pandas merge two tables on column code example
Example 1: merge two df
bigdata = pd.concat([data1, data2], ignore_index=True, sort=False)Example 2: python dataframe left join
>>> left.merge(right, on='user_id', how='left')bigdata = pd.concat([data1, data2], ignore_index=True, sort=False)>>> left.merge(right, on='user_id', how='left')