Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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- If a relational database is incapable of supporting many-to-many linkages, could you supply some examples? Please let us know if you have any.arrow_forwardGive an explanation as to why a relational database cannot enable many-to-many connections, and offer an example to back up your argument.arrow_forwardHow can I avoid bad design practices in my own database design model?arrow_forward
- Explain what can be done with primary keys to eliminate key ripple effects as a database evolves.arrow_forwardAs illustrated, a relational database can't have these connections.arrow_forwardGive a justification for why a relational database cannot support many-to-many relationships, and support your position with an example?arrow_forward
- Can someone explain to me how to find a superkey in a relational database? (This is my first time learning about keys, SO PLEASE EXPLAIN IN SIMPLE AND PROPER DETAIL). in fact, can someone explain the different types of keys to me in relational databases (PLEASE EXPLAIN SIMPLY AND THOROUGHLY).arrow_forwardNormalisation is a crucial stage in constructing and structuring tables (relations) and their columns (attributes or fields) in a relational database. Consequently, what are the concerns associated with designing a database without it? Is the database still operable?arrow_forwardGive an example showing why you believe many-to-many connections are impossible in a relational database.arrow_forward
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