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Oracle9i program with pl/sql Sample Questions:

1. When creating a function, in which section will you typically find the RETURN keyword?

A) EXECUTABLE and HEADER
B) HEADER only
C) DECLARATIVE
D) DECLARATIVE,EXECUTABLE and EXCEPTION HANDLING

2. Examine the trigger heading:
CREATE OR REPLACE TRIGGER salary_check BEFORE UPDATE OF sal, job ON emp FOR EACH ROW
Under which condition does this trigger fire?

A) When the value of the SAL or JOB column in a row is updated in the EMP table.
B) Only when both values of the SAL and JOB columns in a row are updated together in the EMP table.
C) When any column other than the SAL and JOB columns in a row are updated in the EMP table.
D) When a row is inserted into the EMP table.

3. Which two statements about packages are true? (Choose two)

A) The specification and body of the package are stored separately in the database.
B) Both the specification and body are required components of a package.
C) The specification and body of the package are stored together in the database.
D) The package specification is required, but the package body is optional.
E) The package specification is optional, but the package body is required.

4. Examine this code
CREATE OR REPLACE PROCEDURE load bfile (p_flle_loc IN VARCHAR2)
IS
V_file BFILE;
V_filename VARCHAR2 (16);
CURSOR emp_cursor IS
SELECT employee_id
FROM employees
WHERE Job_id = 'IT_PROG'
FOR UPDATE;
BEGIN
FOR emp_record IN emp_cursor LOOP
V_filename:= emp_record.employee_id || '.GIF';
V_file := BFILENAME(p_flle_loc, v_filename);
END LOOP;
END;
/
What does the BFILENAME function do?

A) It returns a BFILE locator that is associated with a physical LOB binary file on the server's file system
B) It creates a directory object for use with the external BFILEs
C) It checks for the existence of an external BFILE
D) It reads data from an external BFILE

5. Which two does the INSTEAD OF clause in a trigger identify? (Choose two)

A) The statement level or for each row association to the trigger.
B) The package associated with the trigger.
C) The view associated with the trigger.
D) The table associated with the trigger.
E) The event associated with the trigger.

Solutions: