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The relation R is in 1st normal form as a relational DBMS does not allow multi-valued or composite attribute.
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Partial Dependency – If the proper subset of candidate key determines non-prime attribute, it is called partial dependency. , no non-prime attribute (attributes which are not part of any candidate key) is dependent on any proper subset of any candidate key of the table. A relation is in 2NF if it has No Partial Dependency, i.e. To be in second normal form, a relation must be in first normal form and relation must not contain any partial dependency. (For example, 3, 7 and 11 constitute a progression of prime numbers with. In the above table Course is a multi-valued attribute so it is not in 1NF.īelow Table is in 1NF as there is no multi-valued attribute Terence Chi-Shen Tao FAA FRS (born 17 July 1975) is an Australian-American mathematician. Its decomposition into 1NF has been shown in table 2.
#Thomas calculus 11th edition with e manual