Читайте также:
|
| column | колонка, стовпець |
| downward | направлений униз |
| evolve | розвиватися |
| handle | обробляти; оперувати, маніпулювати |
| in tandem | у тандемі; разом, спільно |
| interface | інтерфейс (апаратний) (пристрій сполучення; сполучення; засобу сполучення) |
| intersection | перетин |
| path | шлях, маршрут |
| predefined | визначений; запропонований |
| row | ряд; рядок |
| time-consuming | трудомісткий |
| unique | однозначний, унікальний |
| uppermost | самий верхній; вищий |
Ex. V. Can you define the following terms?
database OODBMS
database management system query by example
database query language relation database
hierarchical database root record
object-oriented database structured query language
Ex. VI. Multiple choice:
1. The database model that allows each record to have more than one parent, creating a many-to-many relationship among the records is called a ________.
a) network database; b) hierarchical database;
c) object-oriented database; d) relational database.
2. A ________ database allows users to query a database using a database query language.
a) object-oriented; b) network;
c) hierarchical; d) relational.
3. A ________ allows part of a database located at a host computer to be duplicated and placed in a remote computer.
a) relational database; b) object oriented database;
c) hierarchical database; d) distributed database.
4. A ________ is the software that manages the creation, storage, access, updating, deletion, and use of a database.
a) file management system; b) database management system;
c) flat file; d) application.
Ex. VII. Fill in. Use the words given in the box. Translate the sentences into Ukrainian.
hierarchical, relational, SQL, object-oriented data base, tables, objects, files, query
1. In the ________ model, data relationships follow hierarchies, or trees, which reflect either a one-to-one or a one-to-many relationship among record types.
2. The ________ model is composed of many tables in which data are stored.
3. ________ is a database query language that displays field information and allows users to enter inquiry conditions in desired fields.
4. An ________ uses objects and messages to accommodate new types of data and provide for advanced data handling.
5. Relational database use ________ for storing data.
6. Object-oriented database store data together with procedures in ________.
7. The hierarchical and network models use ________ for storing data.
8. Query by example and structured query language are two database ________ languages.
Ex. VIII. Translate into English in written form:
Дата добавления: 2015-11-16; просмотров: 60 | Нарушение авторских прав
| <== предыдущая страница | | | следующая страница ==> |
| Relational Model | | | Система керування базами даних |