Question: You need to write a query that returns all products that have a SerialNumber ending with "10_3". Which `WHERE` clause should you use to fill in the blank in this query?

1. `WHERE SerialNumer LIKE '%10_3'`
2. `WHERE SerialNumer LIKE ('%10'+'_'+'3')`
3. `WHERE SerialNumer LIKE '%10"_"3'`
4. `WHERE SerialNumer LIKE '%10[_]3'`

Answer: The correct answer of the above question is Option A:`WHERE SerialNumer LIKE '%10_3'`