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Question ID 4787

You work as a database administrator at ABC.com. You study the exhibit carefully.
Exhibit:
 
you issue the following SQL statement on the CUSTOMERS table to display the customers who are in the same country as customers with the last name 'king' and whose credit limit is less than the maximum credit limit in countries that have customers with the last name 'king'.
Exhibit:
 
 
Which statement is true regarding the outcome of the above query?

Option A

A.    It produces an error and the < operator should be replaced by < ANY to get the required output
 

Option B

B.    It produces an error and the IN operator should be replaced by = in the WHERE clause of the main query to get the required output
 

Option C

C.    It executes and shows the required result
 

Option D

D.    It produces an error and the < operator should be replaced by < ALL to get the required output
 

Correct Answer C
Explanation


Question ID 4788

You need to create a table for a banking application. One of the columns in the table has the following requirements:
You want a column in the table to store the duration of the credit period
The data in the column should be stored in a format such that it can be easily added and subtracted with DATE data type without using conversion
The maximum period of the credit provision in the application is 30 days the interest has to be calculated for the number of days an individual has taken a credit for
Which data type would you use for such a column in the table?
 

Option A

A.    INTERVAL YEAR TO MONTH
 

Option B

B.    NUMBER
 

Option C

C.    TIMESTAMP
 

Option D

D.    DATE
 

Option E

E.    INTERVAL DAY TO SECOND
 

Correct Answer E
Explanation

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