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Database design process

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Question

1. Conceptual design is the first stage in the database design process. The output of this process is a conceptual data model that describes the main entities. attributes, relationships, and constraints of a given problem domain. Discuss FOUR steps with their activities in conceptual design phase.

2. Mobile Database is a database that resides on a mobile device such as smart phone and notebook. Describe FOUR challenges in Mobile Database. Give an example for each challenges.

3. Explain TWO advantages of database system approach over file-based approach.

Reference no: EM133217050

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