SET FOREIGN_KEY_CHECKS = 0;
SET GROUP_CONCAT_MAX_LEN=32768;
SET @tables = NULL;
SELECT GROUP_CONCAT('`', table_name, '`') INTO @tables
FROM information_schema.tables
WHERE table_schema = (SELECT DATABASE());
SELECT IFNULL(@tables,'dummy') INTO @tables;
SET @tables = CONCAT('DROP TABLE IF EXISTS ', @tables);
PREPARE stmt FROM @tables;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
SET FOREIGN_KEY_CHECKS = 1;
Will not work via phpmyadmin or any script. this has to be run in cmd/terminal
Quick Command
wget https://gist.githubusercontent.com/harshvardhanmalpani/e670a8de7aa81673364dd48f125cb9ac/raw/ce04b319bf1594d148d3346e1474119fe1cd1b3f/flushdb.sql
mysql -hYOUR_DATABASE_HOSTNAME -uYOUR_DATABASE_USER -p YOUR_DATABASE_NAME < flushdb.sql
Source:
https://gist.github.com/harshvardhanmalpani/e670a8de7aa81673364dd48f125cb9ac