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Where does view definition stored?
A view definition is permanently stored as part of the database.
what is lossless & dependency preserving decomposition ?
Explain the paths in the association network We can analyze use of paths in the association network as given below: Calculate each operation Find associations whic
Information about a bank is about customers and their account. Customer has a name, address that consists of house number, area and city, and one or more phone numbers. Account ha
to develop elrctronic database from manual forms
What does Aggregation mean?
Discuss the types of integrity constraints in which must be checked for the update operations - Insert and Delete. Give examples. Insert operation can violet any of the subse
What are composite attributes? Composite attributes can be separated in to sub parts.
What are the advantages and disadvantages of using a database system. Sol. Advantages of Database System (DBMS) : (1) Data Redundancy and Inconsistency: Since differen
10A.53 Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department. 10A.54 Code an Oracle Database trigger to allow the
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
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