[dataframe] Spark dataframe: collect () vs select ()

Select is used for projecting some or all fields of a dataframe. It won't give you an value as an output but a new dataframe. Its a transformation.

Examples related to dataframe

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Examples related to apache-spark

Select Specific Columns from Spark DataFrame Select columns in PySpark dataframe What is the difference between spark.sql.shuffle.partitions and spark.default.parallelism? How to find count of Null and Nan values for each column in a PySpark dataframe efficiently? Spark dataframe: collect () vs select () How does createOrReplaceTempView work in Spark? Spark difference between reduceByKey vs groupByKey vs aggregateByKey vs combineByKey Filter df when values matches part of a string in pyspark Filtering a pyspark dataframe using isin by exclusion Convert date from String to Date format in Dataframes

Examples related to apache-spark-sql

Select Specific Columns from Spark DataFrame Pyspark: Filter dataframe based on multiple conditions Select columns in PySpark dataframe What is the difference between spark.sql.shuffle.partitions and spark.default.parallelism? How to find count of Null and Nan values for each column in a PySpark dataframe efficiently? Spark dataframe: collect () vs select () How does createOrReplaceTempView work in Spark? Filter df when values matches part of a string in pyspark Convert date from String to Date format in Dataframes Take n rows from a spark dataframe and pass to toPandas()