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1. What is a database and provide 2 example of a database 2. Describe the hierarchy, relational, NoSQL and Networking databases and provide an company

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1. What is a database and provide 2 example of a database 2. Describe the hierarchy, relational, NoSQL and Networking databases and provide an company the offers NoSQL database and relational database. 3. What is a RDBMS 4. What is a tuple and attribute and provide an example for each. 5. What is a primary key, foreign key, unique key, super key, alternate key and provide an example for each. 6. What types of relationships exist in a relational database and provide an example for each

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