I am sorry if this question has been asked before, I can get a partial on this using an IF statement, but I don't know how to put 3 together to give the result I'm looking for or even if it can be don...

I have the following mapping: .ForMember(dest => dest.AskerAverageRating, opt => opt.MapFrom(src => src.ReviewsReceived != null? ((float)src.ReviewsReceived.Sum(r => r.Rating)...

I have 2 dataframes df1 and df2 (same index and number of rows), and I would like to create a new dataframe which columns are the sum of all combinations of 2 columns from df1 and df2, example : input...

I have a column named myh. It has decimal values like: 65.20, 56.49 When I tried to sum up in Redshift using sum(), it is showing the result as 121 and it is ignoring the decimal values. Is there any ...