MODERN DATABASE MANAGEMENT - Database o An organized collection of logically related data. o May be any size and complexity. - Data o A stored representation of objects and events that have meaning and importance in the user’s environment. o Become useful when placed in some sort of context. o Structured • Facts such as the customer name‚ address‚ and telephone number. • The most important structured data types are numeric‚ character‚ and dates. • Stored in tabular form • Found
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2 9. Which of the following is not a valid SELECT statement? a. SELECT cost-retail FROM books; b. SELECT retail+cost FROM books; c. SELECT retail * retail * retail FROM books; d. SELECT retail^3 from books; Week 3 3. Which of the following SQL statements is valid? a. SELECT order# FROM orders WHERE shipdate = NULL; b. SELECT order# FROM orders WHERE shipdate = ’NULL’; c. SELECT order# FROM orders WHERE shipdate = "NULL"; d. None of the statements are valid. 9. Which of the following
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to real-time database management systems to be used in such control-systems. By integrating a real-time database management system into a vehicle control-system‚ data management on a higher level of abstraction can be achieved. Current database management concepts are not sufficient for use in vehicles‚ and new concepts are necessary. A case-study at Volvo Construction Equipment Components AB in Eskilstuna‚ Sweden presented in this thesis‚ together with a survey of existing database platforms confirms
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Top of Form Submitted by Robinson‚Latesha on 4/4/2014 11:50:07 PM Points Awarded 90.00 Points Missed 0.00 Percentage 100% 1. Create a view named PLUME. It consists of the book code‚ title‚ type‚ and price for every book published by the publisher whose code is PL a. Write and execute the CREATE VIEW command to create the PLUME view. b. Write an execute the command using the PLUME view to retrieve the book code‚ title‚ and price for every book with a price of less than $13. c. Write
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prescribed book Chapters 1 - 3: Chapter 5: Chapter 6: Chapter 7: Chapter 12: Chapter 14: Chapter 16: Revise as for Assignment 01 Entity relationship modelling Advanced data modelling Normalisation of database tables Transaction management and concurrency control Distributed database management systems Database connectivity and web development Question 1 What is a composite entity‚ and when is it used? [4 marks] [8 marks] Question 2 Briefly‚ but precisely‚ explain the difference between single-valued
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STELLA MARIS COLLEGE - DEPARTMENT OF COMPUTER SCIENCE DB34 - Database Management Systems UNIT I : Advantages and Components of a Database Management Systems - Feasibility Study - Class Diagrams - Data Types –Architecture- Events - Normal Forms - Integrity – EER model - Converting Class Diagrams to Normalized Tables - Data Dictionary. UNIT II : Query Basics - Computation Using Queries - Subtotals and GROUP BY Command - Queries with Multiple Tables - Subqueries - Joins - DDL & DML - Testing
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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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Database Processing‚ 13e (Kroenke/Auer) Chapter 9: Managing Multiuser Databases 1) Database administration tasks have to be performed for single-user‚ personal databases. Answer: TRUE Diff: 3 Page Ref: 396 2) Database administration is more important but less difficult in multiuser database systems than in single-user database systems. Answer: FALSE Diff: 2 Page Ref: 396 3) In general‚ the overall responsibility of the DBA is to facilitate the development and use of the database system
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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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VALLIAMMAI ENGINEERING COLLEGE 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. 7. Who is a DBA? What are the responsibilities
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