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Question ID 1526

Click on the EXHIBIT button and examine the structure of the BOOK_TITLE, COPY, and CHECK_OUT tables.
You need to create the BOOKS AVAILABLE view.
These are the desired results: 1.Include the title of each book.
 
2.Include the availability of each book. 3.Order the results by the author.
Evaluate this SQL statement: CREATE VIEW books_available AS
SELECT b.title, c.availability FROMbook_title b, copy c WHEREb.id = c.title_id
ORDER BY b.author;
What does the statement provide?

Option A

A.    a syntax error
 

Option B

B.    one of the desired results
 

Option C

C.    all of the desired results
 

Option D

D.    two of the desired results
 

Correct Answer A
Explanation


Question ID 1527

What does the statement provide?
SET SERVEROUTPUT ON DECLARE x NUMBER; v_sal NUMBER;
v_found VARCHAR2(10) := 'TRUE'; BEGIN
x := 1;
v_sal := 1000;
DECLARE
v_found VARCHAR2(10);
y NUMBER; BEGIN
 
IF (v_sal > 500) THEN
v_found := 'YES';
END IF;
DBMS_OUTPUT.PUT_LINE ('Value of v_found is '|| v_found);
DBMS_OUTPUT.PUT_LINE ('Value of v_sal is '|| v_sal);
y := 20;
END;
DBMS_OUTPUT.PUT_LINE ('Value of v_found is '|| v_found);
DBMS_OUTPUT.PUT_LINE ('Value of Y is '|| TO_CHAR(y));
END;
SET SERVEROUTPUT OFF
What is the result of executing this block of code?
 

Option A

A. Value of v
_    found is YES
Value of v_sal is 1000 Value of v found is YES Value of Y is 20

 

Option B

B.    Value of v found is YES Value of v_sal is 1000
Value of v found is TRUE Value of Y is 20
 

Option C

C.    PLS-00201: identifier 'Y' must be declared
 

Option D

D.    Value of v found is YES Value of v_sal is 1000Value of v
_    found is TRUE
 

Option E

E.    PLS-00201: identifier 'v_sal' must be declared PLS-00201: identifier 'Y' must be declared

Correct Answer C
Explanation

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