How do you combine multiple rows in an attribute table into 1 row?

[StephH]

Hi, How do you combine multiple rows in an attribute table into 1 row in ArcPro? I tried the 'Merge' tool but it seems like you have to select all the pixels manually and I have too many to do that. Thank you! 

[JayantaPoddar · Accepted solution]

So I assume you are working with a Raster file (since you mentioned pixels). Are you looking to reclassify the raster layer (continuous Floating/integer values) to a smaller number of classes based on range of values?

Snapshots will help, if you are looking for something else.

[GISLearner]

How can I do the same on a polygon vector layer? I want to combine multiple rows into one based on a ID attribute field