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What is serializability? Explain its types?
The data base system must control concurrent implementation of transactions, to ensure that the data base state remains consistent. There are dissimilar forms of schedule equivalence they lead to the notions of
a) Conflict serializability
B) View serializability
Conflict serializability
We say that ii and I j conflict if they are operations by dissimilar transaction on the similar data item and at least one of these instruction is a write operations
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
I need some help with my normalization database homework.
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With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..
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Write short notes on domain relational calculus The domain relational calculus uses domain variables that take on values from an attribute domain rather than values for whole
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
(A) For the relation; CarSales (RegNo, BuyerName, Address, SalesPerson, Make, Model, Commission) The following functional dependences hold, RegNo _ID à Make, Model Reg
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