who is the father of oracle and send chodd rules
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Answer Posted / devaraj a.n
Father of RDBMS is E.F. Codd.
12 Codd's Rules are:
1.Information rule
2.Guarenteed access rule
3.systematic treatment of null values
4.active online catalogue based on the relational model
5.Comprehensive data sublanguage rule
6.view updating rule
7.high level insert, update and delete
8.Physical data independence
9.Logical data independence
10.Integrity independence
11.Distribution independence
12.Non-subversion Rule
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