WGU C175 LATEST EXAM RESOURCE WITH COMPLETE
SET OF DATABASE QUESTIONS AND ANSWERS
Unstructured data - ANSWER Data is not in a specific location and can be in
the form of text files, PDFs, voice mails, emails
What is a general definition of data?
Numbers that are written on digital media
Raw facts that are written on printed or digital media
Alphanumeric sequences that can be written on computer-readable media
Any information that can be moved from print to electronic - ANSWER Facts
that have been compiled in a helpful way
What are data?
Facts that have been arranged meaningfully
Facts produced by a question of a database system
Facts that are collected and stored in a database system
Processed facts applied to decision making - ANSWER Facts stored in a
database system
What is one factor that defines the unstructured data?
It cannot be copied and pasted.
It can be queried and retrieved easily by business applications.
, It does not fit into a data model.
It is held in rows and columns. - ANSWER It has no internal hierarchical
model
What statement is true of flat files?
They possess no internal hierarchical structure.
They have up to 256 records.
They can store only two-dimensional data.
They are always encrypted. - ANSWER They possess no internal hierarchical
structure.
Which technology does not have an internal hierarchy?
Flat files
Heap files
Hashed tables
Relational databases - ANSWER Flat Files
Historically, data were fetched from where?
Randomly from related files
\\
Sequentially from simple files
\\
Applying set operations on complex files
SET OF DATABASE QUESTIONS AND ANSWERS
Unstructured data - ANSWER Data is not in a specific location and can be in
the form of text files, PDFs, voice mails, emails
What is a general definition of data?
Numbers that are written on digital media
Raw facts that are written on printed or digital media
Alphanumeric sequences that can be written on computer-readable media
Any information that can be moved from print to electronic - ANSWER Facts
that have been compiled in a helpful way
What are data?
Facts that have been arranged meaningfully
Facts produced by a question of a database system
Facts that are collected and stored in a database system
Processed facts applied to decision making - ANSWER Facts stored in a
database system
What is one factor that defines the unstructured data?
It cannot be copied and pasted.
It can be queried and retrieved easily by business applications.
, It does not fit into a data model.
It is held in rows and columns. - ANSWER It has no internal hierarchical
model
What statement is true of flat files?
They possess no internal hierarchical structure.
They have up to 256 records.
They can store only two-dimensional data.
They are always encrypted. - ANSWER They possess no internal hierarchical
structure.
Which technology does not have an internal hierarchy?
Flat files
Heap files
Hashed tables
Relational databases - ANSWER Flat Files
Historically, data were fetched from where?
Randomly from related files
\\
Sequentially from simple files
\\
Applying set operations on complex files
