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Computers and Technology, 22.07.2021 05:10 anonymous176

Thiết lập một lược đồ ER mô tả CSDL quản lý bệnh viện bao gồm bác sĩ và bệnh nhân. Bác sĩ có các thông tin về số CMT, tên, ngày sinh, chuyên môn, tuổi, thâm niên; bệnh nhân có các thông tin số CMT, tên, ngày sinh, nghề nghiệp, địa chỉ. Mỗi bác sĩ khác bệnh cho nhiều bệnh nhân. Mỗi bệnh nhân được khám bởi một vài bác sĩ. Thời gian khám bệnh cũng được lưu trong CSDL.

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Thiết lập một lược đồ ER mô tả CSDL quản lý bệnh viện bao gồm bác sĩ và bệnh nhân. Bác sĩ có các thô...

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