n c 1 a 2 a 3 a 4 b 5 b 3 b 4 b 2 b 3 a 5 b 2 b
I have a table as above I want to create a summary table that shows in the first column the total number of occurrences of a value in the first column (n) and in the second column for each value in n a count of the unique entries in c it should look like this n occurence unique 1 1 1 2 3 2 3 3 2 4 2 1 5 2 2 getting the first 2 columns is easy select n, count(*) from table group by cat but how do i create a combined table which also list s the unique counts on c thanks _______________________________________________ sqlite-users mailing list [email protected] http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
