When used in combination with Amazon S3, AWS Glue offers several benefits, including: Scalability: AWS…
Tag: Big Data
AWS Glue : What are the benefits of using AWS Glue with Amazon S3?
AWS Glue is a fully managed extract, transform, and load (ETL) service that makes it easy to move data between…
AWS Glue : How does AWS Glue handle data privacy and compliance with regulatory requirements?
AWS Glue is a fully managed ETL service that allows users to extract, transform, and load data from various sources…
PySpark : HiveContext in PySpark – A brief explanation
One of the key components of PySpark is the HiveContext, which provides a SQL-like interface to work with data stored…
PySpark: Explanation of PySpark Full Outer Join with example.
One of the most commonly used operations in PySpark is joining two dataframes together. Full outer join is one of…
PySpark : Reading from multiple files , how to get the file which contain each record in PySpark [input_file_name]
pyspark.sql.functions.input_file_name One of the most useful features of PySpark is the ability to access metadata about the input files being…
PySpark : Exploding a column of arrays or maps into multiple rows in a Spark DataFrame [posexplode_outer]
pyspark.sql.functions.posexplode_outer The posexplode_outer function in PySpark is part of the pyspark.sql.functions module and is used to explode a column of…
PySpark : Transforming a column of arrays or maps into multiple columns, with one row for each element in the array or map [posexplode]
pyspark.sql.functions.posexplode The posexplode function in PySpark is part of the pyspark.sql.functions module and is used to transform a column of…
PySpark : Calculate the percent rank of a set of values in a DataFrame column using PySpark[percent_rank]
pyspark.sql.functions.percent_rank PySpark provides a percent_rank function as part of the pyspark.sql.functions module, which is used to calculate the percent rank…
PySpark : Extracting minutes of a given date as integer in PySpark [minute]
pyspark.sql.functions.minute The minute function in PySpark is part of the pyspark.sql.functions module, and is used to extract the minute from…
PySpark : Function to perform simple column transformations [expr]
pyspark.sql.functions.expr The expr module is part of the PySpark SQL module and is used to create column expressions that can…