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real life situations where database management system are most suitable
Evaluate: a.When transactions T1 and T2 are in a deadlock, one of the transactions will eventually implement to completion and let the other one continue implementation. b.
losers with new information systems
How many types of users works on database? Users are differentiated through the way they expect to interact along with the system (i) Application programmers-interact with
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
UNION If R1 and R2 are two union compatible relations then R3 = R1 ∪ R2 is the relation having tuples that are either in R1 or in R2 or in both. In case, R3 will have tuples
in case of functional dependencies how we get the higher normal form.
Boyce-Codd Normal Form (BCNF) The relation NEWSTUDENT (Enrolmentno, Sno, Sname, Cname, Cno,) has every attributes participating in candidate keys as all the attributes are assu
Describe the two alternatives for specifying structural constraints on relationship kinds? Relationship kinds have certain constraints in which limit the possible combination o
explain the level architectures of the database management system
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