how to join dataframe in pyspark code example
Example: pyspark join
>>> df.join(df2, df.name == df2.name, 'outer').select(df.name, df2.height).collect()
[Row(name=None, height=80), Row(name='Bob', height=85), Row(name='Alice', height=None)]
>>> df.join(df2, df.name == df2.name, 'outer').select(df.name, df2.height).collect()
[Row(name=None, height=80), Row(name='Bob', height=85), Row(name='Alice', height=None)]