When saving DataFrame to MySQL, Pandas will map Python float (by default double precision) to MySQL FLOAT (by default single precision). I couldn't find a way to either specify the use of MySQL DOUBLE, or MySQL DECIMAL. When saving some financial data this will cause loss of precision. ...
pandas-dev / pandas Public Sponsor Notifications Fork 18.1k Star 44k New issue Jump to bottom BUG: TypeError: object of type 'int' has no len() when saving DataFrame with object dtype column #34645 Closed 2 of 3 tasks Honzys opened this issue Jun 8, 2020· 2 comments Closed...
Difficulty in Saving Data using Python Pandas' 'Dataframe.to_excel' could be the Question: As a Python developer, I created an data analysis app. However, I noticed that when I use df.to_excel to add new data to the file, the existing data gets deleted. Is there a way to append new...