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SNOWFLAKES AND DATABRICKS

Snowflake and Databricks
are leading cloud data platforms, but how do you choose the right one for your needs?

๐ŸŒ  ๐’๐ง๐จ๐ฐ๐Ÿ๐ฅ๐š๐ค๐ž

โ„๏ธ ๐๐š๐ญ๐ฎ๐ซ๐ž: Snowflake operates as a cloud-native data warehouse-as-a-service, streamlining data storage and management without the need for complex infrastructure setup.

โ„๏ธ ๐’๐ญ๐ซ๐ž๐ง๐ ๐ญ๐ก๐ฌ: It provides robust ELT (Extract, Load, Transform) capabilities primarily through its COPY command, enabling efficient data loading.
โ„๏ธ  Snowflake offers dedicated schema and file object definitions, enhancing data organization and accessibility.

โ„๏ธ  ๐…๐ฅ๐ž๐ฑ๐ข๐›๐ข๐ฅ๐ข๐ญ๐ฒ: One of its standout features is the ability to create multiple independent compute clusters that can operate on a single data copy. This flexibility allows for enhanced resource allocation based on varying workloads.

โ„๏ธ ๐ƒ๐š๐ญ๐š ๐„๐ง๐ ๐ข๐ง๐ž๐ž๐ซ๐ข๐ง๐ : While Snowflake primarily adopts an ELT approach, it seamlessly integrates with popular third-party ETL tools such as Fivetran, Talend, and supports DBT installation. This integration makes it a versatile choice for organizations looking to leverage existing tools.

๐ŸŒ ๐ƒ๐š๐ญ๐š๐›๐ซ๐ข๐œ๐ค๐ฌ

โ„๏ธ  ๐‚๐จ๐ซ๐ž: Databricks is fundamentally built around processing power, with native support for Apache Spark, making it an exceptional platform for ETL tasks. This integration allows users to perform complex data transformations efficiently.

โ„๏ธ ๐’๐ญ๐จ๐ซ๐š๐ ๐ž: It utilizes a 'data lakehouse' architecture, which combines the features of a data lake with the ability to run SQL queries. This model is gaining traction as organizations seek to leverage both structured and unstructured data in a unified framework.

๐ŸŒ ๐Š๐ž๐ฒ ๐“๐š๐ค๐ž๐š๐ฐ๐š๐ฒ๐ฌ

โ„๏ธ ๐ƒ๐ข๐ฌ๐ญ๐ข๐ง๐œ๐ญ ๐๐ž๐ž๐๐ฌ: Both Snowflake and Databricks excel in their respective areas, addressing different data management requirements.

โ„๏ธ ๐’๐ง๐จ๐ฐ๐Ÿ๐ฅ๐š๐ค๐žโ€™๐ฌ ๐ˆ๐๐ž๐š๐ฅ ๐”๐ฌ๐ž ๐‚๐š๐ฌ๐ž: If you are equipped with established ETL tools like Fivetran, Talend, or Tibco, Snowflake could be the perfect choice. It efficiently manages the complexities of database infrastructure, including partitioning, scalability, and indexing.

โ„๏ธ ๐ƒ๐š๐ญ๐š๐›๐ซ๐ข๐œ๐ค๐ฌ ๐Ÿ๐จ๐ซ ๐‚๐จ๐ฆ๐ฉ๐ฅ๐ž๐ฑ ๐‹๐š๐ง๐๐ฌ๐œ๐š๐ฉ๐ž๐ฌ: Conversely, if your organization deals with a complex data landscape characterized by unpredictable sources and schemas, Databricksโ€”with its schema-on-read techniqueโ€”may be more advantageous.

๐ŸŒ ๐‚๐จ๐ง๐œ๐ฅ๐ฎ๐ฌ๐ข๐จ๐ง:

Ultimately, the decision between Snowflake and Databricks should align with your specific data needs and organizational goals. Both platforms have established their niches, and understanding their strengths will guide you in selecting the right tool for your data strategy.
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Data Engineering Tools:

Apache Hadoop ๐Ÿ—‚๏ธ โ€“ Distributed storage and processing for big data

Apache Spark โšก โ€“ Fast, in-memory processing for large datasets

Airflow ๐Ÿฆ‹ โ€“ Orchestrating complex data workflows

Kafka ๐Ÿฆ โ€“ Real-time data streaming and messaging

ETL Tools (e.g., Talend, Fivetran) ๐Ÿ”„ โ€“ Extract, transform, and load data pipelines

dbt ๐Ÿ”ง โ€“ Data transformation and analytics engineering

Snowflake โ„๏ธ โ€“ Cloud-based data warehousing

Google BigQuery ๐Ÿ“Š โ€“ Managed data warehouse for big data analysis

Redshift ๐Ÿ”ด โ€“ Amazonโ€™s scalable data warehouse

MongoDB Atlas ๐ŸŒฟ โ€“ Fully-managed NoSQL database service

React โค๏ธ for more

Free Resources: https://whatsapp.com/channel/0029Vaovs0ZKbYMKXvKRYi3C
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๐Ÿ“– Struggling with SQL commands
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Data Analyst vs Data Engineer: Must-Know Differences

Data Analyst:
- Role: Focuses on analyzing, interpreting, and visualizing data to extract insights that inform business decisions.
- Best For: Those who enjoy working directly with data to find patterns, trends, and actionable insights.
- Key Responsibilities:
- Collecting, cleaning, and organizing data.
- Using tools like Excel, Power BI, Tableau, and SQL to analyze data.
- Creating reports and dashboards to communicate insights to stakeholders.
- Collaborating with business teams to provide data-driven recommendations.
- Skills Required:
- Strong analytical skills and proficiency with data visualization tools.
- Expertise in SQL, Excel, and reporting tools.
- Familiarity with statistical analysis and business intelligence.
- Outcome: Data analysts focus on making sense of data to guide decision-making processes in business, marketing, finance, etc.

