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What are the two approaches to store relations in distributed database?
a) Replication
b) Fragmentation
A Structure of a dependency diagram
Express the properties of Strings? Strings can be case sensitive (or not) which can change the outcome of string operations. You can evaluate whole strings \ just part
Strict 2PL :Though, this basic 2PL suffers from the trouble that it can result into loss of isolation / atomic property of transaction as theoretically speaking once a lock is rele
what is data link layer
tell me the functionality,advantages and disadvantages of student database
List the Armstrong's axioms for functional dependencies. What do you understand by soundness and completeness of these axioms? Ans: The Armstrong's axioms are: F1:
In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
Clustering Indexes It may be an excellent idea to keep data of the students in the order of the programme they have registered as most of the data file accesses may need studen
What benefits can a company gain by managing its own information infrastructure and servicea
i need help for assignment ..
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