PinnedMODULE 1 : BIG DATA — THE BIG PICTURE |Comparison Between Monolithic and Distributed SystemsMonolithic SystemsJul 31, 2024Jul 31, 2024
PinnedPyspark StructType and StructField ?let’s In PySpark, StructType and StructField are classes used for defining the schema of a DataFrame. They allow you to specify the…Nov 11, 202322Nov 11, 202322
Advanced SQL for Data Professionals“Advanced SQL for Data Professionals” covers complex and performance-optimized SQL techniques, which are essential for handling large…Mar 13Mar 13
Future of IT Predicting the Next Technological Boom by 2035Predicting the IT boom after 10 years (by 2035) involves analyzing emerging trends and technologies that are expected to shape the…Mar 13Mar 13
Databricks Cost Optimization Methods ?Databricks cost optimization involves managing resources effectively to reduce unnecessary costs while maximizing performance. Below are…Dec 17, 2024Dec 17, 2024
How to read .xlsx file in PySpark ?To read an .xlsx file in PySpark, you can use libraries like pyspark-excel or the openpyxl library in combination with PySpark's DataFrame…Dec 17, 2024Dec 17, 2024
Creating PySpark and SQL tables dynamically without hardcodingCreating SQL tables dynamically without hardcoding involves using scripts or templating mechanisms to generate the SQL code based on inputs…Dec 15, 20241Dec 15, 20241
Databricks Workflows in Real-Time Use with SparkDatabricks Workflows provide a robust orchestration tool to manage ETL pipelines, machine learning (ML) tasks, and data engineering…Dec 15, 2024Dec 15, 2024
What is unity Catalog in DatabricksUnity Catalog is a unified governance solution introduced by Databricks for data and AI on its Lakehouse Platform. It is designed to…Dec 15, 202410Dec 15, 202410
Sql Project Overview: Sales and Operations Data WarehouseThis project involves the design and implementation of a data warehouse for a retail company. The data warehouse is structured to support…Aug 12, 2024101Aug 12, 2024101
Rank vs dense_rank in sqlBasically SQL, both RANK() and DENSE_RANK() are window functions used to assign rankings to rows within a partition of data. However, they…Aug 12, 2024Aug 12, 2024
MODULE 1 : BIG DATA — THE BIG PICTURE | Database vs Data Warehouse vs Data LakeDatabase vs Data Warehouse vs Data LakeAug 2, 2024Aug 2, 2024
MODULE 1 : BIG DATA — THE BIG PICTURE | Introduction to Apache SparkIntroduction to Apache SparkAug 2, 2024Aug 2, 2024
MODULE 1 : BIG DATA — THE BIG PICTURE | Types of Cloud ComputingCloud computing can be classified into different types based on deployment models and service models. Understanding these classifications…Aug 2, 2024Aug 2, 2024
MODULE 1 : BIG DATA — THE BIG PICTURE | Advantages of Cloud ComputingAdvantages of Cloud ComputingAug 2, 2024Aug 2, 2024
MODULE 1 : BIG DATA — THE BIG PICTURE | COMPARISON BETWEEN ON-PREMISE AND CLOUDComparison Between On-Premise and CloudAug 2, 2024Aug 2, 2024
MODULE 1 : BIG DATA — THE BIG PICTURE | Challenges with HadoopChallenges with HadoopAug 2, 2024Aug 2, 2024
MODULE 1 : BIG DATA — THE BIG PICTURE | Hadoop: Evolution, Overview, and Core ComponentsEvolution of HadoopJul 31, 2024Jul 31, 2024
MODULE 1 : BIG DATA — THE BIG PICTURE | INTRODUCTION TO BIG DATAIntroduction to Big DataJul 31, 2024Jul 31, 2024
Slowly changing data (SCD) Type 2 operation into Delta tables in sparkImplementing Slowly Changing Dimension (SCD) Type 2 operations with Delta tables in Apache Spark involves handling historical data changes…Jul 27, 2024Jul 27, 2024