Data Engineer:
- Role: Focuses on designing, building, and maintaining the infrastructure that allows data to be stored, processed, and analyzed efficiently.
- Best For: Those who enjoy working with the technical aspects of data management and creating the architecture that supports large-scale data analysis.
- Key Responsibilities:
- Building and managing databases, data warehouses, and data pipelines.
- Developing and maintaining ETL (Extract, Transform, Load) processes to move data between systems.
- Ensuring data quality, accessibility, and security.
- Working with big data technologies like Hadoop, Spark, and cloud platforms (AWS, Azure, Google Cloud).
- Skills Required:
- Proficiency in programming languages like Python, Java, or Scala.
- Expertise in database management and big data tools.
- Strong understanding of data architecture and cloud technologies.
- Outcome: Data engineers focus on creating the infrastructure and pipelines that allow data to flow efficiently into systems where it can be analyzed by data analysts or data scientists.

Data analysts work with the data to extract insights and help make data-driven decisions, while data engineers build the systems and infrastructure that allow data to be stored, processed, and analyzed. Data analysts focus more on business outcomes, while data engineers are more involved with the technical foundation that supports data analysis.

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An important collection of the 15 best machine learning cheat sheets.

1- Supervised Learning

https://github.com/afshinea/stanford-cs-229-machine-learning/blob/master/en/cheatsheet-supervised-learning.pdf

2- Unsupervised Learning

https://github.com/afshinea/stanford-cs-229-machine-learning/blob/master/en/cheatsheet-unsupervised-learning.pdf

3- Deep Learning

https://github.com/afshinea/stanford-cs-229-machine-learning/blob/master/en/cheatsheet-deep-learning.pdf

4- Machine Learning Tips and Tricks

https://github.com/afshinea/stanford-cs-229-machine-learning/blob/master/en/cheatsheet-machine-learning-tips-and-tricks.pdf

5- Probabilities and Statistics

https://github.com/afshinea/stanford-cs-229-machine-learning/blob/master/en/refresher-probabilities-statistics.pdf

6- Comprehensive Stanford Master Cheat Sheet

https://github.com/afshinea/stanford-cs-229-machine-learning/blob/master/en/super-cheatsheet-machine-learning.pdf

7- Linear Algebra and Calculus

https://github.com/afshinea/stanford-cs-229-machine-learning/blob/master/en/refresher-algebra-calculus.pdf

8- Data Science Cheat Sheet

https://s3.amazonaws.com/assets.datacamp.com/blog_assets/PythonForDataScience.pdf

9- Keras Cheat Sheet

https://s3.amazonaws.com/assets.datacamp.com/blog_assets/Keras_Cheat_Sheet_Python.pdf

10- Deep Learning with Keras Cheat Sheet

https://github.com/rstudio/cheatsheets/raw/master/keras.pdf

11- Visual Guide to Neural Network Infrastructures

http://www.asimovinstitute.org/wp-content/uploads/2016/09/neuralnetworks.png

12- Skicit-Learn Python Cheat Sheet

https://s3.amazonaws.com/assets.datacamp.com/blog_assets/Scikit_Learn_Cheat_Sheet_Python.pdf

13- Scikit-learn Cheat Sheet: Choosing the Right Estimator

https://scikit-learn.org/stable/tutorial/machine_learning_map/

14- Tensorflow Cheat Sheet

https://github.com/kailashahirwar/cheatsheets-ai/blob/master/PDFs/Tensorflow.pdf

15- Machine Learning Test Cheat Sheet

https://www.cheatography.com/lulu-0012/cheat-sheets/test-ml/pdf/

ENJOY LEARNING ๐Ÿ‘๐Ÿ‘
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๐ŸŒฎ Data Analyst Vs Data Engineer Vs Data Scientist ๐ŸŒฎ


Skills required to become data analyst
๐Ÿ‘‰ Advanced Excel, Oracle/SQL
๐Ÿ‘‰ Python/R

Skills required to become data engineer
๐Ÿ‘‰ Python/ Java.
๐Ÿ‘‰ SQL, NoSQL technologies like Cassandra or MongoDB
๐Ÿ‘‰ Big data technologies like Hadoop, Hive/ Pig/ Spark

Skills required to become data Scientist
๐Ÿ‘‰ In-depth knowledge of tools like R/ Python/ SAS.
๐Ÿ‘‰ Well versed in various machine learning algorithms like scikit-learn, karas and tensorflow
๐Ÿ‘‰ SQL and NoSQL

Bonus skill required: Data Visualization (PowerBI/ Tableau) & Statistics
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