Friday, 9 December 2016

Dr Edgar F. Codd rules of 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
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Labels: SQL SERVER, SSIS, SSAS, SSRS

3 comments:

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