0
votes
2answers
128 views

Aggregate query on multiple values of same field

I am using SQL-Server 2012, I have a table of credit card transactions as follows: CardScheme RespCode ========================= Visa Declined MasterCard Approved MasterCard Approved ...
7
votes
2answers
1k views

How to flatten results of a table with two related “many” tables?

I've reorganized some tables in my database to be more flexible but I'm not really sure how to write the SQL to extract meaningful data from them. I have the following tables (somewhat abbreviated ...