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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
Demonstrate your knowledge of PL/SQL programming by writing and thoroughly testing triggers and stored procedures associated with an e-commerce application that provides security l
What are the object-oriented approaches Software systems which are designed with structured design methodology never support some of desired quality attributes for example reus
Write short notes on Schema diagram. A database schema along with primary key and foreign key dependencies can be depicted pictorially by schema diagram. Every relation appea
Special comparison operator used in where Clause a. between. ...and...It gives range among two values (inclusive) Example: SELECT ENAME, SAL FROM EMP WHERE SAL BETWE
What are the purpose for having variable length records? What kinds of separator characters are required for each? Variable-Length Records - Variable-length records are thos
Suppose that in an organisation, an employee may do different roles in dissimilar projects. Say, RAM is doing coding in one project and doing designing in another. Suppose that the
note on hashing technique
What are shortcomings in structured approach? Structured methodology treats data and their behaviours separately, and this makes it harder to isolate changes. If changes are re
what is physical data structure
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
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