Duplicate Rows in PandasExploratory Data Analysis (EDA) has six main practices. The six main practices of EDA are discovering, structuring, cleaning, […] July 3, 2023 in Python tagged pandas / print / duplicated / percent / format / duplicates / drop / unique / duplicate / Pandas EDA Cleaning by Mike
Remove DuplicatesIn Power Query it is easy to remove duplicates. There is however something to be aware of. Power […] December 28, 2022 in Excel tagged remove / duplicates / query / Excel Power Query by Mike
SQL Server Count DuplicatesYou may have a need to count the number of duplicates in a column. Perhaps you want to […] November 12, 2021 in SQL Server tagged duplicates / count / duplicate / SQL Count by Mike
SQL Server Data Validation Part 33. Fruit Code and Fruit Variety Code – Case 1 This is a continuation of the post called […] February 14, 2018 in SQL Server tagged duplicates / data validation / SQL Server Data Validation by Mike
SQL Server Duplicates Part 2This discussion of finding duplicates in SQL Server is a continuation of Part 1. We will look at […] May 10, 2017 in SQL Server tagged duplicate / sql / duplicates / SQL Server Duplicates by Mike
SQL Server Duplicates Part 1When working with databases you will often need to check if there are any duplicates in your tables. […] May 7, 2017 in SQL Server tagged duplicates / count / SQL Server Duplicates by Mike
SQL Finding Duplicates in a TableSuppose you have one table where you need to show all of the rows that have duplicate (more […] February 4, 2017 in Database tagged sql / duplicates by Mike
SQL Finding Duplicates across Two Tables Two ColumnsThis blog post is a continuation from the previous blog post called SQL Finding Duplicates across Two Tables […] February 4, 2017 in Database tagged sql / table / duplicates / multiple by Mike
SQL Finding Duplicates across Two Tables One ColumnThis post discusses the query needed to check if there are any duplicate values in a certain column […] February 4, 2017 in Database tagged sql / duplicates / tables / duplicate by Mike