A data analyst is joining two tables with different content and one common field. Which of the following should the analyst do to most efficiently meet this requirement?

• A.Match the records of the related columns and merge the tables.
• B.Create a cluster to facilitate data integration between the tables.
• C.Explode both tables to identify unique values and reorder the fields in one table.
• D.Append the values of the matching columns and concatenate the other data fields.

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A data analyst needs to identify outliers from a given dataset. Which of the following visualizations is the best way to identify outliers?

• A.Box plot
• B.Scatter plot
• C.Gantt chart
• D.Waterfall chart

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Which of the following data sources makes online data consumption easier?

• A.Data mart
• B.Web scraping
• C.Database
• D.Application programming interface

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Which of the following is the best language to use in a notebook?

• A.Haskell
• B.Python
• C.JavaScript
• D.SAS

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A data professional wants to identify all customers who made a purchase in January. Given the following table:

Which of the following types of functions should the professional use to flag the customers?

• A.Statistical
• B.Logical
• C.Mathematical
• D.Date

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