Forwarded from Machine Learning with Python
Free Certification Courses to Learn Data Analytics in 2025:
1. Python
๐ https://imp.i384100.net/5gmXXo
2. SQL
๐ https://edx.org/learn/relational-databases/stanford-university-databases-relational-databases-and-sql
3. Statistics and R
๐ https://edx.org/learn/r-programming/harvard-university-statistics-and-r
4. Data Science: R Basics
๐https://edx.org/learn/r-programming/harvard-university-data-science-r-basics
5. Excel and PowerBI
๐ https://learn.microsoft.com/en-gb/training/paths/modern-analytics/
6. Data Science: Visualization
๐https://edx.org/learn/data-visualization/harvard-university-data-science-visualization
7. Data Science: Machine Learning
๐https://edx.org/learn/machine-learning/harvard-university-data-science-machine-learning
8. R
๐https://imp.i384100.net/rQqomy
9. Tableau
๐https://imp.i384100.net/MmW9b3
10. PowerBI
๐ https://lnkd.in/dpmnthEA
11. Data Science: Productivity Tools
๐ https://lnkd.in/dGhPYg6N
12. Data Science: Probability
๐https://mygreatlearning.com/academy/learn-for-free/courses/probability-for-data-science
13. Mathematics
๐http://matlabacademy.mathworks.com
14. Statistics
๐ https://lnkd.in/df6qksMB
15. Data Visualization
๐https://imp.i384100.net/k0X6vx
16. Machine Learning
๐ https://imp.i384100.net/nLbkN9
17. Deep Learning
๐ https://imp.i384100.net/R5aPOR
18. Data Science: Linear Regression
๐https://pll.harvard.edu/course/data-science-linear-regression/2023-10
19. Data Science: Wrangling
๐https://edx.org/learn/data-science/harvard-university-data-science-wrangling
20. Linear Algebra
๐ https://pll.harvard.edu/course/data-analysis-life-sciences-2-introduction-linear-models-and-matrix-algebra
21. Probability
๐ https://pll.harvard.edu/course/data-science-probability
22. Introduction to Linear Models and Matrix Algebra
๐https://edx.org/learn/linear-algebra/harvard-university-introduction-to-linear-models-and-matrix-algebra
23. Data Science: Capstone
๐ https://edx.org/learn/data-science/harvard-university-data-science-capstone
24. Data Analysis
๐ https://pll.harvard.edu/course/data-analysis-life-sciences-4-high-dimensional-data-analysis
25. IBM Data Science Professional Certificate
https://imp.i384100.net/9gxbbY
26. Neural Networks and Deep Learning
https://imp.i384100.net/DKrLn2
27. Supervised Machine Learning: Regression and Classification
https://imp.i384100.net/g1KJEA
#DataAnalytics #Python #SQL #RProgramming #DataScience #MachineLearning #DeepLearning #Statistics #DataVisualization #PowerBI #Tableau #LinearRegression #Probability #DataWrangling #Excel #AI #ArtificialIntelligence #BigData #DataAnalysis #NeuralNetworks #SupervisedLearning #IBMDataScience #FreeCourses #Certification #LearnDataScience
1. Python
๐ https://imp.i384100.net/5gmXXo
2. SQL
๐ https://edx.org/learn/relational-databases/stanford-university-databases-relational-databases-and-sql
3. Statistics and R
