Database 0.0 / 5 ? ICTDatabasesA2/A-levelWJEC Created by: EmanMerc98Created on: 13-03-17 12:08 Flat File Flat files contain only one table of data and can be created using spreadsheet software 1 of 7 Relational Database Relational Databases contain two or more tables with links or relationships between them 2 of 7 Data Independance Data Independance is when the data and the database programs used to access it are seperate from each other 3 of 7 Data Consistency Data consistency means the data is always the same in different files 4 of 7 Data Integrity Data integrity is based on the correctness of data e.g. ny new york, either could be correct. 5 of 7 Data Redundancy Data redundancy is to do with making sure data is not repeated unneccessarily 6 of 7 Normalisation Normalisation is a staged process that improves the design at each stage 7 of 7
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