备份和还原数据库
# 备份现有数据库
mysqldump -h host -u user -p production_old > production_old.sql
mysqldump sharp_wechat_production -uroot -pSharp101Event >sharp_wechat_production_0322.sql
mysqldump woqi2b_production -uwoqi2b -pwoqi2b >woqi2b_production_2018-03-08.sql
# 还原⾄新数据库
mysql -h host -u user -p production_new < production_old.sql
还原⽅法⼆:
use database_name;source /Users/libo/Desktop/woqi2b_production_1020.sql