๐ https://edx.org/learn/r-programming/harvard-university-statistics-and-r
4. Data Science: R Basics
๐https://edx.org/learn/r-programming/harvard-university-data-science-r-basics
5. Excel and PowerBI
๐ https://learn.microsoft.com/en-gb/training/paths/modern-analytics/
6. Data Science: Visualization
๐https://edx.org/learn/data-visualization/harvard-university-data-science-visualization
7. Data Science: Machine Learning
๐https://edx.org/learn/machine-learning/harvard-university-data-science-machine-learning
8. R
๐https://imp.i384100.net/rQqomy
9. Tableau
๐https://imp.i384100.net/MmW9b3
10. PowerBI
๐ https://lnkd.in/dpmnthEA
11. Data Science: Productivity Tools
๐ https://lnkd.in/dGhPYg6N
12. Data Science: Probability
๐https://mygreatlearning.com/academy/learn-for-free/courses/probability-for-data-science
13. Mathematics
๐http://matlabacademy.mathworks.com
14. Statistics
๐ https://lnkd.in/df6qksMB
15. Data Visualization
๐https://imp.i384100.net/k0X6vx
16. Machine Learning
๐ https://imp.i384100.net/nLbkN9
17. Deep Learning
๐ https://imp.i384100.net/R5aPOR
18. Data Science: Linear Regression
๐https://pll.harvard.edu/course/data-science-linear-regression/2023-10
19. Data Science: Wrangling
๐https://edx.org/learn/data-science/harvard-university-data-science-wrangling
20. Linear Algebra
๐ https://pll.harvard.edu/course/data-analysis-life-sciences-2-introduction-linear-models-and-matrix-algebra
21. Probability
๐ https://pll.harvard.edu/course/data-science-probability
22. Introduction to Linear Models and Matrix Algebra
๐https://edx.org/learn/linear-algebra/harvard-university-introduction-to-linear-models-and-matrix-algebra
23. Data Science: Capstone
๐ https://edx.org/learn/data-science/harvard-university-data-science-capstone
24. Data Analysis
๐ https://pll.harvard.edu/course/data-analysis-life-sciences-4-high-dimensional-data-analysis
25. IBM Data Science Professional Certificate
https://imp.i384100.net/9gxbbY
26. Neural Networks and Deep Learning
https://imp.i384100.net/DKrLn2
27. Supervised Machine Learning: Regression and Classification
https://imp.i384100.net/g1KJEA
#DataAnalytics #Python #SQL #RProgramming #DataScience #MachineLearning #DeepLearning #Statistics #DataVisualization #PowerBI #Tableau #LinearRegression #Probability #DataWrangling #Excel #AI #ArtificialIntelligence #BigData #DataAnalysis #NeuralNetworks #SupervisedLearning #IBMDataScience #FreeCourses #Certification #LearnDataScience
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#๐ฆ๐ค๐ ๐๐ป๐๐ฒ๐ฟ๐๐ถ๐ฒ๐ ๐๐ต๐ฒ๐ฎ๐๐๐ต๐ฒ๐ฒ๐ โ ๐๐ฟ๐ฎ๐ฐ๐ธ ๐๐ป๐ ๐๐ป๐๐ฒ๐ฟ๐๐ถ๐ฒ๐ ๐ช๐ถ๐๐ต ๐ง๐ต๐ฒ๐๐ฒ ๐๐ผ๐ป๐ฐ๐ฒ๐ฝ๐๐
โ ๐ญ. ๐ฆ๐ค๐ ๐๐ผ๐ถ๐ป๐ โ Combine data from multiple tables
๐ก INNER JOIN โ Returns matching records from both tables
๐ก LEFT JOIN โ Returns all records from the left table + matches from the right
๐ก RIGHT JOIN โ Returns all records from the right table + matches from the left
๐ก FULL JOIN โ Returns all records from both tables
