Question No : 7
You need to store product names that vary from three to 30 characters. You also need to minimize the amount of storage space that is used. Which data type should you use?
A. VARCHAR (3, 30)
B. CHAR (3, 30)
C. VARCHAR (30)
D. CHAR (30)
Answer: C
Friday, 20 April 2018
Wednesday, 18 April 2018
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Question : 6
A database contains two tables named Customer and Order.You execute the following statement:
DELETE FROM Order WHERE CustomerID = 209 What is the result?
A. The first order for CustomerID 209 is deleted from the Order table.
B. All orders for CustomerID 209 are deleted from the Order table, and CustomerID 209 is
deleted from the Customer table.
C. All orders for CustomerID 209 are deleted from the Order table.
D. CustomerID 209 is deleted from the Customer table.
Answer: C
A database contains two tables named Customer and Order.You execute the following statement:
DELETE FROM Order WHERE CustomerID = 209 What is the result?
A. The first order for CustomerID 209 is deleted from the Order table.
B. All orders for CustomerID 209 are deleted from the Order table, and CustomerID 209 is
deleted from the Customer table.
C. All orders for CustomerID 209 are deleted from the Order table.
D. CustomerID 209 is deleted from the Customer table.
Answer: C
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