Lab 10 Course Project Purpose In this final lab‚ you will apply the knowledge acquired from Units 4-9 of this course to completing a project‚ which will require the following skills: Creating tables Creating a composite key Adding columns to an existing table Creating a stored procedure to guard against a SQL injection attack Granting permissions Applying the concept of clustered indexes Creating a non-clustered index Creating a trigger Executing queries to meet requirements Project Scenario The
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PT2520 Unit 1: Database Concepts Who Needs a Database? Copyright © 2012 Pearson Education‚ Inc. Publishing as Prentice Hall Chapter 1.1 Database Overview • A database is a set of related data. • An old-style library catalog‚ a Rolodex or an address book are all databases. • Usually we use the term “database” to refer to electronic databases. Copyright © 2012 Pearson Education‚ Inc. Publishing as Prentice Hall Chapter 1.2 Flat File Databases • The simplest electronic database structures are
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PT2520 SQL COMMANDS FOR FUN…….. VL#8 TOPIC: FUNCTIONAL COMMANDS IN SQL 2008 NAME: Darius Murdock DATE: November 6‚ 2014 VL#8: SECURITY IN SQL AND ROLES IN SQL SERVER 1. How do you create Query in SQL? COMMAND OR GUI? SQL: COMMAND: SELECT ASTRICTS (*) FROM TableName GUI: Right Click New Database 2. Define statement in SQL will give you output with records starting with T. 3. Define INNER JOIN AND WRITE DOWN One example: 4. What is EQI Join? 5. What is the structure or command used
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Answers to review questions: 1. Define each of the following terms: a. Data: Raw information that has not been processed b. Field: A place where data is entered. c. Record: A collection of the related information. d. File: A collection of the related records. 2. What is data redundancy‚ and which characteristics of the file system can lead to it? Data redundancy in a database occurs when same data is stored in different tables unnecessarily. A modification to a single piece of data requires change
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Mekao Tramil November 11‚ 2014 PT2520 Unit 9 Labs Lab 9.1 1. Both SQL server and windows authentication mode is enabled. Lab 9.2 13. What is a natural key? What are the advantages and disadvantages of using natural keys? 14. What are access and security requirements? 15. What is one to one relationship? 16. What are many to many relationships? 17. What are linking entities? 18. What are domain entities? 19. What are weak entities? 20. What is normalization? 21. What is first
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Let’s get the definition out the way‚ the standard meaning if you will SQL or “sequel” to some is a special-purpose programming language designed for managing data held in a relational database management system (RDBMS). Now that we got that out the way‚ let’s get to the first question. 1. How many revisions of the standard have there been? According to every site I look at SQL have had 3 major revisions and several minor ones‚ here as followed: SQ1‚ SQ2‚ and SQ3. SQ1 was founded in 1986 (when
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Homework Unit2 Date: 22 July 2013 True/False Questions for Unit 2 Please Type the entire word in the blank‚ save‚ email. 1. TRUE A requirement is something a database needs to do in order to fulfill its purpose. 2. FALSE You only need to include the most important stakeholders in the database discussions. 3. TRUE Forms are used for gathering input. 4. TRUE A transaction database is optimized to track transactions in real time. 5. TRUE Data mining uses business intelligence
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6. Assessment The purposes of this assignment are • To develop an understanding and appreciation of your own attitudes‚ values and beliefs and the way these might change • To develop an understanding of the link between your professional judgement and the concepts that it is built upon • To help develop your academic judgement and show the extent to which it is linked to professional judgement Assessment activity Length required Weighting within unit The assignment requires the student
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In this presentation‚ the author has explained different metrics and there attributed used to measure software. A person can only measure and represent it in number when he knows something about it. On the other hand‚ if has no idea about it then he doesn’t have any idea about it [1]. There are two types of software complexity metrics. One gives the efficiency of the machine while running the software which is called as computational complexity. Another one is giving us the factors which affect the
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Unit 2 Homework Questions Alvaro Ojeda PT 2520 Instructor Mrs. Hubbard 1. What is a database requirement? * The requirements for a logical and physical database vary by size and design parameters. A logical database must be able to access and identify all files within the storage system to operate correctly‚ whereas a physical database manages a much smaller field of information. Sometimes‚ a physical database stores only a single file with one value or word in it. 2. What
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