โ ๐ฎ. ๐๐๐ง๐ ๐๐๐๐ง๐๐ฅ๐๐ก๐ โ Retrieve specific records efficiently
๐ก WHERE โ Filters rows before aggregation
๐ก HAVING โ Filters after aggregation
๐ก BETWEEN, IN, LIKE โ Advanced filtering
โ ๐ฏ. ๐๐๐๐ฅ๐๐๐๐ง๐๐ข๐ก & ๐๐ฅ๐ข๐จ๐ฃ๐๐ก๐ โ Summarize data
๐ก GROUP BY โ Groups data based on a column
๐ก COUNT, SUM, AVG, MIN, MAX โ Perform calculations
โ ๐ฐ. ๐ฆ๐จ๐๐ค๐จ๐๐ฅ๐๐๐ฆ & ๐๐ง๐๐ โ Break complex queries
๐ก Subquery โ Nested query inside another query
๐ก Common Table Expressions (CTE) โ Temporary named query
โ ๐ฑ. ๐๐ก๐๐๐ซ๐๐ก๐ & ๐ข๐ฃ๐ง๐๐ ๐๐ญ๐๐ง๐๐ข๐ก โ Speed up queries
๐ก Indexes โ Improve search speed
๐ก EXPLAIN PLAN โ Analyze query performance
โ ๐ฒ. ๐๐๐ฉ๐๐ก๐๐๐ ๐ฆ๐ค๐ ๐ง๐ข๐ฃ๐๐๐ฆ
๐ก Window Functions โ RANK, ROW_NUMBER, LEAD, LAG
๐ก Stored Procedures & Triggers โ Automate tasks
๐ก Normalization & Denormalization โ Optimize database design
โก๏ธ BEST DATA SCIENCE CHANNELS ON TELEGRAM ๐
โ ๐ญ. ๐ฆ๐ค๐ ๐๐ผ๐ถ๐ป๐ โ Combine data from multiple tables
๐ก INNER JOIN โ Returns matching records from both tables
๐ก LEFT JOIN โ Returns all records from the left table + matches from the right
๐ก RIGHT JOIN โ Returns all records from the right table + matches from the left
๐ก FULL JOIN โ Returns all records from both tables
โ ๐ฎ. ๐๐๐ง๐ ๐๐๐๐ง๐๐ฅ๐๐ก๐ โ Retrieve specific records efficiently
๐ก WHERE โ Filters rows before aggregation
๐ก HAVING โ Filters after aggregation
๐ก BETWEEN, IN, LIKE โ Advanced filtering
โ ๐ฏ. ๐๐๐๐ฅ๐๐๐๐ง๐๐ข๐ก & ๐๐ฅ๐ข๐จ๐ฃ๐๐ก๐ โ Summarize data
๐ก GROUP BY โ Groups data based on a column
๐ก COUNT, SUM, AVG, MIN, MAX โ Perform calculations
โ ๐ฐ. ๐ฆ๐จ๐๐ค๐จ๐๐ฅ๐๐๐ฆ & ๐๐ง๐๐ โ Break complex queries
๐ก Subquery โ Nested query inside another query
๐ก Common Table Expressions (CTE) โ Temporary named query
โ ๐ฑ. ๐๐ก๐๐๐ซ๐๐ก๐ & ๐ข๐ฃ๐ง๐๐ ๐๐ญ๐๐ง๐๐ข๐ก โ Speed up queries
๐ก Indexes โ Improve search speed
๐ก EXPLAIN PLAN โ Analyze query performance
โ ๐ฒ. ๐๐๐ฉ๐๐ก๐๐๐ ๐ฆ๐ค๐ ๐ง๐ข๐ฃ๐๐๐ฆ
๐ก Window Functions โ RANK, ROW_NUMBER, LEAD, LAG
๐ก Stored Procedures & Triggers โ Automate tasks
๐ก Normalization & Denormalization โ Optimize database design
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SQL Query Optimaztion.pdf
897.9 KB
Your SQL query is running.
And running.
And ruuunnniiiiiiiing....โฑ๏ธโฑ๏ธโฑ๏ธโฑ๏ธ
Not so great for a tool meant to enable us quicker access to data, right?
Swipe for a few tips on how to optimize your #SQL queries, and not let them become a bottleneck in your reporting process.
๐ Our Telegram channels: https://xn--r1a.website/addlist/0f6vfFbEMdAwODBk
๐ฑ Our WhatsApp channel: https://whatsapp.com/channel/0029VaC7Weq29753hpcggW2A
And running.
And ruuunnniiiiiiiing....โฑ๏ธโฑ๏ธโฑ๏ธโฑ๏ธ
Not so great for a tool meant to enable us quicker access to data, right?
Swipe for a few tips on how to optimize your #SQL queries, and not let them become a bottleneck in your reporting process.
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SQL cheatsheet for download.
