Answers for "python inner join"

Python

join on column pandas

# df1 as main df and use the feild from df2 and map it into df1

df1.merge(df2,on='columnName',how='left')

Posted by: Guest on May-15-2020

joins in pandas

pd.merge(product,customer,left_on='Product_name',right_on='Purchased_Product')

Posted by: Guest on May-31-2020

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pandas merge multiple dataframes

import pandas as pd
from functools import reduce

# compile the list of dataframes you want to merge
data_frames = [df1, df2, df3]
df_merged = reduce(lambda  left,right: pd.merge(left,right,on=['key_col'],
                                            how='outer'), data_frames)

Posted by: Guest on October-04-2020

Source

joins in pandas

pd.merge(product,customer,how='inner',left_on=['Product_ID','Seller_City'],right_on=['Product_ID','City'])

Posted by: Guest on May-31-2020

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