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What is a key distinction between metadata and primary data in a database context?
Which normalization form eliminates transitive dependency in relational databases?
A network administrator is troubleshooting a problem where a web application is not reachable. After confirming that the physical connections are intact...
What differentiates big data from traditional data in terms of its defining characteristics?
A data analyst at an insurance company is tasked with assessing the probability of fraudulent claims by analyzing customer transaction data and claim hi...
Which of the following best highlights how data analysts contribute to achieving organizational goals?
Given the following tables: Orders (OrderID, CustomerID, OrderDate) and Customers (CustomerID, CustomerName, City), what SQL query will return the name...
Which of the following visualizations is most effective for detecting outliers in a dataset ?
In developing a fraud detection model for online transactions, a data analyst should use a technique capable of identifying anomalous patterns. Which of...
Which of the following is the primary purpose of exploratory data analysis (EDA)?