#SQL #SQLCheatSheet #Database #DataAnalysis #LearnSQL #SQLQueries #DataScience #DatabaseManagement #FreeDownload #SQLForBeginners
โ๏ธ Our Telegram channels: https://xn--r1a.website/addlist/0f6vfFbEMdAwODBk๐ฑ Our WhatsApp channel: https://whatsapp.com/channel/0029VaC7Weq29753hpcggW2A
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SQL interview.pdf
3.9 MB
SQL Optimization Interview Questions
#SQL #SQLCheatSheet #Database #DataAnalysis #LearnSQL #SQLQueries #DataScience #DatabaseManagement #FreeDownload #SQLForBeginners
โ๏ธ Our Telegram channels: https://xn--r1a.website/addlist/0f6vfFbEMdAwODBk
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๐ How to Design Structured Database Systems Using SQL [Full Book]
โ๏ธ Daniel Garcรญa Solla
๐ท๏ธ #SQL
โ๏ธ Daniel Garcรญa Solla
๐ท๏ธ #SQL
300 Real Time SQL Interview.pdf
4.5 MB
300 Real Time SQL Interview practical Questions Asked at multiple companies
โขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโข
Anyone who's preparing for an interview just reading theoretical concept will not help definitely you need to have practical hands on in #sql so create table with some data and try this queries running by your self so can help you to understand the logic of similar kind of queries
If you're preparing for an interview this doc will help a lot in the perpetration If you're experienced also freshers can also get hands on by practicing these queries and get confidence.
โขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโขโข
Anyone who's preparing for an interview just reading theoretical concept will not help definitely you need to have practical hands on in #sql so create table with some data and try this queries running by your self so can help you to understand the logic of similar kind of queries
If you're preparing for an interview this doc will help a lot in the perpetration If you're experienced also freshers can also get hands on by practicing these queries and get confidence.
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Important SQL concepts to master.pdf
3 MB
Important #SQL concepts to master:
- Joins (inner, left, right, full)
- Group By vs Where vs Having
- Window functions (ROW_NUMBER, RANK, DENSE_RANK)
- CTEs (Common Table Expressions)
- Subqueries and nested queries
- Aggregations and filtering
- Indexing and performance basics
- NULL handling
Interview Tips:
- Focus on writing clean, readable queries
- Explain your logic clearly donโt just jump to #code
- Always test for edge cases (empty tables, duplicate rows)
- Practice optimization: how would you improve performance?
https://xn--r1a.website/DataAnalyticsXโญ
- Joins (inner, left, right, full)
- Group By vs Where vs Having
- Window functions (ROW_NUMBER, RANK, DENSE_RANK)
- CTEs (Common Table Expressions)
- Subqueries and nested queries
- Aggregations and filtering
- Indexing and performance basics
- NULL handling
Interview Tips:
- Focus on writing clean, readable queries
- Explain your logic clearly donโt just jump to #code
- Always test for edge cases (empty tables, duplicate rows)
- Practice optimization: how would you improve performance?
https://xn--r1a.website/DataAnalyticsX
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SQL Ultimate Cheat Sheet
Standard #SQL, Queries & Management
https://xn--r1a.website/DataAnalyticsX๐พ
Standard #SQL, Queries & Management
https://xn--r1a.website/DataAnalyticsX
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SQL Cheat Sheet for Interview 2026
Master #SQL with this cheat sheet, covering querying, commands, filtering, aggregation and basics to advance. Perfect for coding interviews and tech job prep
Read: https://www.almabetter.com/bytes/cheat-sheet/sql
https://xn--r1a.website/DataAnalyticsXโค๏ธ
Master #SQL with this cheat sheet, covering querying, commands, filtering, aggregation and basics to advance. Perfect for coding interviews and tech job prep
Read: https://www.almabetter.com/bytes/cheat-sheet/sql
https://xn--r1a.website/DataAnalyticsX
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SQL Basics.pdf
102.8 KB
๐ป Collection of cheat sheets on SQL
I've gathered for you short and understandable cheat sheets on the main topics:
โถ๏ธ Basics of the SQL language;
โถ๏ธ JOINs with clear examples;
โถ๏ธ Window functions;
โถ๏ธ SQL for data analysis.
