会用到锁，其实也还好，没必要用到就尽量不要用。
邯城往事
#!/bin/sh
mysql -uroot -p8rKSwodBFkcteU8h 2>/dev/null -e "flush tables with read lock;"
mysql -uroot -p8rKSwodBFkcteU8h 2>/dev/null -e "create database bolo_bak;"
tbname=$(mysql -uroot -p8rKSwodBFkcteU8h 2>/dev/null -e "SELECT table_name from information_schema.tables where TABLE_SCHEMA='bolo'")
for i in $tbname; do
mysql -uroot -p8rKSwodBFkcteU8h bolo_bak 2>/dev/null -e "create table $i like bolo.$i"
mysql -uroot -p8rKSwodBFkcteU8h hellodb_bak 2>/dev/null -e "insert into $i select * from bolo.$i"
done
mysql -uroot -p8rKSwodBFkcteU8h bolo_bak 2>/dev/null -e "unlock tables;"