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ICT - Dataware Flashcards | StudBud
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ICT - Dataware
ICT - Dataware
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1
What is the role of the Database Management System (DBMS)?
Managing entity attributes
For creating databases
Restricting access to the database administrator
Enabling users and developers to work with databases, tables, and entity
2
What is the aim of achieving physical independence of data in databases?
Change entire database structure
Add new records without changes
Separate logical from physical
Modify logical definition
3
Which language serves the user to search the database interactively in User and DBMS communication?
Query Language (QL)
Programming Language (PL)
Data Description Language (DDL)
Data Manipulation Language (DML)
4
What does the relational model in a database organize data into?
Graph structures
Two-dimensional tables (relations)
Tree-like structures
Single-root structures
5
What is a characteristic of a strong entity in a database?
Independent existence
Weak entity attribute
Deleted with related entities
Dependent on other entities
6
What operations are possible on data in a database?
Deleting data
Only reading data
Storing and reading data
Storing, modifying, deleting, and reading data
7
What is the primary language used for communication between modern databases and the outside world?
C++
Python
Java
SQL
8
What does the Physical level of database architecture primarily concern?
Interfaces between database layers
Display of data on memory units
Entire database structure
Logical structure for applications
9
What is the relationship between data and information?
Data and information are interchangeable terms
Information and data are unrelated concepts
Information is raw, and data is processed
Data is the raw building block for information
10
What is the primary task of a database system?
To process data
To store, integrate, and interpret data
To delete data
To generate data
