Skip to main content
Showing results for 
Search instead for 
Did you mean: 

Find everything you need to get certified on Fabric—skills challenges, live sessions, exam prep, role guidance, and more. Get started

Helper II
Helper II

Function Table.Buffer



Can you share with me situations where the functions Table.Buffer is recommended? Or some scenarios, you used this function successfully.

Resolver III
Resolver III

Hi, if you need to use the same table multiple times in your data transformation process, buffering it can save processing time (better performance) by loading the data into memory once and then referencing it multiple times.
For example when joining large tables, buffering the larger table can be beneficial to avoid unnecessary data refreshes during the join operation:




In this example, before using the main table for merging, we have first buffered it to expedite the merge process. By buffering the table, the merge operation becomes faster due to reduced data retrieval and improved in-memory processing efficiency.


Of course it has other applications as well.


Helpful resources


Europe’s largest Microsoft Fabric Community Conference

Join the community in Stockholm for expert Microsoft Fabric learning including a very exciting keynote from Arun Ulag, Corporate Vice President, Azure Data.

Power BI Carousel June 2024

Power BI Monthly Update - June 2024

Check out the June 2024 Power BI update to learn about new features.


Fabric Community Update - June 2024

Find out what's new and trending in the Fabric Community.

RTI Forums Carousel3

New forum boards available in Real-Time Intelligence.

Ask questions in Eventhouse and KQL, Eventstream, and Reflex.

Top Solution Authors
Top Kudoed Authors