Third Normal Form | Database Management System | 3NF BCNF Example | Normalization in DBMS Tutorial HD

29.10.2015
Normalization in DBMS, Tutorial, Database, Normalization, 1NF, 2NF, 3NF, BCNF DBMS, Example, Hindi, Database Normal Forms, Third normal form is a normal form used in normalizing a database design to reduce the duplication of data and ensure referential integrity by ensuring that the entity is in second normal form and all the attributes in a table are determined only by the candidate keys of that table and not by any non-prime attributes. a table is in 3NF if and only if both of the following conditions hold: The relation R (table) is in second normal form (2NF) Every non-prime attribute of R is non-transitively dependent on every superkey of R.third normal form through this quick animated video using simple terminology and examples, Normalization - 1NF, 2NF, 3NF and 4NF,Primary Key, SQL - Structured Query Language, NORMALIZATION - Organizing , Splitting Information to remove redundancy AND increase Consistency, JOIN - Combining Information from different tables, REDUNDANCY - Unnecessary data , Duplication, CONSISTENCY - Irrespective of how you access data you get same result, TRANSITIVITY - Derivation from multiple pieces of information). In normalization you split information in tables, To get the split information you need to use JOINS

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