10 Questions
What is the primary purpose of normalization in the context of database design?
To minimize redundancy and reduce the likelihood of errors or inconsistencies
Which type of key uniquely identifies a record in a table and ensures data integrity in relational database design?
Primary key
What is an essential characteristic of a well-structured relation in a database?
Minimal redundancy and flexibility for data manipulation
In the context of relational database design, what is the purpose of integrity constraints?
To enforce rules for data accuracy and consistency
What is the primary role of foreign keys in relational database design?
To ensure referential integrity between related tables
Normalization is a process for deciding that relations are well-structured and typically results in well-structured relations.
False
The purpose of normalization in database design is to ensure that relations contain minimal redundancy.
True
A well-structured relation allows users to insert, modify, and delete rows in a table with errors or inconsistencies.
False
Relational keys include Primary key, Foreign key, and Composite key.
True
Mapping binary Many-to-Many relationships is a step in transforming ER diagrams into relations.
True
Test your knowledge of logical database design and the relational model with this quiz. Learn about relational data structure, relational keys, properties of relations, and the process of transforming an ER-Diagram into relations.
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