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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- Spring '09
- Relational Database, Relational model, relation, Data redundancy