
База данных Вопросы
Quiz
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Other
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University
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Practice Problem
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Easy
MIKO 2
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53 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is responsible for designing and managing the database?
Database Administrator
Network Technician
Security Service
End User
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not an example of a DBMS?
MySQL
Python
Oracle
PostgreSQL
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Data Definition Language (DDL) do?
Defines the database schema
Encrypts user passwords
Creates data backups
Creates user interfaces
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is stored in the data dictionary?
User credentials
Backup logs
Metadata about the database structure
Application source code
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What uniquely identifies each record in a relational table?
Foreign key
Attribute
Primary key
Index
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is DML?
Design Language for Display
Data Manipulation Language
Database Migration Layer
Device Management Logic
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a commercial DML?
Relational calculus
SQL
Assembler
DDL
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