chapter 1 before the advent of database systems

1.1 Data is any given information.

1.2 A place where the data is being stored

1.3 A place inside a field that contains data

1.4 Places where you can store a lot of thing containing data

2 Data redundancy is when a field needs to update in more than one table dus replacing data

3 In a file-based system all the file can only be accesed by one person and it creates more date redundacy

4 Data is information put in a system sso all data is information but not all information is data

5.1 This file contains 7 records

5.2 There are 5 fields per record

5.3 You would need to add another file for which city the client is in

5.4 I would add another field containing the information of the city the client is in