Priyam JainDateTime functions used in PySpark ProjectsRecently I got a DM regarding the date functions in PySpark. Hence creating a post on it. Link to Youtube Video : https://lnkd.in/dHHEab6e…Dec 24, 2023Dec 24, 2023
Priyam JainInterview Series on PySparkSuppose you have a table called log_data with the following columns: log_id, user_id, action, and timestamp. Write a SQL query to calculate…Sep 19, 2023Sep 19, 2023
Priyam Jainreal-world example of the latest development in data analytics — Delta Live Tables in Databricks!🌐 Real-World Example: Let’s say you’re tracking user interactions on your e-commerce website. With Delta Live Tables, you can:Sep 19, 2023Sep 19, 2023
Priyam Jain🚀 Unlocking the Power of SQL Window Functions 🚀In the world of SQL, window functions are the unsung heroes that enable us to perform complex data analysis with ease.Sep 18, 2023Sep 18, 2023
Priyam JainHigh-Level SQL String Functions with real-world examples! 💼1️⃣ *CONCATENATION*: Combine strings with ease using `CONCAT` or `||`. For instance: SELECT CONCAT(first_name, ‘ ‘, last_name) AS…Sep 17, 2023Sep 17, 2023
Priyam JainIntroducing the Power of ETL with PySpark!PySpark, the Python API for Apache Spark, has revolutionized the way we handle Big Data. It’s an ETL powerhouse that combines the…Sep 11, 2023Sep 11, 2023
Priyam JainMagic of “PARTITION BY” and “BUCKET BY” in our data processing journeys. 🚀💻1. Partition By: a. Use “PARTITION BY” when you have large datasets and want to improve query performance and data filtering based on…Aug 6, 2023Aug 6, 2023
Priyam JainApache Spark Transformations Narrow and Wide 🎯Narrow transformations, also known as narrow dependencies, are a fundamental concept in Apache Spark that play a crucial role in optimizing…Aug 3, 2023Aug 3, 2023
Priyam Jain“Cache,” “Persist,” and “Unpersist” in Apache Spark with practical examples.1️⃣ Cache: 🔹Caching is the process of storing intermediate data in memory. 🔹Use cache() to keep the data in memory for quick access in…Aug 2, 2023Aug 2, 2023
Priyam JainPower of PySpark DataFrames: Ways to create dataframe in PySpark 🚀💼In this post, I’ll show you some super simple ways to create DataFrames in PySpark with real-life examples. Let’s get inspired and learn…Jul 30, 2023Jul 30, 2023