HISTORY OF DATABASE MANAGEMENT SYSTEM With the progress in technology in the areas of processors‚ computer memory‚ computer storage and computer networks‚ the sizes‚ capabilities‚ and performance of databases and their respective DBMSs have grown in orders of magnitudes. The development of database technology can be divided into three eras based on data model or structure: navigational‚ SQL/relational‚ and post-relational. The two main early navigational data models were the hierarchical model
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SOFTWARE REQUIREMENTS SPECIFICATION(SRS) FOR AIRLINE DATABASE Table of Contents 1. Introduction 1.1 Purpose 1.2 Document Conventions 1.3 Intended Audience and Reading Suggestions 1.4 Project Scope 1.5 References 2. Overall Description 2.1 Product Perspective 2.2 Product Features 2.3 User Classes and Characteristics 2.4 Operating Environment 2.5 Design and Implementation Constraints 2.6 Assumptions and Dependencies 3. System Features 4. External Interface Requirements 4.1 User Interfaces 4.2 Hardware
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DATABASE TECHNOLOGIES CLASS T.E. ( INFORMATION TECHNOLOGY) HOURS PER LECTURES : 04 WEEK TUTORIALS : -PRACTICALS : 02 HOURS EVALUATION THEORY 3 SYSTEM: PRACTICAL -ORAL -TERM WORK -- SEMESTER VI MARKS 100 -25 25 Objectives of the course: • This course aims to provide continuum to where the first course of databases left off. Design aspects of relational databases are covered. • Complex data models like OO OR parallel and distributed are introduced. • The course provides students a good overview
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ECO FRIENDLY DATABASE Varun Chauhan MBA Student‚ Delhi Institute of Advanced Studies Pranav Kharbanda MBA Student‚ Delhi Institute of Advanced Studies Vindhya Chhabra B.Tech Student‚ Delhi Technical University (IT) Sumit Jain MBA Student‚ Delhi Institute of Advanced Studies ECO FRIENDLY DATABASE ABSTRACT 2. GREEN DATABASE Database should utilize several modern hardware capabilities. The purpose
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1 Introduction Database is any collection of data or information‚ that is specially organized for rapid search and retrieval by a computer. Databases are structured to facilitate the storage‚ retrieval‚ modification‚ and deletion of data in conjunction with various data-processing operations. A database consists of a file or a set of files. The information in these files may be broken down into records‚ each of which consists of one or more fields. Fields are the basic units of data storage
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on data or data items to supply some information about an entity. What is a Database? A database is an integrated and structured collection of stored operational data used (shared) by application systems of an enterprise Examples of Databases • Medical records • Bank accounts • Stock control • Telephone directories • Stock market prices Universe of Discourse A database is a model of some aspect of the reality of an organisation. It is conventional
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Lecture-13 Structured Query Language (SQL) Introduction Commercial database systems use more user friendly language to specify the queries. SQL is the most influential commercially marketed product language. Other commercially used languages are QBE‚ Quel‚ and Datalog. Basic Structure The basic structure of an SQL consists of three clauses: select‚ from and where. select: it corresponds to the projection operation of relational algebra. Used to list the attributes desired in the
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Abstract Oracle Database 11 g is a comprehensive platform database‚ there are many features of the Oracle product that support different kinds of companies worldwide. This writing assignment will present an overview of some Oracle features. More specifically this paper will focus on the main features of oracle database administration‚ like security‚ indexing constraints and views. Basic user security Security refers to activities and measures to ensure the confidentiality‚ integrity
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Date: 20150216 Class: DBM/380 Instructor: In this essay I’m going to be discussing what database systems are and how they are used. I will de speaking on and defining database architecture. I also will be discussing how database systems are used in my everyday life and at my workstation. We will start this off with the answer to “What is a database?”. A database is a compilation of related or like pieces of data. This information or data is gathered and maintained to serve
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www.Vidyarthiplus.com VIDYARTHIPLUS - ANNA UNIVERSITY ONLINE STUDENTS COMMUNITY III SEMESTER - B.E – COMPUTER SCIENCE AND ENGINEERING QUESTION BANK - CS6302 DATABASE MANAGEMENT SYSTEMS UNIT I 1. What are the disadvantages of file processing system? 2. Explain the basic structure of a relational database with an example. 3. What do you mean by weak entity set? 4. Give example for one to one and one to many relationships. 5. What is the need of normalization? 6. Write a note on functional dependencies
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