pyspark.sql.functions.format_number The format_number function is used to format a number as a string. The function…
Tag: Big Data
PySpark : Formatting numbers to a specific number of decimal places.
pyspark.sql.functions.format_number One of the useful functions in PySpark is the format_number function, which is used to format numbers to a…
PySpark : Creating multiple rows for each element in the array[explode]
pyspark.sql.functions.explode One of the important operations in PySpark is the explode function, which is used to convert a column of…
PySpark : How decode works in PySpark ?
One of the important concepts in PySpark is data encoding and decoding, which refers to the process of converting data…
PySpark : Extracting dayofmonth, dayofweek, and dayofyear in PySpark
pyspark.sql.functions.dayofmonth pyspark.sql.functions.dayofweek pyspark.sql.functions.dayofyear One of the most common data manipulations in PySpark is working with date and time columns. PySpark…
Explain the purpose of the AWS Glue data catalog.
The AWS Glue data catalog is a central repository for storing metadata about data sources, transformations, and targets used in…
Spark : Calculate the number of unique elements in a column using PySpark
pyspark.sql.functions.countDistinct In PySpark, the countDistinct function is used to calculate the number of unique elements in a column. This is…
Spark : Advantages of Google’s Serverless Spark
Google’s Serverless Spark has several advantages compared to traditional Spark clusters: Cost-effective: Serverless Spark eliminates the need for dedicated servers…
PySpark : How to decode in PySpark ?
pyspark.sql.functions.decode The pyspark.sql.functions.decode Function in PySpark PySpark is a popular library for processing big data using Apache Spark. One of…
PySpark : Date Formatting : Converts a date, timestamp, or string to a string value with specified format in PySpark
pyspark.sql.functions.date_format In PySpark, dates and timestamps are stored as timestamp type. However, while working with timestamps in PySpark, sometimes it…
PySpark : Adding a specified number of days to a date column in PySpark
pyspark.sql.functions.date_add The date_add function in PySpark is used to add a specified number of days to a date column. It’s…