-CREATE DATABASE $mysqldb;
-CREATE USER '$mysqluser'@'%' IDENTIFIED BY '$mysqlpwd';
-GRANT ALL PRIVILEGES ON $mysqldb.* TO '$mysqluser';
+CREATE DATABASE \`$mysqldb\`;
+CREATE USER \`$mysqluser\`@'%' IDENTIFIED BY '$mysqlpwd';
+GRANT ALL PRIVILEGES ON \`$mysqldb\`.* TO \`$mysqluser\`;