What is the result of the SQL query: SELECT * FROM employees;? MCQ with Answer and Explanation
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Question #1
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Information is:
Correct Answer: Option A
Explanation:
Information is data that has been organized and processed to provide context and meaning.
Information is data that has been organized and processed to provide context and meaning.
This question belongs to:
Computer
Database Management System (DBMS)
Question #2
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Which level of database architecture defines the entire logical structure of the database, including entities, relationships, and constraints, independent of physical storage?
Correct Answer: Option A
Explanation:
The Conceptual (or Logical) level describes what data is stored in the entire database and what relationships exist among those data points.
The Conceptual (or Logical) level describes what data is stored in the entire database and what relationships exist among those data points.
This question belongs to:
Computer
Database Management System (DBMS)
Question #3
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Which type of database storage anomaly occurs when adding new data to a table is blocked because other unrelated data is missing?
Correct Answer: Option B
Explanation:
An Insertion Anomaly occurs when certain facts cannot be recorded in a database table without falsely manufacturing or requiring the presence of other unrelated facts.
An Insertion Anomaly occurs when certain facts cannot be recorded in a database table without falsely manufacturing or requiring the presence of other unrelated facts.
This question belongs to:
Computer
Database Management System (DBMS)
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