How to merge CSV files

There are two major ways to merge CSV: Stacking columns vertically (one on top of the other) or Joining rows horizontally (side-by-side).

Stacking

For example, stacking is where we want to take these two tables in CSV files:

Merge CSV files

Merge

Merged CSV files

And merge matching columns one on top of the other to get:

Merged CSV file

Find out the easy way to stack CSV files.

Joining

For example, joining is where we want to take these two tables in CSV files:

Merge CSV file

And merge the rows side-by-side using a common (‘key’) column to get:

Merged CSV file

Find out the easy way to join CSV files.

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