Question

In data warehouses, _____ is information about data-its content, quality, condition, origin, and other characteristics.
Question 6 options:

metadata

big data

summary data

raw data
GPT 3.5
metadata
KO
In a(n) _____, nodes with the same parents are called twins or siblings.
Question 7 options:

hierarchical model

network model

relational model

object-based model
GPT 3.5
hierarchical model
KO
In a relational database model, which operation searches data in a table and retrieves records based on certain criteria?
Question 8 options:

insert operation

join operation

find operation

select operation
GPT 3.5
select operation
KO
In a relational database model, which operation pares down a table by eliminating columns according to certain criteria?
Question 9 options:

project operation

join operation

find operation

insert operation
GPT 3.5
project operation
KO
In the context of big data, velocity is _________.
Question 10 options:

the speed with which the data has to be gathered and processed

the trustworthiness and accuracy of the data

the value that the collected data brings to the decision-making process

the quantity of transactions, measured in petabytes or exabytes
GPT 3.5
the speed with which the data has to be gathered and processed