Question: As stated in the book a database is a self-describing collection of integrated records When converted into MS Access database software from MS Excel spreadsheets,

As stated in the book "a database is a self-describing collection of integrated records" When converted into MS Access database software from MS Excel spreadsheets, data now has the ability to be more intellgently manipulated and integrated with other datasets by way of creating relationships.

1. What are the 4 levels in the hierarchy of data elements?

2. What are the 3 components of a database? What are primary and foreign keys and why are they important in databases?

3. Gain an understanding of database relationships. What is metadata?

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