Following are some rules, which defines the construction of data dictionary
entries:
1. Words should be defined to understand for what they need and not the
variable need by which they may be described in the program .
2. Each word must be unique. We cannot have two definition of the same
client.
3. Aliases or synonyms are allowed when two or more enters shows the same
meaning. For example a vendor number may also be called as customer
number.
4. A self-defining word should not be decomposed. It means that the reduction
of any information in to subpart should be done only if it is really required
that is it is not easy to understand directly.
Data dictionary includes information such as the number of records in file, the
frequency a process will run, security factor like pass word which user must enter
to get excess to the information.
Project Report of Electricity Billing System
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Screenshot of the
Project Electricity Billing
System
Project Report of Electricity Billing System
Page - 44
Project Report of Electricity Billing System
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Project Report of Electricity Billing System
Page - 46
Project Report of Electricity Billing System
Page - 47
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