TSQL Challenge 54 - Find the longest matching area code from phone numbers
An IVR application stores call information into a SQL Server table. A reporting application needs to read phone numbers from the call log and identify the country-code/area-code that is part of the phone number. Your job is to write a query that identifies the longest matching country/area code from each phone number based on the information stored in an area-code reference table.
This problem is related to a reservation system where customers book a service and pay it in one or more transactions which may happen on different dates.
2010-06-28
1,576 reads
The idea of this challenge is to clean up the phrase from the words identified as 'noise' words from the beginning and end of sentences.
2010-06-14
2,667 reads
This is a matrix transposition challenge. Your job is to change the position of the numbres in a 5x5 matrix.
2010-05-17
2,132 reads
Your job is to reorganize the items in the table by sales amount (quantity * price). Reorganize the items from left to right, bottom to top. The item with the highest sales amount should come on top left of each invoice.
2010-05-03
1,836 reads
Here is another scheduling problem that deals with the allotment of classrooms for various training programs. Your chalenge is to read the source data and build an output result set that shows the weekly schedule of each training topic and the class room in which training is scheduled.
2010-03-22
1,783 reads
