Topic 5

Topic 5

University

•

93 Qs

quiz-placeholder

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Topic 5

Topic 5

Assessment

Quiz

•

Science

•

University

•

Practice Problem

•

Easy

Created by

Vy Hạ

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93 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ________ is the structure that contains descriptions of objects such as tables and views created by users.

SQL

schema

catalog

master view

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

________ is a set of commands used to control a database, including security.

DML

DDL

DCL

DPL

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

________ is a set of commands used to update and query a database.

DML

DDL

DCL

DPL

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

DDL is typically used during which phase of the development process?

Implementation

Physical design

Analysis

Evaluation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The main concept of relational databases was published in 1970 by:

Itzak Ben-Gan.

Hoffer.

Mills.

E.F.Codd.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Relational databases are heavily based on the mathematical concept of:

set theory.

bet theory.

get theory.

met theory.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The command for creating a database is:

CREATE TABLE.

CREATE VIEW.

CREATE SCHEMA.

CREATE AUTHORIZATION.

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