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1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
Selective replication: This is a combination of generating small fragments of relation and replicating them rather than a entire relation. The data should be fragmented on require
please describe the data base management with the easy example &give the application?
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
I want an iPad app that is a simple 1 page form to complete with text. The Objective is to allow a few dozen people of the same organization (they're all on iPad) to open the app,
Explain data independence ? Data independence is the capacity to modify the schema at one stage of a database system without having to change the schema at the further level.
how to find entities
What are three components of the schema architecture proposed by ANSI/SPARC? The three component schema architecture proposed by ANSI/SPARC is as given below: External sche
Explain what is Aggregation? Aggregation: Aggregation is an significant concept in database design whereas composite objects could be modelled during the design of database a
Explain the main advantages of DBMS over File Oriented System ?
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