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What is the way a particular application views the data from the database that the application uses?
Sub schema is the way a particular application views the data from the database that the application uses.
what is cascading rollback
What is a records management consultation? Our organization is an authority for disseminating your specific requirements and giving you with a solution to effectively manage yo
Explain data dictonary on oracle ? Data Dictionary - Data dictionaries are the system tables in which contain descriptions of the database objects and how they are structured.
Explain the conventions (relationships) for displaying an ER schema as an ER diagram.
What are the advantages of relational data model? Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer
What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
Describe briefly models which define the operations on classes. The three models which are used to define operations on classes are as: Object Model = data dictionary + Obje
What are the two integrity rules? Ans: The two integrity rules are: Entity Integrity Rule & Referential Integrity Rule. Entity Integrity Rule - If the attribute A of rel
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
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