Dropping Duplicates and Handling NaNs in Pandas DataFrames

Detecting Duplicates in Pandas without the Duplicate Function: An Alternative Approach Using Hashable Objects

Identifying Duplicated Rows with Different Values in Another Column: A Pandas Approach

Resolving Invisible or Triplicated Columns in Pandas DataFrames: Strategies for Data Analysts

Removing Duplicates and Taking Last Occurrence of Column Value in Oracle SQL: A Solution Using Conditional Logic and Subqueries

Finding Duplicate Records in a Database: A Comprehensive Approach

Finding and Counting Duplicates Based on Specific Columns While Ignoring Others Using Python and Pandas.

Preventing Duplicate Inserts: A SQL MERGE Solution for .NET WebService APIs

Identifying Duplicate Values in Pandas Series: A Deep Dive into Vectorization and Optimization

Remove Duplicate Rows in a Pandas DataFrame While Preserving Certain Data