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Oracle database 10g:Administration I Sample Questions:

1. Which three descriptions are correct about the effects of the TRUNCATE command on a table? (Choose three.)

A) The high-water mark (HWM) is set to point to the first useable data block in the table segment.
B) The child table is truncated when the TRUNCATE command is applied on the parent table.
C) The corresponding indexes for the table are also truncated.
D) Very little or no undo data is generated during the execution of the TRUNCATE command.
E) Delete triggers on the table are fired during the execution of the TRUNCATE command.

2. Which two statements are true about the Automatic Database Diagnostic Monitor (ADDM)? (Choose two.)

A) The ADDM analysis provides only the diagnostic information but does not provide recommendations.
B) The ADDM runs after each AWR snapshot is collected.
C) The ADDM requires at least four AWR snapshots for analysis.
D) The ADDM calls other advisors if required, but does not provide recommendations about the advisors.
E) The results of the ADDM analysis are stored in the Automatic Workload Repository (AWR).

3. Which two statements regarding the LOGGING clause of the CREATE TABLESPACE... statement are correct? (Choose two.)

A) If the tablespace is in the NOLOGGING mode, no operation on the tablespace will generate redo.
B) This clause is not valid for a temporary or undo tablespace.
C) The tablespace will be in the NOLOGGING mode by default, if not specified while creating a tablespace.
D) The tablespace-level logging attribute can be overridden by logging specifications at the table, index, materialized view, materialized view log, and partition levels.

4. You want to refer the employee personal information stored in operating system(OS) files in EMPLOYEE table. You plan to add a new column to EMPLOYEE table to achieve this. Which data type would you use for the new column?

A) BFILE
B) CLOB
C) BLOB
D) LONG RAW

5. Users of HR schema complain about slower-than-normal performance. On investigation the DBA found that maintenance was recently performed on some of the tables. The DBA traced the query that takes longer than normal to execute.
View the Exhibit exhibit_before.
After the DBA resolves the problem, the query performs normally.
View the Exhibit exhibit_after.
What action would the DBA have taken to resolve the performance problem?

A) moved the EMPLOYEES table to another location in the same tablespace
B) moved the EMPLOYEES table in to a locally managed tablespace
C) reorganized the associated indexes for the EMPLOYEES table that were in an unusable state
D) moved the indexes associated with the EMPLOYEES table to the same tablespace where the EMPLOYEES table exists
E) analyzed the EMPLOYEES table to collect the current statistics

Solutions: