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The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
Can you scan double-sided documents - and remove blank pages? Our software and imaging systems supports duplex scanning, at the same time scanning both sides of a page. Program
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:
Example -GRANT CREATE SESSION TO MCA12; (This command gives system level permission on creating a session - not portable) GRANT SELECT ON EMP TO MCA12; (Object level permi
Explain Candidate key? Candidate Key - A candidate key is a minimal superkey, that can be used to uniquely identify a tuple in the relation.
what is definition hierarchical data model
Haw does it work one database application
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
Equi Join: A join in which the joining condition is based on equality among values in the common columns. Common columns show (redundantly) in the result table. Let us Consider th
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
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