MySQL select 10 random rows from 600K rows fast

Question

How can I best write a query that selects 10 rows randomly from a total of 600k?

Answer 1

Use the below simple query to get random data from a table.

SELECT user_firstname ,
COUNT(DISTINCT usr_fk_id) cnt
FROM userdetails 
GROUP BY usr_fk_id 
ORDER BY cnt ASC  
LIMIT 10