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What it creates while a primary key is combined with a foreign key?
It creates Parent-Child relation ship between the tables that connect them while a primary key is combined with a foreign key.
Example: RELATIONAL SCHEMA for PERSON: PERSON (PERSON_ID: integer, NAME: string, AGE: integer, ADDRESS: String) RELATION INSTANCE In this instance, m = 3 and n = 4
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
Concurrency Identification While designing analysis, model we map real world model into our analytical model. Real life objects are simultaneous in nature, but all the design
What are the advantages of relational data model? Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer
what is check point in database management system
What is meant by mean time to failure? The mean time to failure is the amount of time that the system could run continuously without failure.
coventions for displaying an ER schema as ER diagram
Critically evaluate the bulleted list of information-related items in this case study. How are each contradictory to the notion of being an information-literate knowledge worker?
What is an entity relationship model? The entity relationship model is a set of basic objects known as entities and relationship between those objects. An entity is a thing or
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
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