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Database Schema is the ________ design of the database.OptionsRelationLogicalPhysicalInstance

Question

Database Schema is the ________ design of the database.

Options:

  • Relation
  • Logical
  • Physical
  • Instance
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Solution

The correct answer is "Logical."

Explanation

A database schema is a blueprint or architecture of how data is organized in a database. Specifically, the logical design of the database refers to how the data is logically structured and the relationships between different data entities without considering how that data is physically stored. This includes definitions of tables, fields, data types, and the relationships between the tables, often represented in an Entity-Relationship (ER) diagram.

In contrast, physical design involves the actual storage of data and the performance aspects, such as indexing and storage allocation. Options like "Relation" and "Instance" relate to specific aspects of databases but do not capture the overall systemic view that "Logical" does. Therefore, a database schema primarily falls under the category of logical design.

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