database management

database management - 3. Record - A record is a row into a...

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1. Discuss each of the following terms: 1. Data - Data is facts that we collect and can be stored in a database. 2. Field - In a database table we typically have several fields. These fields identify the data inserted into their column. Fields typically have certain properties like varchar, char or int. A field having these properties only allows us to insert that type of data. Fields are also given a set limit of characters they can hold.
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Unformatted text preview: 3. Record - A record is a row into a table. Records can then be updated deleted and new ones inserted. 4. File Files are needed to store the information about the databases, their tables and the tables fields, lastly files then store the data. What is data redundancy and, and which are characteristics that can lead to it? Data redundancy is duplicate records....
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