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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.
Can we delete data element, which is being used by table fields. No we cant delete data element.
Given the subsequent relations: vehicle (reg_no, make, colour) Person (eno, name, address) Owner (eno, reg_no) Write expressions
For Colorado customers calculate the number of single products ordered. If a product is purchased on multiple orders, it should be counted only single time. The result should conta
Explain Candidate key? Candidate Key - A candidate key is a minimal superkey, that can be used to uniquely identify a tuple in the relation.
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
1. Which relational algebra operations do not need the participating tables to be union-compatible? Ans: Join is the relational algebra operations that do not need the particip
random file sharing
Desirable Properties Of Decomposition Decomposition is a process of dividing a relation into its projections that will not be disjoint. Please remind the Relational projection
What is Management System? A management system is a set of rules and process which help us to create organize and manipulate the database. It also helps us to add, change delet
Explain view in RDBMS? View - A view is a relation (virtual rather than base) and could be used in query expressions, which is, queries can be written by using the view as a re
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