Flat File Database - IPTNow

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organise data using data structures called files, records, fields and characters. ... A Flat file database management sy
Information Processes and Technology

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

Solutions: _________________________________________ _________________________________________ _________________________________________

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

Type

Length

Description/Example

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