drop user if exists 'av_nisha_tutorials'@'190.92.148.199';
drop user if exists 'av_nisha_tutorials'@'192.170.1.19';
drop user if exists 'av_nisha_tutorials'@'192.170.1.20';
drop user if exists 'av_nisha_tutorials'@'192.170.1.21';
drop user if exists 'av_nisha_tutorials'@'192.170.1.22';
drop user if exists 'av_nisha_tutorials'@'localhost';
drop database if exists av_nisha_tutorials;