Question
Which SQL keyword is used to eliminate duplicate rows in
a query result?Solution
DISTINCT removes duplicate rows from the query result, returning only unique records.
Which of the following is a unique feature of Tableau that distinguishes it from other Business Intelligence tools?
Which of the following Software Development Life Cycle (SDLC) models is best suited for projects where the requirements are unclear or evolving rapidly?
In R, which function is used to view the first few rows of a dataset?
Which of the following best describes a key advantage of containerization over traditional virtual machines?
In Huffman Coding, which property ensures that no code is a prefix of another?
A database holding sensitive customer data is compromised, and attackers exfiltrate data without altering it. Which principle of the CIA triad has been ...
Which of the following statistical methods is most appropriate for analyzing the relationship between two continuous variables?
What is the first step in the data analysis process?
During the data analysis process, which step is crucial for ensuring data accuracy before any modeling or interpretation?
Which of the following is an example of semi-structured data?
