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Q121. View the Exhibit and examine the structure of the EMPLOYEES table. 

You want to display all employees and their managers having 100 as the MANAGER_ID. You want the output in two columns: the first column would have the LAST_NAME of the managers and the second column would have LAST_NAME of the employees. 

Which SQL statement would you execute? 

A. SELECT m.last_name "Manager", e.last_name "Employee" 

FROM employees m JOIN employees e 

ON m.employee_id = e.manager_id 

WHERE m.manager_id=100; 

B. SELECT m.last_name "Manager", e.last_name "Employee" 

FROM employees m JOIN employees e 

ON m.employee_id = e.manager_id 

WHERE e.managerjd=100; 

C. SELECT m.last_name "Manager", e.last_name "Employee" 

FROM employees m JOIN employees e 

ON e.employee_id = m.manager_id 

WHERE m.manager_id=100; 

D. SELECT m.last_name "Manager", e.last_name "Employee" 

FROM employees m JOIN employees e 

WHERE m.employee_id = e.manager_id AND e.managerjd=100; 

Answer: B


Q122. Evaluate the following CREATE SEQUENCE statement: 

CREATE SEQUENCE seql START WITH 100 INCREMENT BY 10 MAXVALUE 200 CYCLE NOCACHE; 

The sequence SEQ1 has generated numbers up to the maximum limit of 200. You issue the following SQL statement: 

SELECT seql.nextval FROM dual; 

What is displayed by the SELECT statement? 

A. 1 

B. 10 

C. 100 

D. an error 

Answer: A


Q123. Which two statements are true regarding operators used with subqueries? (Choose two. 

A. The NOT IN operator is equivalent to IS NULL 

B. The <ANY operator means less than the maximum. 

C. =ANY and =ALL operators have the same functionality. 

D. The IN operator cannot be used in single-row subqueries. 

E. TheNOT operator can be used with IN, ANY and ALL operators. 

Answer: BE


Q124. Which statement is true regarding Flashback Version Query? 

A. It returns versions of rows only within a transaction. 

B. It can be used in subqueries contained only in a SELECT statement. 

C. It will return an error if the undo retention time is less than the lower bound time or SCN specified. 

D. It retrieves all versions including the deleted as well as subsequently reinserted versions of the rows. 

Answer: D


Q125. View the Exhibit and examine the details of the EMPLOYEES table. 

Evaluate the following SQL statements: 

Statement 1: 

SELECT employee_id, last_name, job_id, manager_id 

FROM employees START WITH employee_id = 101 

CONNECT BY PRIOR employee_id = manager_id AND manager_id != 108 ; 

Statement 2: 

SELECT employee_id, last_name, job_id, manager_id 

FROM employees 

WHERE manager_id != 108 

START WITH employee_id = 101 

CONNECT BY PRIOR employee_id = manager_id; 

Which two statements are true regarding the above SQL statements? (Choose two.) 

A. Statement 2 would not execute because theWHEREclause condition is not 

allowed in a statementthathas the START WITH clause. 

B. Theoutput forstatement1 would displaytheemployee with MANAGER_ID108 and 

all the employeesbelowhim or herin thehierarchy. 

C. The output of statement 1 wouldneither display the employee with MANAGER_ID 108 nor any 

employee below him or herinthe hierarchy. 

D. The output for statement 2 would not display theemployee with MANAGER_ID 108 but it 

would display all the employees belowhimor her in the hierarchy. 

Answer: CD


Abreast of the times 1z0-047 free dumps:

Q126. Which statement is true regarding the CUBE operator in the GROUP BY clause of a SQL statement? 

A. It produces only aggregates for the groups specified in the GROUP BY clause. 

B. It finds all the NULL values in the superaggregates for the groups specified in the GROUP BY clause. 

C. It produces 2 n possible superaggregate combinations, if the n columns and expressions are specified in the GROUP BY clause. 

D. It produces n+1 possible superaggregate combinations, if the n columns and expressions are specified in the GROUP BY clause. 

