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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).
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
Explain the challenges before an E-business management.
Table_Name( attribute_1, attribute_2, attribute_3, ….. ,attribute_x) Primary Key ( attribute_1, attribute_2) Foreign Key attribute_4 References Table_Name_2 (repeat for each fore
Determine the language that needs a user to specify the data to be retrieved with no specifying exactly how to get it is Ans: Non-Procedural DML
Illustrate about the advanced object design Advanced object design is a complex task. The objects discovered through analysis serve as a skeleton of design. The operations reco
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
prototype of a distributed information system for a national car part retail outlet chain.
explain five responsibilities of DBA?
I need web security expert , website management Project Description: i want professional for the below . website management server management database management
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