Question

Compare and contrast the three phases of database design.

Answer 1

Answer:

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Answer 2

Conceptual,logical, and physical design.

Explanation:

Phases of Database Design

Database design is made up of three main phases, namely conceptual,logical, and physical design.

Conceptual database design

to build the conceptual representation of the database,which includes identification of the important entities,relationships, and attributes.

Logical database design

to translate the conceptual representation to the logical structure of the database, which includes designing the relations.

Physical database design

to decide how the logical structure is to be physically implemented (as base relations) in the target Database Management System (DBMS)

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