Your h-index is the highest number n, such that you have at least n questions/answers, all of which have at least n score.
Q&A for professionals and students of engineering
Select max(score) from posts where owneruserid=88656 ; with scores (score, count) as ( select 0, (select count(*) from posts where owneruserid=88656 and score>=0) ) select * from scores order by score