Populating Columns with DataFrames: A Step-by-Step Guide Using Pandas

Understanding Complex Query Scenarios: A Step-by-Step Approach to Searching Multiple Dataframes Based on Custom Order

Comparing Two Tables with the Same ID and Listing Out the Maximum Date

The problem statement wasn't provided, but based on the given response, it seems that the task is to provide a detailed explanation of how to merge two or more dataframes using the `merge()` function from R.