join two dataframes pandas based on column code example

Example 1: merge two dataframes based on column

df_outer = pd.merge(df1, df2, on='id', how='outer')

df_outer

Example 2: combine two dataframe in pandas

# Stack the DataFrames on top of each other
vertical_stack = pd.concat([survey_sub, survey_sub_last10], axis=0)

# Place the DataFrames side by side
horizontal_stack = pd.concat([survey_sub, survey_sub_last10], axis=1)

Example 3: merge two df

bigdata = pd.concat([data1, data2], ignore_index=True, sort=False)

Example 4: merge two dataframes based on column

df_merge_col = pd.merge(df_row, df3, on='id')

df_merge_col

Example 5: how to join two dataframe in pandas based on two column

merged_df = left_df.merge(right_df, how='inner', left_on=["A", "B"], right_on=["A2","B2"])