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Un-Normalized Form (UNF)
If a table having non-atomic values at every row, it is said to be in UNF. An atomic value is something that cannot be further decomposed. A non-atomic value, as the name suggests, can be further decomposed and simplified.
What is DataWarehousing? Subject-oriented, meaning that the data in the database is organized so that all the data elements relating to the similar real-world event or object
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
Which types of data supported by MySQL for Time and Date formats? MySQL supports a number of time and date column formats: Some of them are 1) DATE 2) DATETIME 3) TIM
What are the storage types? The storage types are: a) Volatile storage b) Nonvolatile storage
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
why are older data base model are being replaced by new data model
what benefit can a company gain by managing its own infrasture and services
Benefits of Sequential File Organisation It is quick and efficient when dealing with huge volumes of data that require being processed periodically (batch system). Dra
What is Foreign Key Foreign Key: Sometimes we may have to work with an attribute that does not have a primary key of its own. To recognize its rows, we have to use the primar
While sorting field groups we cannot use more than one key field False.
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