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What is inheritance? Define it in detail? Inheritance Inheritance can be at the levels of types, or at the level of tables we first consider inheritance of types, then i
Question 1 What is data mining? Write Data Mining applications Question 2 What is OLAP? Write the benefits of OLAP Question 3 What is Business Intelligence? Explai
Describe the storage structure of indexed sequential files and their access method. Ans: Index offers a lookup capability to rapidly reach the vicinity of the desired record.
Evaluate: a.When transactions T1 and T2 are in a deadlock, one of the transactions will eventually implement to completion and let the other one continue implementation. b.
Example: Consider the following relations: ROLLNO NAME ADDRESS COURSE_ID 100 Ka
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
What is meant by heuristic optimisation?Discuss the major heuristics that are applied during query optimisation.
With the help of an example display how records can be deleted and updated in QBE. (i) Increase Pay_Rate of employees along with the skill of ‘cook' by 10%. (ii) Delete employee
find the name of supplier who supply some red part
What are the advantages of creating a table from existing table?
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