It describes what data is stored in

It describes what data is stored in the database, the relationships among the data and complete view of the user’s requirements without any concern for the physical implementation. That is, it hides the complexity of physical storage structures. The conceptual view is the overall view of the database and it includes all the information that is going to be represented in the database.

supports each external view, in that any data available to a user must be contained in, or derivable from, the conceptual level

Chúng ta cần nó bởi vì nó có thể lưu trữ dữ liệu trong database và các mối quan hệ giữa các dữ liệu và it supports each external view, in that any data available to a user must be contained in, or derivable from, the conceptual level

Results (English) 1:

It describes what data is stored in the database, the relationships among the data and complete view of the user's requirements without any concern for the physical implementation. That is, it hides the complexity of physical storage structures. The conceptual view is the overall view of the database and it includes all the information that is going to be represented in the database.supports each external view, in that any data available to a user must be contained in, or derivable from, at the conceptual levelWe need it because it can store the data in the database and the relationships between the data and it supports each external view, in that any data available to a user must be contained in, or derivable from, at the conceptual level

Results (English) 2:

It is stored diễn tả what data in the database, the data and complete Relationships Among the view of the user's requirements without any concern for the physical an implementation. That is, it hides the physical storage of structures compLexity. The conceptual view is the overall view of the database and it includes all the information going to be nằm represented in the database.

Hỗ each external view, print có any data available to a user Phải contained in, or derivable from, the conceptual level

We need it because it can store data in the database and the relationships between the data and it hỗ each external view, print có any data available to a user phải contained in, or derivable from, the conceptual level