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First normal form (1NF) | Oracle SQL fundamentals

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Dec 25, 2018
6:45

A #database is in first normal form if it satisfies the following conditions: Contains only atomic values There are no repeating groups An atomic value is a value that cannot be divided. For example, in the table shown below, the values in the [Color] column in the first row can be divided into ""red"" and ""green"", hence [TABLE_PRODUCT] is not in #1NF. Database #Normalization is a technique of organizing the #data in the database. Normalization is a systematic approach of decomposing tables to eliminate data redundancy(repetition) and undesirable characteristics like Insertion, #Update and Deletion Anomalies. It is a multi-step process that puts data into tabular form, removing duplicated data from the relation tables. 00:00 What is 1NF? 02:35 Normalize data into 1NF 06:28 What is Normalization? Website: https://www.dbagenesis.com/ Facebook: https://www.facebook.com/dbagenesis/ Instagram: https://www.instagram.com/dbagenesis/ Twitter: https://twitter.com/DbaGenesis

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First normal form (1NF) | Oracle SQL fundamentals | NatokHD