What is ETL - Kapil Sharma (Class-102/S2021)

 ETL: Extraction, Transform and Load

Its a generic process of extracting data from one or more systems and loading it into a data warehouse or databases after performing some intermediate transformations.

In simple terms, data extracted from different data sources like website, IoT, mobile apps, web-apps, ATM, PoS, SaaS, PaaS, BaaS, DB, IaaS, GPS, any electronic device which is capable to generate or collect data in different forms need to submit it in different data format format's like CSV, SQL, JSON etc. 

ETL is used for impeccable migrate data from one database to another DB. 

And this data needs to process further to drive a value out of the collected data requires a specific process and this is called ETL (Extract, Transform and Load) so that, the new processed data can be loaded in the data warehouse and later can be used for the data analysis by using BI Tools for granular level data analysis.

What is Apache Spark - Kapil Sharma (Class-101/S2021)

Apache Spark: 

Apache Spark™ is a multi-language engine for executing data engineering, data science, and machine learning on single-node machines or clusters. 

In simple terms it's a ETL tool. 

BlockChain - Kapil Sharma (Class 100/S2021)

 

Blockchain through the following attributes:

• Distributed: The distributed ledger is shared and updated in real-time with every incoming transaction among the nodes connected to the Blockchain. No central server controlling the data.
• Secure Transparent : There is no unauthorized access to Blockchain made possible through Permissions and Cryptography and every node know about all transactions. 
• Consensus-based Algo: All relevant network participants must agree that a transaction is valid by use of consensus algorithms. (POW/POC)
• Flexible: Smart Contracts which are executed based on certain conditions can be written into the platform. 

Blockchain Technology Benefits:

• Time-saving: No central Authority verification needed for settlements making the process faster and cheaper. 
• Cost-saving: Participants can share assets directly. 
• Tighter security: No one can temper with Blockchain Data as it shared among millions of Participant. 

Successful tips for a happy life. - By Kapil Sharma

1. Identity new changes by doing new things & have practical experience with regular practice is a way of gaining new successful life habits.

2. Small habits make huge changes.  

3. 80/20 princlple really works. 80% output comes with 20% actions. 

4. Increment 1% daily, leads to 30% monthly change, a bag full new super successful habits in your life.

5. How we align our approach towards our tasks leads to to success or failure regarding it. 

6. Mind maps/dreams visions are important for successful life.

   

Apple Event 2021

 Apple Event 2021

https://www.youtube.com/watch?v=EvGOlAkLSLw