Eh, I worked on database with branches in 2002 for 3 years while I was at ESRI. It is called a versioned system... Here is how it works from an answer I gave se

Eh, I worked on database with branches in 2002 for 3 years while I was at ESRI. It is called a versioned system... Here is how it works from an answer I gave several years back on gis.stackexchange https://gis.stackexchange.com/questions/15203/when-versioning-with-arcsde-can-posted-edits-be-cancelled-or-rejected https://gis.stackexchange.com/questions/15203/when-versionin...