Answer: C


Q127. View the Exhibit and examine the structure of EMPLOYEES and JOB_HISTORY tables. 

The EMPLOYEES table maintains the most recent information regarding salary, department, and job for all the employees. The JOB_HISTORY table maintains the record for all the job changes for the employees. You want to delete all the records from the JOB_HISTORY table that are repeated in the EMPLOYEES table. 

Which two SQL statements can you execute to accomplish the task? (Choose two.) 

A. DELETE FROM job_history j WHERE employee_id = (SELECT employee_id FROM employees e WHERE j.employee_id = e.employee_id) AND job_id = (SELECT job_id FROM employees e WHERE j.job_id = e.job_id); 

B. DELETE FROM job_history j WHERE (employee_id, job_id) = ALL (SELECT employee_id, job_id FROM employees e WHERE j.employee_id = e.employee_id and j.job_id = e.job_id) 

C. DELETE FROM job_history j WHERE employee_id = (SELECT employee_id FROM employees e WHERE j.employee_id = e.employee_id and j.job_id = e.job_id) 

D. DELETE FROM job_history j WHERE (employee_id, job_id) = (SELECT employee_id, job_id FROM employees e WHERE j.employee_id = e.employee_id and j.job_id = e.job_id) 

Answer: CD


Q128. You executed the following SQL statements in the given order: 

CREATE TABLE orders 

(order_id NUMBER(3) PRIMARY KEY, 

order_date DATE, 

customer_id number(3)); 

INSERT INTO orders VALUES (100,'10-mar-2007,,222); 

ALTER TABLE orders MODIFY order_date NOT NULL; 

UPDATE orders SET customer_id=333; 

DELETE FROM order; 

The DELETE statement results in the following error: 

ERROR at line 1: 

ORA-00942: table or view does not exist 

What would be the outcome? 

A. All the statements before the DELETEstatementwouldberolled back. 

B. Allthestatements before theDELETEstatement wouldbeimplicitly committedwithin thesession. 

C. Allthe statements up to theALTER TABLEstatement would be committedandthe outcomeof UPDATEstatementwouldberolled back. 

D. All the statements up to theALTERTABLEstatementwould be committed and the outcome oftheUPDATE statement is retained uncommittedwithin thesession. 

Answer: D


Q129. View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables. 

Which INSERT statement should be used to add a row into the ORDERS table for the customer whose CUST LAST NAME is Roberts and CREDIT LIMIT is 600? 

A. INSERT INTO orders VALUES (1,'10-mar-2007', 'direct', (SELECT customer_id FROM customers WHERE cust_last_name='Roberts' AND credit_limit=600), 1000); 

B. INSERT INTO orders (order_id,order_date,order_mode, (SELECT customer_id FROM customers WHERE cust_last_name='Roberts' AND credit_limit=600) .order_total) 

VALUES(1 ,'10-mar-2007', 'direct', &&customer_id, 1000); 

C. INSERT INTO orders (order_id.order_date.order_mode, 

(SELECT customer_id 

FROM customers 

WHERE cust_last_name='Roberts' AND 

credit _limit=600) .order_total) 

VALUES(1 ,'IO-mar-2007', 'direct', &customer_id, 1000); 

D. INSERT INTO(SELECT o.order_id, o.order_date.o.orde_mode.c.customer_id, 

o.order_totalFROM orders o, customers c 

WHERE o.customer_id = c.customer_id 

AND c.cust_last_name='Roberts'ANDc. Credit_limit=600) 

VALUES (1,'10-mar-2007', 'direct',(SELECT customer_id 

FROM customers 

WHERE cust_last_name='Roberts' AND 

Credit_limit=600), 1000); 

Answer: A


Q130. Which two statements are true regarding operators used with subqueries? (Choose two. 

A. The NOT IN operator is equivalent to IS NULL 

B. The <ANY operator means less than the maximum. 

C. =ANY and =ALL operators have the same functionality. 

D. The IN operator cannot be used in single-row subqueries. 

E. TheNOT operator can be used with IN, ANY and ALL operators. 

Answer: BE