stepbystepdatascience

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Welcome to Data Science with Ajit Chaudhary. This channel contains material related to data science. The aim is to explain code and logic step by step in sev...

Latest Videos

Modern Financial Dashboard from Scratch in Tableau - Day 1

#10- How catalyst optimizer chooses join strategy in Databricks

#9- What is Catalyst Optimizer in Databricks Physical & Logical Plan Demo in Databricks

#8 - Parquet vs Delta Fix tiny file problem in Databricks

#7 - What is tiny file problem in Databricks Effects and Solution

#6 - What is Lazy Evaluation and DAG with simple example in databricks

#5- Difference between Resilient Distributed Dataset(RDD) and Data frame with simple example

#4 - What is Resilient Distributed Data Set (RDD) with simple example

#3- What is shufflingExchange and its inner mechanism in Databricks

#2 - How Apache Spark breaks up a single job into multiple stages Practical Example in Databricks

Data Alerts in Databricks Nicely Conditionally Formatted table in Databricks

#1 - What is Apache Spark and its key concept in a simple terms

Top 7 techniques of writing better queries in PostgreSQL

De-identifying PII in Databricks

Handling PII in Databricks

Data Warehouse Vs Data Lake Vs Delta Lake Vs Lakehouse in simple terms

What is Databricks in simple terms

Handling Duplication- Case VII-XI

Handling Duplication Based on Address- Case VI

Handling Duplication in SQL Server - Case I - V

11 Ways to Handle Duplication in SQL Server- Introduction

Into to EDA Baby Step for Data Science

Data Cleaning using Regex in Pandas Data Frame

Manipulating text using Regular Expression in python

Configure, Import, Create Pipeline to Auto-Ingest S3 data to Snowflake from Scratch-Day 2

Data Warehouse Why Snowflake CSV file Import S3 Access- Day 1

Handling text in python

Cohort Retention Rate Analysis in Python

Filters, Annotations, Icons, Collapsible containers in Tableau

Basic Numpy in Python (Difference between Array vs List vs Numpy)