Latest Answer: Entity-Relationship diagram ...
Latest Answer: Yes. It is true that all the database should be in the third normal form. Hope, Third Normal Form is sufficient to tune the database and make it perfect. 4th Normal Form onwards it is not at all required to normalize. After third Normal Form, IF there ...
Latest Answer: 3NF allows transitive dependency ...
Latest Answer: We have used a different way of maintaning recursive relationship. We have created a ancestry table which will give the childs for each entry upto n th level. This way you can fire queries directly to get the child upto any specific level. ...
Latest Answer: It is a system-assigned number that is unique for each row of data in a table. It is used by database administrators to allocate rows of evenly and efficiently on data storage / servers. ...
Latest Answer: Second normal form (2NF) addresses the concept of removing duplicative dataMeet all the requirements of the first normal form. Remove subsets of data that apply to multiple rows of a table and place them in separate tables. Create relationships between ...
Latest Answer: First Normal Form sets the basic structure for an organized database by 1. Eliminating the duplicate/repetative columns from the same table.2. Create a seperate table for each set of related data and identify each set of related data (row) with ...
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