3 Questions
Explain the concept of normalization in the context of database management systems.
Normalization is the process of organizing data in a database to reduce redundancy and dependency. It involves breaking down a table into smaller tables and defining relationships between them to minimize data duplication and improve data integrity.
What are the key differences between primary key and foreign key constraints in a database?
A primary key uniquely identifies each record in a table and cannot contain NULL values. A foreign key establishes a link between two tables, referencing the primary key of another table. It can contain NULL values if the relationship is optional.
Discuss the advantages and disadvantages of using NoSQL databases compared to traditional SQL databases.
NoSQL databases offer flexibility in handling unstructured and semi-structured data, scalability, and high performance for certain use cases. However, they may lack strong consistency, ACID transactions, and standardized query language support, which are essential in traditional SQL databases.
Test your knowledge of database management systems with this quiz on important questions. Covering key concepts and practical applications, this quiz will help you assess your understanding of DBMS and prepare for exams.
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