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Atomicity: It describes a transaction to be a one unit of processing. We can also say either a transaction will be finished completely or not at all. In the transaction example 1 & 2 please note that transaction two is reading and writing more than one data items, the atomicity property needs either operations on both the data item be done or not at all.
how many types of data model in DBMS? explain data abstraction with its different level
Draw entity relationship diagram for the following scenario. A university has many departments whereas each department belongs to that particular uni. That uni has also many bui
how map binary relation one to one
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