ABAP ALV Programming Logic

This is a standard report type programming.

All you need to do is create a report program, Use OOPs style of programming if that is what is practiced in your office,

Create a ALV list.

Create a type that contains all your output field.( call it final table )

You need to use select queries to fetch the data from various tables.

Then using a loop statement you need to collate the data by reading your internal tables into the final data
.
The call the ALV method 'REUSE_ALV_LIST_DISPLAY' and pass your final internal table for display.

You use select queries on your required table.

There will be always one primary table that will serve as your base table.