FabricOfData

Top PySpark Interview Questions on Employee and Department Datasets (with Examples) In this post, you'll find all possible PySpark questions and solutions based on the classic Employee and…

PySpark-Q&APython-PySpark Puzzles

SAS

Flatten a Nested List and Count Occurrences in Python You’ve been given a jumbled guest list where names are stored in a nested structure of lists within lists. Some guests appear more than once — that’s oka…

PySpark-Q&APython-PySpark Puzzles

SAS

Flatten a Nested List and Remove Duplicates in Python You’ve been given a jumbled guest list where names are stored in a nested structure of lists within lists. Some guests appear more than once — that’s oka…

PySpark-Q&APython-PySpark Puzzles

SAS

Flatten a Nested List in Python Without Recursion You’ve been given a jumbled guest list where names are stored in a nested structure of lists within lists. Some guests appear more than once — that’s okay. Y…

PySpark-Q&APython-PySpark Puzzles

SAS

Flatten a Nested List Recursively in Python (Preserve Duplicates) You’ve been given a jumbled guest list where names are stored in a nested structure of lists within lists. Some guests appear more than once …

Python-PySpark Puzzles

SAS

Create a round-robin schedule where each department plays with every other department exactly once. No department should play against itself, and duplicate matchups like A vs B and B vs A should be avoided. …

Python-PySpark Puzzles

SAS

I have a large text file, and I want to analyze it using PySpark to determine which word appears most frequently. Could you help me with a PySpark script Input Data: …

PySpark-Q&APython-PySpark Puzzles

SAS

Given a dataset of customer transactions or movements over time, how can you determine the origin (first location) and destination (last location) for each customer using PySpark? …

Python-PySpark Puzzles

SAS

Given a sales table containing transaction records for various products, write a PySpark query to find products that have exactly two transactions. For these products, return only the details of their second tr…

Python-PySpark Puzzles

SAS

Identify frequent customers who had ≥5 service appointments in specific service types (‘Engine Repair’, ‘Transmission Check’). Calculate their total service cost and aver…

Python-PySpark Puzzles

SAS

Given an employee salary dataset, write a query to perform the following operations: Rank employees within each department based on their sal…

Python-PySpark Puzzles

SAS

You are given a table of customer transactions that includes each customer's purchases over time. Your task is to identify the customers with the highest lifetime spendi…

Python-PySpark Puzzles

SAS