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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
Objectives After Reading this part, you should be able to: Explain the term CONCURRENCY; Describe the term transaction and concurrent transactions; Talk about co
Table Handling In RDBMS more than one table can be tackled at a time by using join operation. Join operation is a relational operation that causes 2 tables with a common domai
Define Partial Key and Primary Key A partial key, also known as discriminator, is the set of attributes which can uniquely identify weak entities that are related to similar o
Primary index A primary index is a file that has a sorted series of records having two columns: a block address for that key field in the data file; and the ordering key field.
(a) Why did SAP introduce the extended star schema?
Question: A DBMS built for Online Transaction Processing (OLTP) is generally regarded as unsuitable for data warehousing. Each system is designed with a different set of requir
Databases and data warehouses both are databases and both contains number of rows and columns of tables containing data. Data warehouse is really different from databases because d
What is an ER diagram? Why is it used in Database management system (DBMS)?
Why were functional methods fashionable in early days? These are inspired directly by computer architecture and thus popular among computer scientist in early days. The divisio
Which is a legal expression in SQL? SELECT NAME FROM EMPLOYEE is a legal expression in SQL.
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