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McMillenS20Wk10h1 - (7 points Answer Data has to be...

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1. What is a DBMS? Describe its operations. (7 points) Answer: Database software, also known as a database management system (or DBMS) is used to create databases. Users can add, change and delete data in the database, sort and retrieve data from the database, and create reports and forms from the data in a database. 2. What is validation? Give an example of a consistency check.
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Unformatted text preview: (7 points). Answer: Data has to be compared with a set of rules in order to find out if the data is correct. This process is called validation. A consistency check tests the data in associated fields, and makes sure that their relationship is logical. For example, a Training Data field cannot contain a date that occurs earlier than the value in the Joined Data field....
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