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Question 1
Draw a Data Flow Diagram for a University scenario
Question 2
Discuss the following with suitable examples
Question 3
Discuss the following
Question 4
Explain the process of creating databases in SQL Server 2005 with suitable examples
Question 5
Write a query to create a table called "Persons" that contains five columns: P_Id, LastName, FirstName, Address, and City
Question 6
Given the following table STOCK. Write a query to find the rows in table STOCK
Table
STOCK---------+-------------------------+--------------------+| RIC | COMPANY | LISTED_ON_EXCHANGE |+---------+-------------------------+--------------------+| 6758.T | Sony | T || GOOG.O | Google Inc | O || GS.N | Goldman Sachs Group Inc | N || INFY.BO | InfoSys | BO || VOD.L | Vodafone Group PLC | L |+---------+-------------------------+--------------------+Query with correct logic
For every multivalued attribute 'A', we make a new relation R that contains an attribute corresponding to plus the primary key attribute k of the relation that shows the entity typ
Describe DROP TABLE command of SQL along with both the options - CASCADE and RESTRICT. DROP TABLE command - This command drops the specified table. Dropping a table also dro
What is recursive closure? Why is it not possible to describe this operation in relational algebra? Recursive closure is applied to recursive relationship. An instance of rec
What are metrics for choosing the best algorithm? Matrices for choosing the best algorithms are as below: Computational complexity Ease of understand ability and im
Consider a bank that has a collection of sites, each running a database system. Suppose the only way the databases interact is by electronic transfer of money between one another,
Three Level Architecture of DBMS or Logical DBMS Architecture The logical architecture defines how data in the database is perceived by users. It is not deals with how the da
What is the max. no. Of structures that can be included in a table or structure. Nine.
How can we Classify the operations on classes This step fundamentally means all three models functional, object and dynamic (studied in last section) must be combined so that
Create Student DB and execute Insert query? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course
What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
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