1. What is a primary key in a database? A unique index for sorting data A unique identifier for a record A field that can be left empty A table used for queries Submit 2. What does SQL stand for? Structured Query Layout Structured Query Language Simple Query Language Standard Query Layout Submit 3. Which Excel function is used to find the average value in a dataset? MAX COUNT AVERAGE MIN Submit 4. What is the purpose of a data warehouse? To store unstructured data To store large amounts of structured data for analysis To perform real-time transaction processing To create visualizations Submit 5. In Python, which library is most commonly used for data manipulation? NumPy Pandas Matplotlib Seaborn Submit 6. What is a data model in database design? A framework for visualizing charts A conceptual framework for how data is stored A tool for building machine learning models A type of data visualization Submit 7....
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