1Z0-047 pdf questions

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Oracle 1z0-047 dumps free download
Evaluate the following ALTER TABLE statement:
SET UNUSED order_date;
Which statement is true?
A.The DESCRIBE command would still display the ORDER_DATE column.
B.ROLLBACK can be used to get back the ORDER_DATE column in the ORDERS table.
C.The ORDER_DATE column should be empty for the ALTER TABLE command to execute successfully.
D.After executing the ALTER TABLE command, you can add a new column called ORDER_DATE to the ORDERS table.
Answer: D

View the Exhibit and examine the description of the ORDERS table.
You need to display CUSTOMER_ID for all customers who have placed orders more than three times in the last six months. You issued the following SQL statement:
SELECT customer_id,COUNT(order_id)
FROM orders
WHERE COUNT(order_id)>3 AND
GROUP BY customer_id;
Which statement is true regarding the execution of the above statement?
A.It would execute successfully and provide the desired result.
B.It would not execute because the WHERE clause cannot have an aggregate function.
C.It would not execute because the ORDER_ID column is not included in the GROUP BY clause.
D.It would not execute because the GROUP BY clause should be placed before the WHERE clause.
Answer: B

Oracle Database SQL Expert 1z0-047
Exam Number/Code : 1z0-047
Exam Name : Oracle Database SQL Expert
One year free update
Once failed,100% refund
Questions and Answers : 192Q&As
Update Time : 2012-11-1
Price : $79.00

The Oracle Database: SQL Certified Expert certification is a standalone certification from Oracle with the exam code 1Z0-047. The Oracle Database SQL Expert exam also provides credit towards following certifications:
Oracle Database 11g Administrator Certified Associate
Oracle Database 10g Administrator Certified Associate
Oracle Database 9i Administrator Certified Associate
Oracle PL/SQL Developer Certified Associate

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