Refactored the SQL table reading functions to return map data structures instead of list. This change helps to easily correlate each dataframe with its underlying table. Additionally, the function comments and test cases were updated to match this change.
Fixes #671
Refactored the SQL table reading functions to return map data structures instead of list. This change helps to easily correlate each dataframe with its underlying table. Additionally, the function comments and test cases were updated to match this change.