php - How to find Total of sum of rows in mysql? -


i trying rows table. job properly. problem comes when put each row values percentage , tried sum percentage. example, using following query output rows:

select sum( mark_score ) / sum( full_mark ) *50 score nuexam regd = '22' group subject

with above query got following output:

query output

i want sum total of score. far output. appreciated. welcome php solution.

simply running nested query should work:

select sum(s) score (select sum( mark_score ) / sum( full_mark ) *50 s     nuexam     regd = '22'     group subject) table

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