1. DDL only
mysqldump -uneed4spd -p --skip-add-locks --single-transaction --skip-lock-tables -d DBNAME > /home/need4spd/test.sql
-> -D가 no data
2. no create info
mysqldump -uneed4spd -p --skip-add-locks --single-transaction --skip-lock-tables --no-create-info DBNAME > /home/need4spd/test.sql