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PySpark Built-in Functions
These functions are commonly used with groupBy() , agg() , or select() to compute things like sum, average, max, min, count, etc. PySpark functions come fr…
SQL Server User-Defined Functions (UDF)
SQL Server ke saare User-Defined Functions — Scalar, Inline TVF, MSTVF — ko ek jagah samjho. Real examples, performance tips, aur interview questions ke saath.
What is Functions and Difference between Functions and Stored Procedures in SQL Server
What is a Function in sql : A function is a set of SQL Statements that perform a specific task. Basically, it is a set of SQL statements that accept only i…
PySpark SQL Date and Timestamp Functions
...etup First (Optional for Reference) from pyspark.sql import functions as F from pyspark.sql import types as T data = df = spark.createDataFrame(data, )…
What difference between the DATEPART() and DATENAME() functions?
The difference between the DATEPART() and DATENAME() functions lies in their definitions. DATEPART() returns an integer that represents the specified datep…
Applying Functions in PySpark
...ython API for Apache Spark, provides multiple ways to apply functions to DataFrame columns. This flexibility allows data engineers and analys…