It is impossible to pass Oracle 1z0 047 pdf exam without any help in the short term. Come to Pass4sure soon and find the most advanced, correct and guaranteed Oracle oracle database sql expert 1z0 047 practice questions. You will get a surprising result by our Improve Oracle Database SQL Expert practice guides.
♥♥ 2021 NEW RECOMMEND ♥♥
Free VCE & PDF File for Oracle 1z0-047 Real Exam (Full Version!)
★ Pass on Your First TRY ★ 100% Money Back Guarantee ★ Realistic Practice Exam Questions
Free Instant Download NEW 1z0-047 Exam Dumps (PDF & VCE):
Available on:
http://www.surepassexam.com/1z0-047-exam-dumps.html
Q51. View the Exhibit and examine the structure of ORDERS and ORDER_ITEMS tables.
ORDER_ID is the primary key in the ORDERS table. It is also the foreign key in the ORDER_ITEMS table wherein it is created with the ON DELETE CASCADE option.
Which DELETE statement would execute successfully?
A. DELETEorder_idFROMorders WHEREorder_total< 1000;
B. DELETEordersWHERE order_total < 1000;
C. DELETE FROM orders WHERE (SELECTorder_id FROM order_items);
D. DELETE orders o, order_itemsi WHEREo.order id = i.order id;
Answer: B
Q52. Which view would you use to display the column names and DEFAULT values for a table?
A. DBA_TABLES
B. DBA_COLUMNS
C. USER_COLUMNS
D. USER TAB COLUMNS
Answer: D
Q53. Which statement is true regarding the SESSION_PRIVS dictionary view?
A. It contains the current object privileges available in the user session.
B. It contains the current system privileges available in the user session.
C. It contains the object privileges granted to other users by the current user session.
D. It contains the system privileges granted to other users by the current user session.
Answer: B
Q54. Which statement best describes the GROUPING function?
A. It is used to set the order for the groups to be used for calculating the grand totals and subtotals.
B. It is used to form various groups to calculate total and subtotals created using ROLLUP and CUBE operators.
C. It is used to identify if the NULL value in an expression is a stored NULL value or created by ROLLUP or CUBE.
D. It is used to specify the concatenated group expressions to be used for calculating the grand totals and subtotals.
Answer: C
Q55. Evaluate the following statement: INSERT ALL WHEN order_total < 10000 THEN INTO small_orders WHEN order_total > 10000 AND order_total < 20000 THEN INTO medium_orders WHEN order_total > 2000000 THEN INTO large_orders SELECT order_id, order_total, customer_id FROM orders;
Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement?
A. They areevaluatedby allthe three WHENclauses regardlessofthe resultsof the evaluation ofany other WHEN clause.
B. They are evaluated by thefirst WHENclause. If the condition is true, then the row would be evaluated by the subsequent WHEN clauses.
C. They are evaluated by the first WHEN clause. If the condition isfalse,thenthe row wouldbeevaluated by the subsequentWHENclauses.
D. TheINSERT statement would give an error becausetheELSE clause is notpresent forsupport in case none of theWHENclauses are true.
Answer: A
Q56. Given below are the SQL statements executed in a user session:
CREATE TABLE product
(pcode NUMBER(2),
pnameVARCHAR2(10));
INSERT INTO product VALUES(1, ‘pen’);
INSERT INTO product VALUES (2,'pencil);
SAVEPOINT a;
UPDATE product SET pcode = 10 WHERE pcode = 1;
SAVEPOINT b;
DELETE FROM product WHERE pcode = 2;
COMMIT;
DELETE FROM product WHERE pcode=10;
ROLLBACK TO SAVEPOINT a;
Which statement describes the consequences?
A. No SQL statementwouldberolledback.
B. Both the DELETE statements would be rolled back.
C. Only the second DELETE statementwould be rolledback.
D. Both theDELETE statementsand the UPDATE statement would berolledback.
Answer: A
Q57. View the Exhibit and examine DEPARTMENTS and the LOCATIONS tables.
Evaluate the following SOL statement:
SELECT location_id, city
FROM locations
I WHERE NOT EXISTS (SELECT location_id
FROM departments
WHERE location_id <> I. location_id);
This statement was written to display LOCATIONJD and CITY where there are no departments located. Which statement is true regarding the execution and output of the command?
A. The statement would execute and would return the desired results.
B. The statement would not execute because the = comparison operator is missing in the WHERE clause of the outer query.
C. The statement would execute but it will return zero rows because the WHERE clause in the inner query should have the = operator instead of <>.
D. The statement would not execute because the WHERE clause in the outer query is missing the column name for comparison with the inner query result.
Answer: C
Q58. View the Exhibit and examine the structure of the ORDERS and ORDERJTEMS tables.
Evaluate the following SQL statement:
SELECT oi.order_id, product_jd, order_date
FROM order_items oi JOIN orders o
USING(order_id);
Which statement is true regarding the execution of this SQL statement?
A. The statement would not execute because table aliases are not allowed in the JOIN clause.
B. The statement would not execute because the table alias prefix is not used in the USING clause.
C. The statement would not execute because all the columns in the SELECT clause are not prefixed with table aliases.
D. The statement would not execute because the column part of the USING clause cannot have a qualifier in the SELECT list.
Answer: D
Q59. ORD is a private synonym for the OE.ORDERS table.
The user OE issues the following command:
DROP SYNONYM ord;
Which statement is true regarding the above SOL statement?
A. Onlythesynonymwould be dropped.
B. The synonym would be dropped and the corresponding table would become invalid.
C. The synonym would be dropped and the packages referring to the synonym would be dropped.
D. The synonym would be dropped and any PUBLIC synonym with the same name becomes invalid.
Answer: A
Q60. View the Exhibit and examine the structure of the ORDERS table. The columns ORDER_MODE and ORDER_TOTAL have the default values 'direct' and 0 respectively.
Which two INSERT statements are valid? (Choose two.)
A. INSERT INTO orders
VALUES (1, O9-mar-2007', 'online',",1000);
B. INSERT INTO orders
(order_id ,order_date ,order_mode,
customer_id ,order_total)
VALUES(1 ,TO_DATE(NULL), 'online', 101, NULL);
C. INSERT INTO
(SELECT order_id ,order_date .customer_id
FROM orders)
VALUES (1,O9-mar-2007', 101);
D. INSERT INTO orders
VALUES (1,09-mar-2007', DEFAULT, 101, DEFAULT);
E. INSERT INTO orders
(order_id,order_date ,order_mode .order_total)
VALUES (1 ,'10-mar-2007','online',1000);
Answer: CD
