CompTIA
DA0-002 · Question #45
Due to new reporting requirements, a data analyst must add new classification codes to historical data. Which of the following is the best technique for this task?
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Data Acquisition and Preparation
Question
Due to new reporting requirements, a data analyst must add new classification codes to historical data. Which of the following is the best technique for this task?
Options
- AAppend
- BBinning
- CParsing
- DUnion
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Topics
#Data preparation#Data modification#Append operation#Historical data management