How to get correct SUM() when joining table with duplicated row data?

Currently I have 3 tables, the first table ‘Users’ contains id and user_name. The second table ‘listings’ contains refno and agent_id. And my third table ‘logs’ contains refno and status. Now I want to display the name of a person next to their status. So basically I want the count of status entries from logs and put their respective username next to it.

How to create a derived attribute column in sql which is sum of other two existing columns

CREATE TABLE Software ( name varchar(8) not null, title varchar(20) not null, dev_in varchar(8) not null, scost decimal(7,2), dcost integer(5), sold integer(3) ); I want to have a column selling_price which is sum of scost and dcost. Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not … Read more