1, how to ensure implementation of the script does not repeat
Each script comes with a key. When executing the script, will be key to maintaining a small token, prior to execution, to determine whether there is a list of the key, the key number is also limited, to prevent too much statement is executed
2, how to ensure the synchronization of data
Every day to make inquiries business library id, and the library match the performance, if not the id, to think of this data has been deleted, the data will be collected every day for two days (because only some of the tables to date, not hours), setting the service script primary keys for synchronizing '
3, valid logon is eight hours, using session and automatically log kokke
4、