Thursday, February 21, 2019
Monday, February 11, 2019
Database Normalization - 1NF, 2NF, 3NF and 4NF
1st Normal Form
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Each Cell to be Single Valued
Entries in a column are same type
Rows uniquely identified - Add unique id
2nd Normal Form
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All attributes (non-key columns) depened on the key
3rd Normal Form
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All Fields(Column) can be determind only by the key in the table and no other column
4th Normal Form
---------------
No Multi-Valued Dependencies
Sunday, February 10, 2019
Wednesday, February 6, 2019
Monday, February 4, 2019
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