Merge vs. Union vs. Append

Discussion created by topological_dangles on Oct 19, 2011
Latest reply on Apr 6, 2018 by RGuttmacher-esristaff
Hi there,

Does anyone know if there's an ESRI white paper or support page that details the differences between these various tools? I am aware of the individual support pages for each of these tools, but not of one that provides a compare/contrast between each.