Kizspy | Question: 23
(Choose 1 answer)
You have a column named TelephoneNumber that stores numbers as varchar(20). You need to write a query that returns the first three characters of a telephone number. Which expression should you use?
A. CHARINDEX('[0-9][0-9][0-9]', TelephoneNumber, 3)
B. SUBSTRING (Telephone Number, 3, 1)
C. SUBSTRING(TelephoneNumber, 3, 3)
D. LEFT(TelephoneNumber, 3)