An excellent set to refresh your knowledge before a job interview or quickly recall the syntax.
tags: #sql #useful
https://xn--r1a.website/DataAnalyticsX
I've gathered for you short and understandable cheat sheets on the main topics:
โถ๏ธ Basics of the SQL language;
โถ๏ธ JOINs with clear examples;
โถ๏ธ Window functions;
โถ๏ธ SQL for data analysis.
An excellent set to refresh your knowledge before a job interview or quickly recall the syntax.
tags: #sql #useful
https://xn--r1a.website/DataAnalyticsX
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AโZDictionaryofData.pdf
1008.6 KB
Data is everywhere. Clarity is rare.โฃ
โฃ
โฃ
Behind every dashboard, SQL query, or machine learning model lies a common challenge โ understanding the language of data.โฃ
โฃ
โฃ
The ๐โ๐ ๐๐ข๐๐ญ๐ข๐จ๐ง๐๐ซ๐ฒ ๐จ๐ ๐๐๐ญ๐ ๐๐ง๐๐ฅ๐ฒ๐ญ๐ข๐๐ฌ & ๐๐ฎ๐ฌ๐ข๐ง๐๐ฌ๐ฌ ๐๐ง๐ญ๐๐ฅ๐ฅ๐ข๐ ๐๐ง๐๐ brings together 500+ essential terms across SQL, Python, Power BI, Excel, Statistics, and Machine Learning in one structured reference. โฃ
โฃ
โฃ
This is the layer many professionals underestimate.โฃ
Not tools. Not dashboards.โฃ
But the ability to understand, interpret, and communicate concepts with precision.โฃ
โฃ
โฃ
๐๐ก๐๐ญ ๐ฆ๐๐ค๐๐ฌ ๐ญ๐ก๐ข๐ฌ ๐ฏ๐๐ฅ๐ฎ๐๐๐ฅ๐:โฃ
- Clear definitions without unnecessary complexityโฃ
- Concepts connected across tools and domainsโฃ
- Coverage from foundational terms to advanced analytics conceptsโฃ
- Useful for both technical execution and business communicationโฃ
โฃ
โฃ
๐๐ก๐๐ซ๐ ๐ญ๐ก๐ข๐ฌ ๐๐๐๐จ๐ฆ๐๐ฌ ๐ข๐ฆ๐ฉ๐๐๐ญ๐๐ฎ๐ฅ:โฃ
- During interviews, when explaining concepts matters more than just knowing themโฃ
- In projects, where misinterpreting a term can lead to incorrect insightsโฃ
- In stakeholder discussions, where clarity builds credibilityโฃ
- In learning journeys, where structured understanding accelerates growthโฃ
โฃ
โฃ
๐๐ญ๐ซ๐จ๐ง๐ ๐๐๐ญ๐ ๐ฉ๐ซ๐จ๐๐๐ฌ๐ฌ๐ข๐จ๐ง๐๐ฅ๐ฌ ๐๐จ๐งโ๐ญ ๐ฃ๐ฎ๐ฌ๐ญ ๐ฐ๐จ๐ซ๐ค ๐ฐ๐ข๐ญ๐ก ๐๐๐ญ๐. ๐๐ก๐๐ฒ ๐ฌ๐ฉ๐๐๐ค ๐ข๐ญ๐ฌ ๐ฅ๐๐ง๐ ๐ฎ๐๐ ๐ ๐ฐ๐ข๐ญ๐ก ๐๐จ๐ง๐๐ข๐๐๐ง๐๐.โฃ
โฃ
โฃ
#DataAnalytics #BusinessIntelligence #DataScience #SQL #Python #PowerBI #Excel #MachineLearning #Statistics #DataEngineering #AnalyticsCareer #DataLearning #DataProfessionals #CareerGrowth #InterviewPreparation
https://xn--r1a.website/DataAnalyticsX
โฃ
โฃ
Behind every dashboard, SQL query, or machine learning model lies a common challenge โ understanding the language of data.โฃ
โฃ
โฃ
