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Q151. View the Exhibit and examine the structure for the ORDERS and ORDER_ITEMS tables. 

You want to display ORDER_ID, PRODUCT_ID, and TOTAL (UNIT_PRICE multiplied by QUANTITY) for all the orders placed in the last seven days. 

Which query would you execute? 

A. SELECT orde_id, product_id, unit_price*quantity "TOTAL" 

FROM order_items oi JOIN orders o 

ON (o.order_id=oi. order_id) 

WHERE o.order_date>=SYSDATE-7; 

B. SELECT o.order_id,oi.product_id, oi.unit_price*oi.quantity "TOTAL" 

FROM order_items oi JOIN orders o 

USING (order_id) 

WHERE o.order_date>=SYSDATE-7; 

C. SELECT o.order_id, oi.product_id, oi.unit_price*oi.quantity "TOTAL" 

FROM order_items oi JOIN orders o 

WHERE o.order_date>=SYSDATE-7 ON (o.order_id=oi. order_id); 

D. SELECT o.order_id, oi.product_id, oi.unit_price*oi.quantity "TOTAL" 

FROM orde_items oi JOIN orders o 

ON (o.order_id=oi. order_id) 

WHERE o. order date>=SYSDATE-7; 

Answer: D


Q152. View the Exhibit and examine the description of the EMPLOYEES table. 

You want to calculate the total remuneration for each employee. Total remuneration is the sum of the annual salary and the percentage commission earned for a year. Only a few employees earn commission. 

Which SOL statement would you execute to get the desired output? 

A. SELECTfirst_name, salary, salary*12+salary*commission_pct "Total" 

FROM EMPLOYEES; 

B. SELECTfirst_name,salary, salary*12+NVL((salary*commission_pct), 0) "Total" 

FROMEMPLOYEES; 

C. SELECTfirst_name, salary, salary*12 + NVL(salary, O)*commission_pct "Total" 

FROM EMPLOYEES; 

D. SELECTfirst_name, salary, salary*12+(salary*NVL2(commission_pct, 

salary,salary+commission_pct))"Total" 

FROM EMPLOYEES; 

Answer: B


Q153. View the Exhibit and examine the description of the CUSTOMERS table. 

You want to add a constraint on the CUST_FIRST_NAME column of the CUSTOMERS table so that the value inserted in the column does not have numbers. 

Which SOL statement would you use to accomplish the task? 

A. ALTER TABLE CUSTOMERS ADD CONSTRAINT 

cust_f_name CHECK(REGEXP_LIKE(cust_first_name,,^A-Z’)NOVALIDATE; 

B. ALTER TABLE CUSTOMERS ADD CONSTRAINT 

cust_f_name CHECK(REGEXP_LIKE(cust_first_name,,'^[0-9]’))NOVALIDATE; 

C. ALTER TABLE CUSTOMERS ADD CONSTRAINT 

cust_f_name CHECK(REGEXP_LIKE(cust_first_name,'[[: alpha:]]'))NOVALIDATE; 

D. ALTER TABLE CUSTOMERS ADD CONSTRAINT 

cust_f_name CHECK(REGEXP_LIKE(cust_first_name,'[[: digit: ]]’))NOVALIDATE; 

Answer: C


Q154. View the Exhibit and examine the structure of the EMPLOYEES table. 

You want to retrieve hierarchical data of the employees using the top-down hierarchy. Which SQL clause would let you choose the direction to walk through the hierarchy tree? 

A. WHERE 

B. HAVING 

C. GROUP BY 

D. START WITH 

E. CONNECT BY PRIOR 

Answer: E


Q155. View the Exhibit and examine the structure of the EMPLOYEES table. 

You want to know the FIRST_NAME and SALARY for all employees who have the same manager as that of the employee with the first name 'Neena' and have salary equal to or greater than that of'Neena'. 

Which SQL statement would give you the desired result? 

A. SELECTfirst_name, salary FROM employees WHERE (manager_id, salary) >= ALL (SELECT manager_id, salary FROM employees WHERE first_name = 'Neena' AND first_name <> 'Neena' 

B. SELECT first_name, salary FROM employees WHERE (manager_id, salary) >= (SELECT manager_id, salary FROM employees WHERE first_name = 'Neena') AND first_name <> 'Neena' 

C. SELECT first_name, salary FROM employees WHERE (manager_id, salary) >= ANY (SELECT manager_id, salary FROM employees WHERE first_name = 'Neena' AND first_name <> 'Neena' 

D. SELECT first_name, salaryFROM employees WHERE (manager_id = (SELECT manager_id FROM employees WHERE first_name = 'Neena') AND salary >= (SELECT salary FROM employees WHERE first_name = 'Neena')) AND first name <> 'Neena' 

Answer: D


Avant-garde 1z0-047 oracle database sql expert pdf:

Q156. View the Exhibit and examine the data in the DEPARTMENTS tables. 

Evaluate the following SQL statement: 

SELECT department_id "DEPT_ID", department_name , 'b' FROM departments WHERE department__id=90 UNION SELECT department_id, department_name DEPT_NAME, 'a' FROM departments WHERE department_id=10 

Which two ORDER BY clauses can be used to sort the output of the above statement? (Choose two.) 

A. ORDERBY 3; 

B. ORDER BY'b' 

C. ORDER BYDEPT_ID; 

D. ORDER BY DEPTNAME; 

Answer: AC


Q157. Which statement correctly differentiates a system privilege from an object privilege? 

A. System privileges can be granted only by the DBA whereas object privileges can be granted by DBAs or the owner of the object. 

B. System privileges give the rights to only create user schemas whereas object privileges give rights to manipulate objects in a schema. 

C. Users require system privileges to gain access to the database whereas they require object privileges to create objects in the database. 

D. A system privilege is the right to perform specific activities in a database whereas an object privilege is a right to perform activities on a specific object in the database. 

Answer: D


Q158. 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


Q159. View the Exhibit and examine the structure of the PRODUCT_INFORMATION and INVENTORIES tables. 

You have a requirement from the supplies department to give a list containing PRODUCT_ID, SUPPLIER_ID, and QUANTITY_ON_HAND for all the products wherein QUANTITY_ON_HAND is less than five. 

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

A. SELECT product_id, quantity_on_hand , supplier_id FROM product_information NATURAL JOIN inventories AND quantity_on_hand<5; 

B. SELECT i.product_id, i.quantity_on_hand , pi.supplier_id FROM product_information pi JOIN inventoriesi USING (product_id) AND quantity_on_hand < 5; 

C. SELECT i.product_id, i.quantity_on_hand , pi.supplier_id FROM product_information pi JOIN inventories i ON (pi. product_id=i. product_id) WHERE quantity_on_hand < 5; 

D. SELECT i.product_id, i.quantity_on_hand , pi.supplier_id FROM product_information pi JOIN inventories i ON (pi. product_id=i. product_id) AND quantity_on_hand < 5; 

Answer: CD


Q160. Evaluate the following SQL statement: 

ALTER TABLE hr.emp SET UNUSED (mgr_id); 

Which statement is true regarding the effect of the above SQL statement? 

A. Any synonym existing on the EMP table would have to be re-created. 

B. Any constraints defined on the MGR_ID column would be removed by the above command. 

C. Any views created on the EMP table that include the MGR_ID column would have to be dropped and re-created. 

D. Any index created on the MGR_ID column would continue to exist until the DROP UNUSED COLUMNS command is executed. 

Answer: B