Please provide detailed solution.   Create a logical ERD for an online movie rental service (no many to many relationships). Use the following description of operations on which your business rules must be based: The online movie rental service classifies movie titles according to their type: comedy, western, classical, science fiction, cartoon, action, musical, and new release. Each type contains many possible titles, and most titles within a type are available in multiple copies. For example, note the following summary: TYPE TITLE Musical My Fair Lady (Copy 1) My Fair Lady (Copy 2) Oklahoma (Copy 1) Oklahoma (Copy 2) Oklahoma (Copy 3)

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Q: Give an illustration of what a Key Attribute is.

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Normalization

Normalization is the process of eliminating redundancy in a database by organizing the data into several smaller tables. The large tables are normalized (converted) into smaller tables by using normalization rules, so that a database administrator can easily handle them. It also eliminates insertion, deletion, and update anomalies.