mysql 语句碎片

1. find_in_set('''$ip''',CONCAT('''', REPLACE( REPLACE(w_ip,',',''',''') ,'-',''',''')

2. grant all privileges on *.* to test@* identified by '123456';

3. 触发器中无法使用事务，也没有办法进行异常处理。

4. 替换字符串，update business set bus_hidden_time=REPLACE\(bus_hidden_time,',201503',''\) where bus_id=$1;