QUESTION 141
You want to display the date for the first Monday of the next month and issue the following command:
SQL>SELECT TO_CHAR(NEXT_DAY(LAST_DAY(SYSDATE),’MON’), ‘dd “is the first Monday for” fmmonth rrrr’) FROM DUAL;
What is the outcome?
A. It executes successfully and returns the correct result.
B. It executes successfully but does not return the correct result.
C. It generates an error because TO_CHAR should be replaced with TO_DATE.
D. It generates an error because rrrr should be replaced by rr in the format string.
E. It generates an error because fm and double quotation marks should not be used in the format string.
Answer: A
QUESTION 142
You need to calculate the number of days from 1st January 2007 till date.
Dates are stored in the default format of dd-mon-rr.
Which SQL statements would give the required output? (Choose two .)
A. SELECT SYSDATE – ’01-JAN-2007′ FROM DUAL;
B. SELECT SYSDATE – TO_DATE(’01/JANUARY/2007′) FROM DUAL;
C. SELECT SYSDATE – TO_DATE(’01-JANUARY-2007′) FROM DUAL;
D. SELECT TO_CHAR(SYSDATE, ‘DD-MON-YYYY’) – ’01-JAN-2007′ FROM DUAL;
E. SELECT TO_DATE(SYSDATE, ‘DD/MONTH/YYYY’) – ’01/JANUARY/2007′ FROM DUAL;
Answer: BC
QUESTION 143
You need to display the date 11-oct-2007 in words as ‘Eleventh of October, Two Thousand Seven’.
Which SQL statement would give the required result?
A. SELECT TO_CHAR(’11-oct-2007′, ‘fmDdspth “of” Month, Year’) FROM DUAL;
B. SELECT TO_CHAR(TO_DATE(’11-oct-2007′), ‘fmDdspth of month, year’) FROM DUAL;
C. SELECT TO_CHAR(TO_DATE(’11-oct-2007′), ‘fmDdthsp “of” Month, Year’) FROM DUAL;
D. SELECT TO_DATE(TO_CHAR(’11-oct-2007′,’fmDdspth ”of” Month, Year’)) FROM DUAL;
Answer: C
QUESTION 144
The SQL statements executed in a user session are as follows:
SQL> CREATE TABLE product
(pcode NUMBER(2),
pname VARCHAR2(10));
SQL> INSERT INTO product VALUES (1, ‘pen’);
SQL> INSERT INTO product VALUES (2,’pencil’);
SQL> SAVEPOINT a;
SQL> UPDATE product SET pcode = 10 WHERE pcode = 1;
SQL> SAVEPOINT b;
SQL> DELETE FROM product WHERE pcode = 2;
SQL> COMMIT;
SQL> DELETE FROM product WHERE pcode=10;
Which two statements describe the consequences of issuing the ROLLBACK TO SAVE POINT a command in the session? (Choose two.)
A. The rollback generates an error.
B. No SQL statements are rolled back.
C. Only the DELETE statements are rolled back.
D. Only the second DELETE statement is rolled back.
E. Both the DELETE statements and the UPDATE statement are rolled back.
Answer: AB
QUESTION 145
When does a transaction complete? (Choose all that apply.)
A. when a DELETE statement is executed
B. when a ROLLBACK command is executed
C. when a PL/SQL anonymous block is executed
D. when a data definition language ( DDL) statement is executed
E. when a TRUNCATE statement is executed after the pending transaction
Answer: BDE
QUESTION 146
Which statement is true regarding transactions? (Choose all that apply.)
A. A transaction can consist only of a set of DML and DDL statements.
B. A part or an entire transaction can be undone by using ROLLBACK command .
C. A transaction consists of a set of DML or DCL statements.
D. A part or an entire transaction can be made permanent with a COMMIT.
E. A transaction can consist of only a set of queries or DML or DDL statements.
Answer: BC
QUESTION 147
View the Exhibit; e xamine the structure of the PROMOTIONS table.
Each promotion has a duration of at least seven days .
Your manager has asked you to generate a report, which provides the weekly cost for each promotion done to l date.
Which query would achieve the required result?
A. SELECT promo_name, promo_cost/promo_end_date-promo_begin_date/7 FROM promotions;
B. SELECT promo_name,(promo_cost/promo_end_date-promo_begin_date)/7 FROM promotions;
C. SELECT promo_name, promo_cost/(promo_end_date-promo_begin_date/7) FROM promotions;
D. SELECT promo_name, promo_cost/((promo_end_date-promo_begin_date)/7) FROM promotions;
Answer: D
QUESTION 148
Which two statements are true regarding the starting of the database instance using the following command? (Choose two.)
SQL>STARTUP UPGRADE
A. It enables all system triggers.
B. It allows only SYSDBA connections.
C. It ensures that all job queues remain active during the upgrade process.
D. It sets system initialization parameters to specific values that are required to enable database
upgrade scripts to be run.
Answer: BD
QUESTION 149
View the Exhibit for the structure of the STUDENT and FACULTY tables.
You need to display the faculty name followed by the number of students handled by the faculty at the base location.
Examine the following two SQL statements:
Statement 1
SQL>SELECT faculty_name,COUNT(student_id)
FROM student JOIN faculty
USING (faculty_id, location_id)
GROUP BY faculty_name;
Statement 2
SQL>SELECT faculty_name,COUNT(student_id)
FROM student NATURAL JOIN faculty
GROUP BY faculty_name;
Which statement is true regarding the outcome?
A. Only s tatement 1 executes successfully and gives the required result.
B. Only statement 2 executes successfully and gives the required result.
C. Both statements 1 and 2 execute successfully and give different results.
D. Both statements 1 and 2 execute successfully and give the same required result.
Answer: D
QUESTION 150
View the Exhibits and examine the structures of the PRODUCTS, SALES, and CUSTOMERS tables.
You need to generate a report that gives details of the customer’s last name, name of the product, and the quantity sold for all customers in ‘ Tokyo’ .
Which two queries give the required result? (Choose two.)
A. SELECT c.cust_last_name,p.prod_name, s.quantity_sold
FROM sales s JOIN products p
USING(prod_id)
JOIN customers c
USING(cust_id)
WHERE c.cust_city=’Tokyo’;
B. SELECT c.cust_last_name, p.prod_name, s.quantity_sold
FROM products p JOIN sales s JOIN customers c
ON(p.prod_id=s.prod_id)
ON(s.cust_id=c.cust_id)
WHERE c.cust_city=’Tokyo’;
C. SELECT c.cust_last_name, p.prod_name, s.quantity_sold
FROM products p JOIN sales s
ON(p.prod_id=s.prod_id)
JOIN customers c
ON(s.cust_id=c.cust_id)
AND c.cust_city=’Tokyo’;
D. SELECT c.cust_id,c.cust_last_name,p.prod_id, p.prod_name, s.quantity_sold FROM products p JOIN sales s
USING(prod_id)
JOIN customers c
USING(cust_id)
WHERE c.cust_city=’Tokyo’;
Answer: AC
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