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Tag archive for ‘Concatonated Keys’

Duplicate records, doubles, redundant data, duplicate rows; it doesn’t matter what you call them, they are one of the biggest problems in any data analyst’s life. There are lots of different types of data quality problems, but in this post I’ll focus on Duplicates. I’ll share some hints on how to find duplicate records and remove duplicate records, […]

  • Duplicate Data and removing duplicate records

    Duplicate records, doubles, redundant data, duplicate rows; it doesn’t matter what you call them, they are one of the biggest problems in any data analyst’s life. There are lots of different types of data quality problems, but in this post I’ll focus on Duplicates. I’ll share some hints on how to find duplicate records and remove duplicate records, […]