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Oracle & Distributed Databases
1. Differentiate between PL/SQL functions and procedures.
2. Draw the diagram of logical structure of oracle database and explain it in brief.
3. Discuss the objectives of Query Processing.
4. Explain the steps involved in recovery of distributed transactions.
5. Create a PL/SQL program to insert data into student table and display the details of the student having Reg.No 1010.
6. Create a PL/SQL program to generate first 10 natural numbers using loop, while and for.
What is difference between TRUNCATE and DELETE? - Truncate can't be rolled back whereas Delete can be. - Truncate keeps the lock on table whereas Delete keeps the lock on ea
explain cascading rollback
Define the categories of SQL Statements? 1) Statements that don't return a result set. This statement class includes INSERT, DELETE, and UPDATE. 2)Statements that return
MySQL statements for extending the database to incorporate new facilities Deliverables for submission You must submit the following deliverables in the Assignment Dropbox in
Explain trivial dependency? Functional dependency of the form α ->β. is trivial if α C β. Trivial functional dependencies are satisfied by all the relations.
Deletion Anomalies: Loss of important Information: In some cases, useful information may be lost when a tuple is deleted. For instance, if we delete the tuple corresponding to stu
Explain ER Relationship model? An entity-relationship model (ERM): An entity-relationship model (ERM) is an abstract theoretical illustration of structured data. Entity-relatio
What are the reasons for having variable length records? What are the various ways to store variable length records? Variable-length records arise in a database in various wa
Index And Tree Structure Let us talk about the data structure that is used for creating indexes. Can we use Binary Search Tree (BST) as Indexes? Let us initial reconsider
Question 1 What are the advantages of DBMS approach in managing data? Question 2 What are the services provided by a database system Question 3 List and briefly describe
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