The ๐โ๐ ๐๐ข๐๐ญ๐ข๐จ๐ง๐๐ซ๐ฒ ๐จ๐ ๐๐๐ญ๐ ๐๐ง๐๐ฅ๐ฒ๐ญ๐ข๐๐ฌ & ๐๐ฎ๐ฌ๐ข๐ง๐๐ฌ๐ฌ ๐๐ง๐ญ๐๐ฅ๐ฅ๐ข๐ ๐๐ง๐๐ brings together 500+ essential terms across SQL, Python, Power BI, Excel, Statistics, and Machine Learning in one structured reference. โฃ
โฃ
โฃ
This is the layer many professionals underestimate.โฃ
Not tools. Not dashboards.โฃ
But the ability to understand, interpret, and communicate concepts with precision.โฃ
โฃ
โฃ
๐๐ก๐๐ญ ๐ฆ๐๐ค๐๐ฌ ๐ญ๐ก๐ข๐ฌ ๐ฏ๐๐ฅ๐ฎ๐๐๐ฅ๐:โฃ
- Clear definitions without unnecessary complexityโฃ
- Concepts connected across tools and domainsโฃ
- Coverage from foundational terms to advanced analytics conceptsโฃ
- Useful for both technical execution and business communicationโฃ
โฃ
โฃ
๐๐ก๐๐ซ๐ ๐ญ๐ก๐ข๐ฌ ๐๐๐๐จ๐ฆ๐๐ฌ ๐ข๐ฆ๐ฉ๐๐๐ญ๐๐ฎ๐ฅ:โฃ
- During interviews, when explaining concepts matters more than just knowing themโฃ
- In projects, where misinterpreting a term can lead to incorrect insightsโฃ
- In stakeholder discussions, where clarity builds credibilityโฃ
- In learning journeys, where structured understanding accelerates growthโฃ
โฃ
โฃ
๐๐ญ๐ซ๐จ๐ง๐ ๐๐๐ญ๐ ๐ฉ๐ซ๐จ๐๐๐ฌ๐ฌ๐ข๐จ๐ง๐๐ฅ๐ฌ ๐๐จ๐งโ๐ญ ๐ฃ๐ฎ๐ฌ๐ญ ๐ฐ๐จ๐ซ๐ค ๐ฐ๐ข๐ญ๐ก ๐๐๐ญ๐. ๐๐ก๐๐ฒ ๐ฌ๐ฉ๐๐๐ค ๐ข๐ญ๐ฌ ๐ฅ๐๐ง๐ ๐ฎ๐๐ ๐ ๐ฐ๐ข๐ญ๐ก ๐๐จ๐ง๐๐ข๐๐๐ง๐๐.โฃ
โฃ
โฃ
#DataAnalytics #BusinessIntelligence #DataScience #SQL #Python #PowerBI #Excel #MachineLearning #Statistics #DataEngineering #AnalyticsCareer #DataLearning #DataProfessionals #CareerGrowth #InterviewPreparation
https://xn--r1a.website/DataAnalyticsX
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AI for Data Processing and Analytics ๐ค๐
Hex โ a platform that helps analyze data through SQL and Python, automating most routine tasks ๐๐ป
What it can do: โจ๐
โข generate SQL queries and Python code ๐พ๐งฉ
โข build charts and dashboards ๐๐
โข explain results and answer questions in simple language ๐ฃ๐ง
โข allow you to quickly create a report or a data app ๐๐ฑ
Link: https://hex.tech/ ๐๐
#DataAnalytics #HexTech #SQL #Python #Automation #DataScience
https://xn--r1a.website/DataAnalyticsXโ๏ธ
Hex โ a platform that helps analyze data through SQL and Python, automating most routine tasks ๐๐ป
What it can do: โจ๐
โข generate SQL queries and Python code ๐พ๐งฉ
โข build charts and dashboards ๐๐
โข explain results and answer questions in simple language ๐ฃ๐ง
โข allow you to quickly create a report or a data app ๐๐ฑ
Link: https://hex.tech/ ๐๐
#DataAnalytics #HexTech #SQL #Python #Automation #DataScience
https://xn--r1a.website/DataAnalyticsX
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