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Oracle 1Z0-147 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Cursors | - Cursor FOR loops - Implicit and explicit cursors |
| Triggers | - DML triggers - Trigger timing and events |
| Stored Procedures and Functions | - Parameters and return values - Creation and execution |
| SQL Fundamentals | - Basic SELECT statements and filtering - Joins and set operations |
| Packages | - Advantages of packages - Package specification and body |
| Advanced PL/SQL Features | - Records and complex data types - Collections (associative arrays, nested tables) |
| Exception Handling | - Predefined exceptions - User-defined exceptions |
| PL/SQL Fundamentals | - PL/SQL block structure - Variables and data types |
| Control Structures | - Loops (FOR, WHILE, LOOP) - Conditional statements (IF, CASE) |
Oracle9i program with pl/sql Sample Questions:
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
Explanation: Only visible for DumpExam members. You can sign-up / login (it's free).
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.
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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.
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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
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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.
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