Chức năng quản trị hệ thống là chức năng quan trọng đối với việc vận hành của một hệ thống, hoạt động này nhằm tránh làm rối loạn thông tin dữ liệu, thông tin ngƣời dùng cũng nhƣ các hoạt động của ngƣời sử dụng. Ngƣời quản trị hệ thống là ngƣời có nhiệm vụ quản lý các thơng tin và quyền của từng đối tƣợng sử dụng, có quyền xóa thơng tin ngƣời sử dụng hoặc hạn chế các quyền của ngƣời sử dụng. Đồng thời, ngƣời quản trị cũng là ngƣời duy trì hoạt động của hệ thống, bảo trì dữ liệu của hệ thống theo định kỳ, đảm bảo cho hệ thống hoạt động một cách hiệu quả. (hình 3.8).
act hoat dong dang ki ban dau/bien dong
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Dang nhap Xac nhan thanh v ien
Yeu cau dang nhap
lai
Hien thi chuc nang cho can bo dia chinh
Lua chon lop du lieu can cap nhat
Phan he Dang ky ban dau Can bo dia chinh He thong Phan he Dang ky bien dong
Chon chuc nang
DK ban dau DK bien dong Yeu cau nhap thong tin
dang ky ban dau
Yeu cau nhap thong tin bien dong
Nhap thong tin bien dong Nhap thong tin dang ky
ban dau
Nhan thong tin bien dong
Yeu cau nhap lai
Luu thong tin v ao CSDL
Hien thi thong tin tren he thong Kiem tra thong tin cap nhat
Dang xuat Kiem tra thong tin Nhan thong tin dang ky moi
Sai Dung Yeu cau nhap lai dang ky ban dau dang ky bien dong khong hop le hop le khong hop le hop le
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