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IBM Rational Developer for Power Systems (WDSC/RDP/RDi) (cont.)

 

The Problem with Modernization

 

DB2 Relational Database - Physical Data Store

 

Codd's 12 Rules (RDBMS)

Rule 1: Information Rule

Rule 2: Guaranteed Access Rule

Rule 3: Systematic Treatment of

*NULL Values

Rule 4: Active Online Catalog

Rule 5: Comprehensive Data

Sub-Language Rule

Rule 6: View Updating Rule

Rule 7: High-Level Insert, Update

and Delete Rule

Rule 8: Physical Data Independence

Rule 9: Logical Data Independence

Rule 10: Integrity Independence

Rule 11: Distribution Independence

Rule 12: Non-Subversion Rule

Q and A

 

Normalizing Data: Theory

First Normal Form (1NF)

 

End

 

 

RDi, Relational Database Theory and Normalization

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