Modeling Theory

Page 8 of 50 - About 500 Essays
  • Premium Essay

    Pt2520 Final Review

    Antonio Lemus watch Ideocracy Week 10 -Where is null.. -‘M%’ starts with M -‘%O’ ends in O -Order by A-Z - ASC Z-A – DESC -Brackets indicate inside is the same thing (first name) = firstname -*(Star) - give me everything from -‘’ (singlequote) - forces whatever is in between to be a string -SQL server authentication– -Windows server authentication– trusts -ETL – Extract Transform Load -Like – equivalent to equal sign -Distinct unique rows -Data Definitional language or

    Words: 348 - Pages: 2

  • Free Essay

    Sql Problem

    Midterm Assignment (2 members in a group) Part 1 Table name: EMPLOYEE EMP_CODE | EMP_TITLE | EMP_LNAME | EMP_NAME | EMP_INITIAL | EMP_DOB | STORE_CODE | 1 | Mr. | Williamson | John | W | Thursday, June 21, 1962 | 3 | 2 | Ms. | Ratula | Nancy | | Sunday, March 12, 1967 | 2 | 3 | Ms. | Greenboro | Lottie | R | Monday, November 02, 1959 | 4 | 4 | Mrs. | Rumperstro | Jennie | S | Tuesday, July 01, 1969 | 1 | 5 | Mr. | Smith | Robert | L | Monday, December 29, 1957

    Words: 822 - Pages: 4

  • Premium Essay

    Mgmt 340 All Quizzes Week 1 - 7

    MGMT 340 All Quizzes Week 1 - 7 Purchase here http://chosecourses.com/MGMT%20340/mgmt-340-all-quizzes-week-1-7 Product Description MGMT 340 Week 1 : The Systems Development Environment – Quiz 1. Question : (TCO 1) The information system includes all of the following EXCEPT 2. Question : (TCO 1) The process of breaking the description of a system down into its smaller components best defines 3. Question : (TCO 1) The extent to which a system or subsystem performs a single function

    Words: 1414 - Pages: 6

  • Premium Essay

    Database Reviewer

    MS Access | Commercial Relational Database Management System (RDBMS) from Microsoft | Database Window | When you open a new or existing database, you will be greeted by it | F1 key | You can get help by pressing it | Answer Wizard Tab | To type a question in the Help window | Index Tab | When you want to search for specific words or phrases, | Database | Is collection of information related to particular subject or purpose | MS Access overview | Each has its own special function to allow

    Words: 723 - Pages: 3

  • Premium Essay

    Investigatory Proj.

    Chapter 2 - Database System Concepts and Architecture Data Models, Schemas and Instances A characteristic of the database approach is that it provides a level of data abstraction, by hiding details of data storage that are not needed by most users. A data model is a collection of concepts that can be used to describe the structure of a database. The model provides the necessary means to achieve the abstraction. The structure of a database is characterized by data types, relationships

    Words: 2961 - Pages: 12

  • Premium Essay

    Infs 3770 Studyguide

    Study Guide for INFS 3770 CHAPTER 1 Data vs Information CHAPTER 2 * Entity: Unique and distinct object used to collect and store data * Attribute: Characteristic of an entity * Relationship: Describes an association among entities * One-to-many (1:M) * Many-to-many (M:N or M:M) * One-to-one (1:1) * Constraint: Set of rules to ensure data integrity ===================================================================================== * Entity relationship

    Words: 468 - Pages: 2

  • Premium Essay

    Database Design

    organized to model relevant aspects of reality in a way that supports processes requiring this information Data modeling is a process used to define and analyze data requirements needed to support business processes within the scope of corresponding information in organization. It can also be thought of as a diagram or flowchart that illustrates the relationship between data. Data modeling tools and technique capture and translate complex system designs into easily understood representations of data

    Words: 392 - Pages: 2

  • Premium Essay

    Southwest

    Which of the following is not a core characteristic of the decentralized federation structure? D. Reporting and oversight conflicts prevail Which of the following is not a core characteristic of the coordinated federation structure? B. Subsidiaries are regarded as key sources of knowledge and expertise. Which of the following is not a characteristic of the companies with centralized hub structure? C .Most of the manufacturing and product development is executed but the subsidiaries Which of

    Words: 1478 - Pages: 6

  • Free Essay

    Database Assigment

    1. Name the five phases of the traditional systems development life cycle, and explain the purpose and deliverables of each phase. 2. In which of the five phases of the SDLC do database development activities occur? 3. Are there procedures and processes that are common to the use of SDLC, prototyping, and agile methodologies? Explain any that you can identify and then indicate why the methodologies are considered

    Words: 408 - Pages: 2

  • Premium Essay

    Good

    AC14/AT11 Database Management Systems TYPICAL QUESTIONS & ANSWERS PART -I OBJECTIVE TYPE QUESTIONS Each Question carries 2 marks. Choosethe correct or the best alternative in the following: Q.1 Which of the following relational algebra operations do not require the participating tables to be union-compatible? (A) Union (B) Intersection (C) Difference (D) Join Ans: (D) Q.2 Which of the following is not a property of transactions? (A) Atomicity (B) Concurrency (C) Isolation

    Words: 20217 - Pages: 81

Page   1 5 6 7 8 9 10 11 12 50