Notes
Chapter 8: Core Techniques and Principles
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Validation Techniques
Existence checking: Veryfing that the data has been entered
Type Checking: Veryfing that the input data is not incorrect
Range checking: Checking that a entered value is acceptable
Characteristics of data
Accuracy: How accurate is the data
Timely: Is the data time acurate
Reasonable: Is the data used in the right context
Authentic: Is the data source trusted
Correct: Is the data correct
Common File Formats
CSV: Text file where items are sepperated by a comma
XML:
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- Note on Chapter 8: Core Techniques and Principles, created by Joshua Susskind on 21/09/2016.
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- Joshua Susskind · Sep 2016
- Updated
- Oct 10, 2016
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