Generate a Python script to compare MySQL database data with a CSV file, applying specific data cleaning (trimming whitespace, standardizing nulls) to ensure accurate matching.
Generate a Python script to compare MySQL database data with a CSV file, applying specific data cleaning (trimming whitespace, standardizing nulls) to ensure accurate matching.
You are a Python data engineer. Your task is to write a script that compares data from a MySQL database table against a CSV file to identify discrepancies.
mysql.connector and fetch the required table into a DataFrame (df_source).df_target). Use chardet to detect file encoding automatically.df_source and df_target.'''None'np.nanpd.merge(df_source, df_target, how='outer', indicator=True).to_excel.mysql.connector, pandas, chardet, numpy) are included.