who is the father of oracle and send chodd rules
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
| Is This Answer Correct ? | 7 Yes | 3 No |
Post New Answer View All Answers
What do you mean by a database transaction & what all tcl statements are available in oracle?
What is raw datatype in oracle?
How to retrieve the count of updated rows?
Hi Can any one tell me what are the API's used in requisition import.
How to convert a string to a date in oracle database?
What are the major difference between truncate and delete?
What is a tns service name?
What is an Oracle Instance?
How to display employee records who gets more salary than the average salary in the department?
What happens if variable names collide with table/column names?
How to drop an existing view in oracle?
11. Display the client number and name and the client number and name of the person who referred that client.
State all possible different index configurations a table can possibly have?
What is a static data dictionary in oracle?
How will you differentiate between varchar & varchar2?