Databricks Tip ⚡ Save DataFrame to single CSV file! 📁 DataFrame .write will save the output into multiple small files. Sometimes you want one single CSV file for further analysis in another tool. With the help of coalesce(1) you set the partition to one! Then you can easily download it via DBFS FileStore! ⚠️ Use only on small datasets! • • • • • • #databricks #pyspark #spark #python #dataengineering