Get I.T in Order Access Introduction Information Systems and Databases
The Flat File Database A flat file database organises data into a single table and is suitable for many small applications. Flat file databases organise data using data structures called files, records, fields and characters. Example of Record
Example of a Field
Example of a Character
Information Processes and Technology
Get I.T in Order Access Introduction Information Systems and Databases
Example of a File
Information Processes and Technology
Get I.T in Order Access Introduction Information Systems and Databases
The Limitations of a Flat File Database A Flat file database management system allow you to use only one database file or data table at any one time. For the majority of business tasks, flat file systems are ideal eg (address books, electronic diaries, recording marks etc) They are also relatively easy to operate and learn. The main limitation of a flat file database is that they often result in data redundancy.
Data Redundancy refers to the unnecessary duplication of data within a database. Identify the redundant data in the following database and suggest a solution to solve the redundancy issue.
Information Processes and Technology
Get I.T in Order Access Introduction Information Systems and Databases
Construct three data dictionary’s that could eliminate data redundancy and would form the basis of a relational database. (Use the following format) Field Name
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