Creating‚ dropping‚ and altering tables in SQLite In this part of the SQLite tutorial‚ we will cover the data definition language (DDL) of the SQLite database. The DDL consists of SQL statements that define the database schema. The schema is the database structure described in a formal language. In relational databases‚ the schema defines the tables‚ views‚ indexes‚ relationships‚ or triggers. The SQLite supports the following three DDL statements: CREATE ALTER TABLE DROP In SQLite‚ the CREATE statement
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AN INTRODUCTION TO IGNEOUS AND METAMORPHIC PETROLOGY OHN D. WINTER An Introduction to Igneous and Metamorphic Petrology An Introduction to Igneous and Metamorphic Petrology John D. Winter Department of Geology Whitman College EB00062387 Prentice Hall Prentice Hall Upper Saddle River‚ New Jersey 07458 Library of Congress Cataloging-in-Publication Data Winter‚ John D. (John DuNann) An introduction to igneous and metamorphic petrology/by John D. Winter. p. cm. Includes
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College of Business Hospitality & Tourism Studies Department of Computer Science & Information System CIN623 Database Design & Programming Final Examination Trimester 1 – 2011 Date: Duration:3 hours plus 10 minutes INSTRUCTION TO STUDENTS 1. You are allowed ten minutes extra reading time during which you are not to write 2. Write all answers to each question in the Answer Booklet. 3. Write your Student ID number at the top of each attached sheet. 4. Insert all written foolscaps in their correct sequence
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3 Section-B(PL/SQL) 16. Write a Pl/Sql program to raise the employee salary by 30%‚ who have completed their 40 years of service. declare cursor c3 is select * from emp where extract(year from sysdate)-extract(year from hiredate)>40 for update; e emp%rowtype; begin open c3; loop fetch c3 into e; exit when c3%notfound; update emp set sal=e.sal+(30/100)*e.sal where current of c3; end loop; close c3; end; / 17. Write a Pl/Sql program to check the given number is Armstrong ‘or’ not. declare n number(3);
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Database Concepts‚ 4e (Kroenke) Chapter 1 Getting Started 1) The purpose of a database is to help people keep track of things. Answer: TRUE Diff: 1 Page Ref: 4 2) A possible problem with keeping data in lists is that if you delete a row of data from a list you may also delete some data items that you want to keep. Answer: TRUE Diff: 1 Page Ref: 4 3) An advantage of keeping data in lists is that if you update a data value in one row of data in a list‚ other occurrences
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John G. – 201110399 Advance Database Management System – Homework One of the first things I always do after installing Visual Studio is to install SQL Server Management Studio (SSMS). Visual Studio 2010 installs SQL Server 2008 Express on your machine but doesn’t include SSMS. Okay the first thing you need is to make sure you get the right version of SSMS. If you installed Visual Studio 2010 then you will need the 2008 version (not R2). STEP 1: Download Microsoft® SQL Server® 2008 Management Studio
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Software Requirements Specification Version 1.1 August 29‚ 2003 Web Accessible Alumni Database Michael J. Reaves Submitted in partial fulfillment Of the requirements of Masters Studio Project Table of Contents Table of Contents ii Table of Figures iii 1.0. Purpose 1 1.1. Introduction 1 1.2. Scope 1 1.3. Glossary 1 1.4. References 2 1.5. Document overview 2 2.0. Overall description 4 2.1. System environment 4 2.2. Functional requirements definitions
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| |Software Requirements Specification | For A-Flex Automated Library Management System Version 1.2 Prepared by A-FLEX Group |Jude Marlon B. Alegro |111694 |judemarlonalegroport@yahoo.com | |Arnel G. Abagua |082198 |arnelgabaneabagua@yahoo.com
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An online database a collection of organized data that can be accessed from various networks‚ like the internet. Usually‚ databases are used for things like booking a seat or a room in planes or hotels‚ or even online shopping. In this report‚ I have chosen to discuss two databases that are quite different‚ and investigate on the benefits and detriments of the storage of data in online information systems. The two databases I have chosen to discuss are YouTube and Amazon. These databases are some
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CHAPTER 4 RELATIONAL DATABASES SUGGESTED ANSWERS TO DISCUSSION QUESTIONS 4.1 Contrast the logical and the physical view of data and discuss why separate views are necessary in database applications. Describe which perspective is most useful for each of the following employees: a programmer‚ a manager‚ and an internal auditor. How will understanding logical data structures assist you when designing and using database systems?</para></question><question
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