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Database maintenance can let user delete old record by them in order to speed up the system efficiency.
Attention:
1.
Please use the function carefully because the deleted data can not
be recovered. We suggest backup the database before using it.
2.
Keeping 1 year or above data record is recommended
1.
Choose
“Database Maintenance”
2.
Select
item areas to be deleted
3.
Choose
delete data period
4.
Press
“DELETE” to confirm deletion