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    Data Management

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    DC10 PART-I DATABASE MANAGEMENT SYSTEMS TYPICAL QUESTIONS & ANSWERS OBJECTIVE TYPE QUESTIONS Each question carries 2 marks. Choose the correct or best alternative in the following: Q.1 In the relational modes‚ cardinality is termed as: (A) Number of tuples. (B) Number of attributes. (C) Number of tables. (D) Number of constraints. Ans: A Q.2 Relational calculus is a (A) Procedural language. (C) Data definition language. Ans: B Q.3 The view of total database content is (A) Conceptual view

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    Google

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    Database Systems Relational Database • Most common form of database • Uses tables consisting of rows (tuples) and columns (attributes) • Most tables contain a primary key that uniquely identifies each row in the table (No duplicates allowed) • Rows in one table may point to rows in another table through the use of a foreign key – it points to a primary key in another table. A table may have multiple foreign keys. • Tables are related to one another by their keys Example • Two tables are shown below

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    Amazon and eBay

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    their database to developers and entrepreneurs? Do you agree with this strategy? Why or why not? Amazon and eBay have opened the database doors to thousands of developers and entrepreneurs since 2002. They realized very quickly the benefits of this‚ which was once thought of as risky experiment. A database is a collection of information organized in such a way that a computer program can quickly select the desired pieces of data. It is therefore seen as an electronic filing system. Databases are categorized

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    of your discussion. This week’s objectives focuses are on technical skill building with databases and its importance to AISs. Emphasis is placed on the basic concepts‚ organizing‚ manipulating‚ managing data‚ and finally the construction of database forms and reports using Microsoft Access. The most enlightening aspect of this week’s discussion topic is the importance of data records to a company. Databases can be one of the most

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    Project

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    PROJECT 21 Book Store Database Library Operations Housing Department Course Timetabling Marble Factory Regional Utilities Decision Rules for Race Horse Wagering Tennis Ranking System Redesigning the MBA curriculum Inventory Management at Blue Bell Selecting an All-Star Team Farm Management The Annual Bolder Boulder Race Supply Chain Design Inventory Routing Problem Billing System at University of North Carolina Pharmaceutical Care System Internet and Exchange Billing Database for Course Timetabling

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    Data Base

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    Unit 5 Research Assignment 1: Compare the Different Relational Database Management Systems In an article written By Suqing Wang‚ eHow Contributor SQL Server Vs. Oracle Data Types   Database While designing and defining tables in databases‚ it is important to find out the data type for each column in the data tables. A data type is an attribute which defines the type of data an object can retain: integer‚ string‚ data and time‚ etc. There are basically three main types: text‚ numbers and date/times

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    CHAPTER10

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    Chapter 10 Databases Section 10.1 An Introduction to Databases 1. A rectangular array of data is called a (A) (B) (C) (D) 2. Each row in a table is also called a(n) (A) (B) (C) (D) 3. record. array. field. selection. A Which one of the following statements is NOT true about tables? (A) (B) (C) (D) 4. field. record. table. database management system. C Each column of a table represents a field. Each row of a table represents a record. Each record in a table contains unrelated collections

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    1 Encryption is method of scrambling data in some manner during transmission. In periods of war‚ the use of encryption becomes paramount so those messages are not intercepted by the opposing forces. There are a number of different ways to protect data during transmission‚ such as Substitution (character for character replacement) in which one unit (usually character) of cipher text (unintelligible text or signals produced through an encryption system) is substituted for a corresponding unit of plain

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    Zohaib

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    Revised Syllabus and Course of Reading for Computer Studies (B.A/B.Sc. Examination) =============================================================== ==== PAPER-A (100 Marks) This paper will consist of Part-I and Part-II Part-I Part-II PAPER-B (100 Marks) This paper will consist of Part-I and Part-II Part-I Part-II 50 Marks 50 Marks 50 Marks 50 Marks =============================================================== ==== Paper A (100 Marks) Part-I: Introduction to Information Technology (50

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    Dbms Lab 1

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    data stored in relational database. SQL is the standard language for Relation Database System. All relational database management systems like MySQL‚ MS Access‚ Oracle‚ Sybase‚ Informix‚ postgres and SQL Server uses SQL as standard database language. Also they are using different dialects‚ Such as: • MS SQL Server using T-SQL‚ • Oracle using PL/SQL‚ • MS Access version of SQL is called JET SQL (native format )etc Why SQL? • Allow users to access data in relational database management systems. • Allow

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