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What is the meaning of Data independence? Data independence means a programs that are not dependent on the physical attributes of data and a programs that are not dependent on
what benefit can a company gain by managing its own infrasture and services
What are the physical characteristics of magnetic disks? Ans: A magnetic disk is a circular plate or platter of plastic or metal that is coated with magnetizable material lik
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
Explain the components of Database System in details.
What is Trigger? Trigger: A database trigger is procedural code which is automatically executed in response to specific events on a particular table in a database. Triggers can
Cardinality shows the number of instances of an entity associated with another entity participating in a relationship. Depend on the cardinality binary relationship can be further
please describe the data base management with the easy example &give the application?
MOSS VALE is a town with 15000 inhabitants. The fire department wishes to develop a system that automates the despatch of fire engines to attend fires. The ERD below describes the
Difference between Operating System and Database Security Security within the operating system can be executed at various levels ranging from passwords for access to system, t
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