What is the of the new feature? (e.g., are you predicting sales, classifying users?)
You must have all parts (part1.rar through part15.rar, or similar) in the same folder. Mega_Database_2023.part15.rar
Open only the first file ( Mega_Database_2023.part01.rar or part1.rar ) using extraction software like WinRAR , 7-Zip (Windows), or The Unarchiver (Mac). What is the of the new feature
df['new_feature'] = df['col1'] / df['col2'] SQL: ALTER TABLE table_name ADD new_column AS (expression); are you predicting sales
The software will automatically read all parts and extract the full, single database file (e.g., Mega_Database_2023.db or .csv ). 2. Create a Feature (Feature Engineering)