PBD 2 Pertemuan 1 Pengantar Oracle Developer Introduction

PBD 2. Pertemuan 1 • Pengantar Oracle Developer • Introduction to PL/SQL

Topik Diskusi • Apa yang dimaksud dengan Oracle Developer ? • Apa perbedaan PL/SQL dan SQL

Pembahasan Soal

PBD 2. Pertemuan 1 Pembahasan Soal terakit dengan materi: • Pengantar Oracle Developer • Introduction to PL/SQL • Declaring PL/SQL

1. Which command must you issue in SQL*Plus to display the result of the DBMS_OUTPUT package? A. B. C. D. SET SET ECHO ON OUTPUT ON FEEDBACK ON SERVEROUTPUT ON

2. When creating a function in SQL*Plus, you receive an error message stating that the function created with compilation errors. What must you do to see the compilation errors? A. Issue the SHOW ERRORS command. B. Issue the DISPLAY ERRORS command. C. Query the FUNCTION_ERRORS data dictionary view. D. Do nothing. The errors will display after a five -second delay.

3. You have just created a PL/SQL user -defined function called CALC_COMM. Which statement will successfully test it? A. EXECUTE calc_comm; B. SELECT * FROM calc_comm(emp); C. EXECUTE calc_comm(SELECT total FROM ord); D. SELECT * FROM ord GROUP BY ordid HAVING calc_comm(total) > 5000;

4. You have just successfully dropped the CALC_COMM procedure and deleted the script file containing the source code. Which command can you execute to recover this procedure? A. B. C. D. ROLLBACK; ROLLBACK TO PROCEDURE calc_comm; ALTER PROCEDURE calc_comm COMPILE; Only the database administrator can recover this procedure using backups.

5. Examine this procedure: CREATE PROCEDURE add_theater IS BEGIN INSERT INTO theater VALUES (35, 'Riverplace Theatre', '1222 River Drive, Austin, Tx. '); END; This procedure already exists in the database. You have made a change to the code and want to recreate the procedure. Which command must you now use to prevent an error? A. REPLACE PROCEDURE B. RECREATE PROCEDURE C. UPDATE PROCEDURE WITH D. CREATE OR REPLACE PROCEDURE