1 Answer: D,E | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: B |
