Could you please answer this questions ?

could you please answer this questions ......
2. What can you do with the DBMS_LOB package?
A. Use the DBMS_LOB.WRITE procedure to write data to a BFILE.
B. Use the DBMS_LOB.BFILENAME function to locate an external BFILE.
C. Use the DBMS_LOB.FILEEXISTS function to find the location of a BFILE.
D. Use the DBMS_LOB.FILECLOSE procedure to close the file being accessed.
3. Which two statements about packages are true? (Choose two)
A. Packages can be nested.
B. You can pass parameters to packages.
C. A package is loaded into memory each time it is invoked.
D. The contents of packages can be shared by many applications.
E. You can achieve information hiding by making package constructs private.
4. Which three are true statements about dependent objects? (Choose three)
A. Invalid objects cannot be described.
B. An object with status of invalid cannot be a referenced object.
C. The Oracle server automatically records dependencies among objects.
D. All schema objects have a status that is recorded in the data dictionary.
E. You can view whether an object is valid or invalid in the USER_STATUS data dictionary view.
F. You can view whether an object is valid or invalid in the USER_OBJECTS data dictionary view.
5. You need to create a stored procedure, which deletes rows from a table. The name of the table from which the rows are to be deleted is unknown until run time. Which method do you implement while creating such a procedure?
A. Use SQL command delete in the procedure to delete the rows.
B. Use DBMS_SQL packaged routines in the procedure to delete the rows.
C. Use DBMS_DML packaged routines in the procedure to delete the rows.
D. Use DBMSDELETE packaged routines in the procedure to delete the rows.
E. You cannot have a delete statement without providing a table name before compile time.
6. You need to drop a table from within a stored procedure. How do you implement this?
A. You cannot drop a table from a stored procedure.
B. Use the DROP command in the procedure to drop the table.
C. Use the DBMS_DDL packaged routines in the procedure to drop the table.
D. Use the DBMS_SQL packaged routines in the procedure to drop the table.
E. Use the DBMS_DROP packaged routines in the procedure to drop the table.
7. When using a packaged function in a query, what is true?
A. The COMMIT and ROLLBACK commands are allowed in the packaged function.
B. You cannot use packaged functions in a query statement.
C. The packaged function cannot execute an INSERT, UPDATE, or DELETE statement against the table that is being queried.
D. The packaged function can execute and INSERT, UPDATE, or DELETE statement against the table that is being queried if it is used in a subquery.
E. The packaged function can execute an INSERT, UPDATEM or DELETE statement against the table that is being queried if the pragma RESTRICT REFERENCE is used.

It should be good if you try yourself by training your brain to solve these questions and then share them with us to get more help or advice
Kamran Agayev A. (10g OCP)
http://kamranagayev.wordpress.com

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