Заглавная страница Избранные статьи Случайная статья Познавательные статьи Новые добавления Обратная связь КАТЕГОРИИ: АрхеологияБиология Генетика География Информатика История Логика Маркетинг Математика Менеджмент Механика Педагогика Религия Социология Технологии Физика Философия Финансы Химия Экология ТОП 10 на сайте Приготовление дезинфицирующих растворов различной концентрацииТехника нижней прямой подачи мяча. Франко-прусская война (причины и последствия) Организация работы процедурного кабинета Смысловое и механическое запоминание, их место и роль в усвоении знаний Коммуникативные барьеры и пути их преодоления Обработка изделий медицинского назначения многократного применения Образцы текста публицистического стиля Четыре типа изменения баланса Задачи с ответами для Всероссийской олимпиады по праву Мы поможем в написании ваших работ! ЗНАЕТЕ ЛИ ВЫ?
Влияние общества на человека
Приготовление дезинфицирующих растворов различной концентрации Практические работы по географии для 6 класса Организация работы процедурного кабинета Изменения в неживой природе осенью Уборка процедурного кабинета Сольфеджио. Все правила по сольфеджио Балочные системы. Определение реакций опор и моментов защемления |
Отв: to store and organize data
What is data mining? отв: Why would you create a primary key? отв: What is the difference between verification and validation? отв: What is the difference between an entity and an attribute? отв:? An attribute is a field in a database and entity is a table What tool allows a user to search a database for specific information? отв: A query Which query would you use to present results for 'purple trousers'? Отв: Purple AND trousers In SQL, what does the code 'Title varchar (20)' mean? Отв: Create a field called 'Title' with a string data type and a length of 20 characters Which SQL statement allows a user to find records with similar attributes? Отв: Where Which of the following are NOT objects of an Access database? Check all that apply. отв:. chart 51. In Access, the rows and columns of a table are referred to as __________________. отв: Records and fields 52. Every table in relational database contain a field or combination of fields that can uniquely identify each records, it is called… Отв: Primary key 53. Database Management Systems are featured with: отв: The ability to store large amount of data to facilitate easy update, sort and retrieval 54. Collection of related records in a database is known as… Отв: table 55. A part of database that stores only one type of data is… Отв: Field Which of the following IS personnel is responsible for the maintenance of information systems? Отв: a programmer 57. In one-to-many relationship the table in ‘one’ side is called _______ and on ‘many’ side is called _______ Отв: Parent, Child 58. The complete information about an entity in a database is called… Отв: Record Which of the following is the correct order of keywords for SQL SELECT statements? Отв: Select, From, Where Is the act ferreting out previously unknown patterns and relationships from a set of data. Отв: Data mining 61. The three activities in an information system that produce the information organizations use to control operations are… Отв: data analysis, processing, and feedback. Which of the following statements is true about information? Отв: It is the ability to make predictions based on data. 63. The process of removing the deficiencies and loopholes in the data is called as.... Отв: Cleaning up of data. 64. The Synonym for data mining is … Отв: Knowledge discovery in database 65. Concept description is the basic form of the … Отв: Descriptive data mining 66. Data modeling technique used for data marts is … Отв: Dimensional modeling Which one manages both current and historic transactions? Отв: Online Analytical Processing (OLAP) Which of the following employees data mining techniques to analyze the intent of a user query,provided additional generalized or associated information relevant to the query? Отв: Intelligent query answering Which of the following process includes data cleaning, data integration, data selection, data Transformation, data mining, pattern evolution and knowledge presentation? Отв: KDD process 70. A client device designed so that most processing and data storage occurs on the client side describes: Отв: Fat Client Which of the following is NOT a likely configuration of a Client-Server System? Отв: Single Client- Multiple Server System Which of the following statements regarding Client-server computing are true?
Отв: The Client server environment is typically homogeneous and single-vendor. The hardware flat form and Operating system of Client and Server are usually the same 73. In the Client-Server architecture, the component that processes the request and sends the response is… Отв: Server Which of the following is an example of an URL? Отв: Www.google.com 75. The principle of serial equivalence for distributed transactions says that… Отв: When several transactions are executed concurrently, the result should be the same as if they had been executed in sequence
|
|||||
Последнее изменение этой страницы: 2017-01-20; просмотров: 441; Нарушение авторского права страницы; Мы поможем в написании вашей работы! infopedia.su Все материалы представленные на сайте исключительно с целью ознакомления читателями и не преследуют коммерческих целей или нарушение авторских прав. Обратная связь - 18.219.213.196 (0.006 с.) |