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| Section | Objectives |
|---|---|
| Topic 1: Advanced PL/SQL Features | - Records and complex data types - Collections (associative arrays, nested tables) |
| Topic 2: SQL Fundamentals | - Basic SELECT statements and filtering - Joins and set operations |
| Topic 3: Cursors | - Implicit and explicit cursors - Cursor FOR loops |
| Topic 4: Triggers | - DML triggers - Trigger timing and events |
| Topic 5: Stored Procedures and Functions | - Parameters and return values - Creation and execution |
| Topic 6: Control Structures | - Loops (FOR, WHILE, LOOP) - Conditional statements (IF, CASE) |
| Topic 7: Packages | - Package specification and body - Advantages of packages |
| Topic 8: Exception Handling | - User-defined exceptions - Predefined exceptions |
| Topic 9: PL/SQL Fundamentals | - Variables and data types - PL/SQL block structure |
Examine this package:
CREATE OR REPLACE PACKAGE pack_cur IS CURSOR c1 IS SELECT prodid FROM poduct ORDER BY prodid DESC; PROCEDURE proc1; PROCEDURE proc2; END pack_cur; /
CREATE OR REPLACE PACKAGE BODY pack_cur IS v_prodid NUMBER; PROCEDURE proc1 IS BEGIN OPEN c1;
LOOP
FETCH c1 INTO v_prodid;
DBMS_OUTPUT.PUT_LINE('Row is: ' || c1%ROWCOUNT);
EXIT WHEN c1%ROWCOUNT >= 3;
END LOOP;
END proc1;
PROCEDURE proc2 IS
BEGIN
LOOP
FETCH c1 INTO v_prodid;
DBMS_OUTPUT.PUT_LINE('Row is: ' ||c1%ROWCOUNT);
EXIT WHEN c1%ROWCOUNT >= 6;
END LOOP;
CLOSE c1;
END proc2;
END pack_cur;
/
The product table has more than 1000 rows. The SQL *Plus SERVEROUTPUT setting is turned
on in your session.
You execute the procedure PROC1 from SQL *Plus with the command:
EXECUTE pack_cur.proc1
What is the output in your session?
Correct Answer: D 🗳️
Explanation: Only visible for TestkingPass members. You can sign-up / login (it's free).
You need to disable all triggers on the EMPLOYEES table.Which command accomplishes this?
Correct Answer: B 🗳️
Explanation: Only visible for TestkingPass members. You can sign-up / login (it's free).
What is a condition predicate in a DML trigger?
Correct Answer: A 🗳️
Explanation: Only visible for TestkingPass members. You can sign-up / login (it's free).
You need to create a trigger to ensure that information in the EMP table is only modified during business hours, Monday to Friday from 9:00am to 500pm Which types of trigger do you create? (Choose two.)
Correct Answer: B,D 🗳️
Explanation: Only visible for TestkingPass members. You can sign-up / login (it's free).
What part of a database trigger determines the number of times the trigger body executes?
Correct Answer: B 🗳️
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