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Question 1 Discuss the classification of DBMS based on location of database
Question 2 Explain with examples different SQL commands used for creating and deleting relations. Write a short note on ACID properties of transaction model
Question 3 Define functional dependency. Give examples. Also describe 1st, 2nd and 3rd normal Forms
Question 4 Explain the various heuristics involved in query optimization. Also describe the various algorithms for executing query operations
Question 5 Describe the most important classes of parallel machines
Question 6 How is two phase locking method used to ensure serializability? Illustrate
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
What is Data dictionary? A data dictionary is a reserved space in a database that is employed to store information about the database itself. A data dictionary may consist o
what is check point in database management system
In the ER diagram, one example of subclassing is depicted following the Services entity. The subclasses Item Based and Time Based are created. The entity Services gains the attribu
Problem 1 Why are the operational system keys not recommended for forming data warehouse primary keys? Give any two examples 2 Explain the following performance tuning techn
Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
Create an index for the table Client, field CLIENT_NO of Q ? Command: CREATE INDEX client_client_no ON client(client_no);
One-to-one relationship: For every 1:1 relationship type R in the ER diagram including two entities E1 and E2 we take one of entities (say E1) preferably with total participatio
Explanation on Data Sharing?
What is a view in SQL? When can views be updated? A view is a virtual table which consists of columns from one or more tables. Through it is same to a table; it is stored in
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