Databases revision

Attempt the following question in your free time
1. Define a database field? [2 marks]
2. Distinguish between a query and a sort. [4 marks]
3. Explain why mail merge is a powerful tool for a organization like a school. [6 marks]
4. Explain why a relational database might be more efficient and/or effective than a flat-file database for a hospital. [6 marks]
6. Describe data mining. [2 marks]
7. Explain the importance of data integrity in a DNA database. [6 marks]
8. Discuss the storage of medical records on an international database. [10 marks]