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Question ID 4781

You are currently located in Singapore and have connected to a remote database in Chicago. You issue the following command:
Exhibit:
 
 
PROMOTIONS is the public synonym for the public database link for the PROMOTIONS table. What is the outcome?

Option A

A.    Number of days since the promo started based on the current Singapore data and time.
 

Option B

B.    An error because the ROUND function specified is invalid
 

Option C

C.    An error because the WHERE condition specified is invalid
 

Option D

D.    Number of days since the promo started based on the current Chicago data and time
 

Correct Answer D
Explanation


Question ID 4782

Evaluate the following two queries:
Exhibit:
 
Exhibit:
 
Which statement is true regarding the above two queries?

Option A

A.    Performance would improve in query 2 only if there are null values in the CUST_CREDIT_LIMIT column
 

Option B

B.    Performance would degrade in query 2
 

Option C

C.    There would be no change in performance
 

Option D

D.    Performance would improve in query 2
 

Correct Answer C
Explanation

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