This is something that can be done via script on the back end. For example, running the script

update CODETABLECATALOG
set CODETABLENAME = 'test4'
where UINAME = 'test3'

changed the CODETABLENAME and UINAME to test4.

Also, there are two suggestions on our Idea Portal to add this functionality to CRM. If interested, please visit the following links: https://bbcrm.ideas.aha.io/ideas/CRM-I-2444https://bbcrm.ideas.aha.io/ideas/CRM-I-130