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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).
Which method is used to key transformation ? A hash method is used to key transformation.
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Change the city of First Bank Corporation to ‘New Delhi' UPDATE COMPANY SET CITY = ‘New Delhi' WHERE COMPANY_NAME = ‘First Bank Corporation';
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