Designing the fields in the data basethe following are the, Ask an Expert

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Designing the fields in the data base

The following are the considerations one has to remain in mind while designing the fields in the data base.

Coding, compression, encryption
Choosing data type
Controlling data integrity
Default value

- Range control

- Null value control

- Referential integrity

Handling missing data

- Trigger a report listing missing values

- Substitute an estimate of the missing value

- In programs, ignore missing data unless the value is significant.

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DBMS, Programming

Category:- DBMS
Reference No.:- M9526716

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