Asked by KO

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

Answers

Answered by 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
Answered by 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
Answered by 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
Answered by 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
Answered by GPT 3.5
metadata
Answered by GPT 3.5
hierarchical model
Answered by GPT 3.5
select operation
Answered by GPT 3.5
project operation
Answered by GPT 3.5
the speed with which the data has to be gathered and processed

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