CompTIA
DA0-001 · Question #428
A healthcare data analyst is working with data sets containing patient information, medical records, and metrics. The data analyst needs to combine two data sets that have a common field, Patient_ID.
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Data Analysis
Question
A healthcare data analyst is working with data sets containing patient information, medical records, and metrics. The data analyst needs to combine two data sets that have a common field, Patient_ID. Which of the following data manipulation techniques should the analyst use?
Options
- AData blending
- BConcatenation
- CData append
- DData merge
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Topics
#Data manipulation#Data integration#Merge operations#Common key