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Define the Third Normal Form:
The third normal form (3NF) is a normal form employed in database normalization. 3NF was initially defined by E.F. Codd in 1971. Codd's definition defines that a table is in 3NF if and just only if both of the following conditions hold: The relation R (table) is in second normal form (2NF)
Each non-prime attribute of R is non-transitively dependent ( that is directly dependent) on each key of R.
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
Explain the cartesian product in Database Management System
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Waterfall model is the linear model. The process is completed by step by step. We couldn't stop in between of the process. Prototype model: after get the model by low cost budget o
What are the Issues when Selecting a Database Issues when Selecting a Database Storage space requirement: A database requires about triple storage space of the actua
Horizontal Fragmentation- Horizontal fragmentation groups together the tuples in a relation that are collectively used by the main transactions. A horizontal fragment is produced b
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
Describe in brief about DBMS ?
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