Database Systems FINAL 2025/2026
Exam Questions and Answers | 100%
Pass
Data is the result of interpreting facts to reveal meaning. (T or F) - 🧠 ANSWER
✔✔False, Data is the result of processing RAW DATA to facts to reveal their
meaning
Unstructured data is data that exists in the format in which it was collected (raw
state). While Structured data is the result of formatting unstructured data to enable
storage, use, and generation of information. (T or F) - 🧠 ANSWER ✔✔True.
Correct. Unstructured data is in its raw state while structured data is formatted to
enable storage and generation of meaningful information.
Data redundancy exists when data is duplicated and stored unnecessarily at
different places. - 🧠 ANSWER ✔✔True:
,Data redundancy exists when data is duplicated and stored unnecessarily at
different places.
One of the advantages of a database system over previous data management
approaches is reduced costs. (T or F) - 🧠 ANSWER ✔✔FALSE:
Correct. Database systems require sophisticated hardware and software and highly
skilled personnel. This increases costs.
The term database system refers to an organization of components that define and
regulate the collection, storage, management, and use of data within a database
environment. - 🧠 ANSWER ✔✔True:
Correct. Database system refers to an organization of components that define and
regulate the collection, storage, management, and use of data within a database
environment.
How would you define data that is verifiable?
a. The data is stored in different places within the database.
b. The data cannot be changed or manipulated.
,c. The data always yields consistent results.
d. The data is obtained from trusted sources. - 🧠 ANSWER ✔✔C
Correct. Data is said to be verifiable if the data always yields consistent results
One of the advantages of database systems is that ___
a. Database systems maximizes data inconsistency
b. Database systems decreases end user productivity
c. Database systems enable the data in the database to be shared among multiple
applications or users.
d. Database systems do not integrate many different users' data into a single all-
encompassing data repository. - 🧠 ANSWER ✔✔C.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, Correct. One of the advantages of database systems is that Database systems
enable the data in the database to be shared among multiple applications or users.
A good Database Management System (DBMS) will perform well even with a
badly designed database. (T or F) - 🧠 ANSWER ✔✔False:
Correct. A well designed database is essential for a DBMS to perform well.
Thorough database planning and design is important to ensure that data is properly
used to give the organization the most benefit. (T or F) - 🧠 ANSWER ✔✔True:
Correct. Thorough database planning and design is important for a DBMS to
perform well and to give the organization the most benefit.
Which of the answers below is one of the challenges of managing a database
system?
a. Infrequent Upgrade
b. Management Simplicity
c. Reduced costs
d Vendor Dependence - 🧠 ANSWER ✔✔d. Vendor dependende:
Exam Questions and Answers | 100%
Pass
Data is the result of interpreting facts to reveal meaning. (T or F) - 🧠 ANSWER
✔✔False, Data is the result of processing RAW DATA to facts to reveal their
meaning
Unstructured data is data that exists in the format in which it was collected (raw
state). While Structured data is the result of formatting unstructured data to enable
storage, use, and generation of information. (T or F) - 🧠 ANSWER ✔✔True.
Correct. Unstructured data is in its raw state while structured data is formatted to
enable storage and generation of meaningful information.
Data redundancy exists when data is duplicated and stored unnecessarily at
different places. - 🧠 ANSWER ✔✔True:
,Data redundancy exists when data is duplicated and stored unnecessarily at
different places.
One of the advantages of a database system over previous data management
approaches is reduced costs. (T or F) - 🧠 ANSWER ✔✔FALSE:
Correct. Database systems require sophisticated hardware and software and highly
skilled personnel. This increases costs.
The term database system refers to an organization of components that define and
regulate the collection, storage, management, and use of data within a database
environment. - 🧠 ANSWER ✔✔True:
Correct. Database system refers to an organization of components that define and
regulate the collection, storage, management, and use of data within a database
environment.
How would you define data that is verifiable?
a. The data is stored in different places within the database.
b. The data cannot be changed or manipulated.
,c. The data always yields consistent results.
d. The data is obtained from trusted sources. - 🧠 ANSWER ✔✔C
Correct. Data is said to be verifiable if the data always yields consistent results
One of the advantages of database systems is that ___
a. Database systems maximizes data inconsistency
b. Database systems decreases end user productivity
c. Database systems enable the data in the database to be shared among multiple
applications or users.
d. Database systems do not integrate many different users' data into a single all-
encompassing data repository. - 🧠 ANSWER ✔✔C.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, Correct. One of the advantages of database systems is that Database systems
enable the data in the database to be shared among multiple applications or users.
A good Database Management System (DBMS) will perform well even with a
badly designed database. (T or F) - 🧠 ANSWER ✔✔False:
Correct. A well designed database is essential for a DBMS to perform well.
Thorough database planning and design is important to ensure that data is properly
used to give the organization the most benefit. (T or F) - 🧠 ANSWER ✔✔True:
Correct. Thorough database planning and design is important for a DBMS to
perform well and to give the organization the most benefit.
Which of the answers below is one of the challenges of managing a database
system?
a. Infrequent Upgrade
b. Management Simplicity
c. Reduced costs
d Vendor Dependence - 🧠 ANSWER ✔✔d. Vendor dependende:
