http://blog.csdn.net/dba_waterbin/article/details/23611601?utm_source=tuicool&utm_medium=referral
1 默认备份
[ 18:22:57-root@ssdtest:~ ]#mysqldump -S /data/mysql/test_3312/mysql.sock --single-transaction --force test > s1.sql
2. 加--skip-add-drop-table
[ 17:56:18-root@ssdtest:~ ]#mysqldump -S /data/mysql/test_3312/mysql.sock --single-transaction --skip-add-drop-table --force test > s2.sql
原文：http://www.cnblogs.com/zengkefu/p/5654676.html
