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Oracle database 10g:Administration I Sample Questions:

1. Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client while connecting to the database instance from a remote machine?

A) host naming method
B) local naming method
C) external naming method
D) directory naming method

2. As a result of performance analysis, you created an index on the prod_name column of the prod_det table, which contains about ten thousand rows. Later, you updated a product name in the table. How does this change affect the index?

A) The index becomes invalid when you make any updates.
B) A leaf row in the index will be deleted and inserted.
C) The index will be updated automatically at commit.
D) An update in a leaf row takes place.
E) A leaf will be marked as invalid.

3. In your Oracle 10g database , you have scheduled a job to update the optimizer statistics at 05:00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected? (Choose three.)

A) average row size
B) number of free blocks in the free list
C) size of table in bytes
D) last analyzed date
E) number of extents present in the table
F) size of table in database blocks

4. The SAVE_AMT column in the ACCOUNTS table contains the balance details of customers in a bank. As part of the year-end tax and interest calculation process, all the rows in the table need to be accessed. The bank authorities want to track access to the rows containing balance amounts exceeding $200,000, and then send an alert message to the administrator. Which method would you suggest to the bank for achieving this task?

A) performing standard database auditing to audit object privileges by setting the AUDIT_TRAIL parameter to EXTENDED
B) implementing value-based auditing by using triggers
C) performing standard database auditing to audit SQL statements with granularity level set to ACCESS
D) implementing fine-grained auditing with audit condition and event handler

5. 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) BLOB
B) CLOB
C) LONG RAW
D) BFILE

Solutions: