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What is Cardinality Ratio?
Cardinality Ratios - The cardinality ratios for relationship kinds specifies the maximum number of relationship instances in which an entity can participate in. The possible cardinality ratios for relationship categories are one-to-one (1:1), one-to-many or many-to-one (1:M or M:1), and many-to-many (M:N).
NEED ER DIAGRAM WITH MINIMUM ENTITY AND RELATIONSHIP of Hospital Management System
we need example of 2phase locking
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What is a trigger
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a set of possible data value of an attribute is called??
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
A student entity type has the following attributes,name..
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