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What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
Which method of access uses key transformation? A Hash method of access uses key transformation.
Draw an ER diagram for company''s database schema
What is an object ID? Each class-derived table has an ID for primary key, one or more object IDs form primary key for association derived tables. An object ID is equivalent dat
In the architecture of a database system which external level used? In the architecture of a database system view external level used.
Find out the names and company names of all employees sorted in ascending order of company name and descending order of employee names of by which company. SELECT EMPLOYEE_NAME,
Explain the main advantages of DBMS over File Oriented System ?
One-to-many : An entity in A is related with any number of entities in B. An entity in B is related with at the most one entity in A. Example: Relationship between faculty and d
Drawbacks of Data Distribution: The primary drawbacks of distributed database systems are the added complexity needed to ensure proper coordination between the sites. This increas
Normalize the following table upto and including the 3NF. Submit a 1 page printout of only the final set of normalized tables in Data Architect. Just use Data Architect to do the t
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