๐ Simply SQL (2024)
1โฃ Join Channel Download:
https://t.iss.one/+MhmkscCzIYQ2MmM8
2โฃ Download Book: https://t.iss.one/c/1854405158/1566
๐ฌ Tags: #SQL
๐ BEST DATA SCIENCE CHANNELS ON TELEGRAM ๐
1โฃ Join Channel Download:
https://t.iss.one/+MhmkscCzIYQ2MmM8
2โฃ Download Book: https://t.iss.one/c/1854405158/1566
๐ฌ Tags: #SQL
๐ BEST DATA SCIENCE CHANNELS ON TELEGRAM ๐
๐10โค1
๐ SQL QuickStart Guide (2024)
1โฃ Join Channel Download:
https://t.iss.one/+MhmkscCzIYQ2MmM8
2โฃ Download Book: https://t.iss.one/c/1854405158/1591
๐ฌ Tags: #SQL
๐ BEST DATA SCIENCE CHANNELS ON TELEGRAM ๐
1โฃ Join Channel Download:
https://t.iss.one/+MhmkscCzIYQ2MmM8
2โฃ Download Book: https://t.iss.one/c/1854405158/1591
๐ฌ Tags: #SQL
๐ BEST DATA SCIENCE CHANNELS ON TELEGRAM ๐
๐6
๐ Practical SQL (2024)
1โฃ Join Channel Download:
https://t.iss.one/+MhmkscCzIYQ2MmM8
2โฃ Download Book: https://t.iss.one/c/1854405158/1714
๐ฌ Tags: #SQL
๐ BEST DATA SCIENCE CHANNELS ON TELEGRAM ๐
1โฃ Join Channel Download:
https://t.iss.one/+MhmkscCzIYQ2MmM8
2โฃ Download Book: https://t.iss.one/c/1854405158/1714
๐ฌ Tags: #SQL
๐ BEST DATA SCIENCE CHANNELS ON TELEGRAM ๐
๐5
๐ NoSQL and SQL Data Modeling (2019)
1โฃ Join Channel Download:
https://t.iss.one/+MhmkscCzIYQ2MmM8
2โฃ Download Book: https://t.iss.one/c/1854405158/1867
๐ฌ Tags: #NoSQL #SQL
USEFUL CHANNELS FOR YOU
1โฃ Join Channel Download:
https://t.iss.one/+MhmkscCzIYQ2MmM8
2โฃ Download Book: https://t.iss.one/c/1854405158/1867
๐ฌ Tags: #NoSQL #SQL
USEFUL CHANNELS FOR YOU
โค2
๐ SQL: 68 Things Beginners Need to Know
1โฃ Join Channel Download:
https://t.iss.one/+MhmkscCzIYQ2MmM8
2โฃ Download Book: https://t.iss.one/c/1854405158/1878
๐ฌ Tags: #SQL
USEFUL CHANNELS FOR YOU
1โฃ Join Channel Download:
https://t.iss.one/+MhmkscCzIYQ2MmM8
2โฃ Download Book: https://t.iss.one/c/1854405158/1878
๐ฌ Tags: #SQL
USEFUL CHANNELS FOR YOU
๐4โค1
Hereโs a roadmap to get you started, step-by-step!
(Don't forget to bookmark for later!!
#SQL #ROADMAP
https://t.iss.one/Ebooks2023
Please open Telegram to view this post
VIEW IN TELEGRAM
๐5
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
๐https://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
๐https://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
๐3๐ฅ1
20 most common SQL Interview Questions.
#SQL #Interview
Donโt skip no. 15๐ฅ๐ท
https://t.iss.one/Ebooks2023
#SQL #Interview
Donโt skip no. 15๐ฅ๐ท
https://t.iss.one/Ebooks2023
๐3
๐4
๐1๐ฅ1
#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
Please open Telegram to view this post
VIEW IN TELEGRAM
๐7โค3
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://t.iss.one/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.
Please open Telegram to view this post
VIEW IN TELEGRAM
โค5๐2
SQL cheatsheet for download.
#SQL #SQLCheatSheet #Database #DataAnalysis #LearnSQL #SQLQueries #DataScience #DatabaseManagement #FreeDownload #SQLForBeginners
โ๏ธ Our Telegram channels: https://t.iss.one/addlist/0f6vfFbEMdAwODBk๐ฑ Our WhatsApp channel: https://whatsapp.com/channel/0029VaC7Weq29753hpcggW2A
Please open Telegram to view this post
VIEW IN TELEGRAM
โค5
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://t.iss.one/addlist/0f6vfFbEMdAwODBk
Please open Telegram to view this post
VIEW IN TELEGRAM
โค4
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.
โค2