quick selection of a random row from a large table in mysql

Question

What is a fast way to select a random row from a large mysql table?

I\'m working in php, but I\'m interested in any solution even if it\'s in another language.

Answer 1

I have used this and the job was done the reference from here

SELECT * FROM myTable WHERE RAND()<(SELECT ((30/COUNT(*))*10) FROM myTable) ORDER BY RAND() LIMIT 30;