def db_table_determiner(schema_str,dbtable_str):
	""" 
	---PURPOSE---
	Given the string name of a schema and database table name 
	in that schema, return the db table object for that table 
	---INPUT---
	schema_str              -- e.g. 'db_lightsheet'
	dbtable_str  -- e.g. 'Request.SmartspimStitchedChannel'
	---OUTPUT---
	dbtable    - the datajoint table object ready to use for queries, etc..
	"""
	dbtable = eval(f'{schema_str}.{dbtable_str}')
	return dbtable