Count number of NULL values in each column in SQL

Question

I am trying to write a script that will show the number of non-null values in each column as well as the total number of rows in the table.

I have found a couple wa

Answer 1

you can go with dynamic sql and sys tables.
depending on the version of sql you are using the syntax will change slightly but these are the steps:
- list the columns reading sys.columns and save the list in a temp table or table variable
- make a loop through that temp table and build the sql using the same logic you would apply manually
- execute the dynamic sql built on previous step with sp_executesql