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Posts con #learningSQL

#learningSQL

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  2. Priyanshu@prynsustwt
    Day4 of #learningSQL in 5 days (Yesterday missed post) - practice more questions - learnt about (row_number, rank, dense_rank) window functions - did easy, medium level leetcode question around that topic - started learning JOINS in sql That's it ✨ See you later 👋
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  5. Orkun Tahir Aran, PhD@orc_arn
    Chapter 8: Grouping and Aggregate functions of #LearningSQL @OReillyMedia This thread will be a brief summary and a short one. Let's dive in
    Orkun Tahir Aran, PhD @orc_arn
    Tomorrow I will start to read this gem, part by part every day, and share my notes here. Time to dive deep in #SQL
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  6. Orkun Tahir Aran, PhD@orc_arn
    Tomorrow I will start to read this gem, part by part every day, and share my notes here. Time to dive deep in #SQL
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  8. Priyanshu@prynsustwt
    Day 5 of #LearningSQL in 5 days (Yesterday missed post) - Lots of practice - Learnt Joins (Inner, left, right, cross joins) in. SQL and practice - Learnt about Case Statement and practice With that SQL has finished ✨ What are you all learning guys? #LearnInPublic #sql
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  9. Moyiné@Moyineee
    Data Analysis Learning - Part 2 Learning SQL GM guys 👋 Hope you’re good. Today was a very lazy day, but I’m still here 🫠. I learned about JOINS in SQL. There are four types of joins. I’ll explain the ones I learned using Table A and Table B. From my understanding:
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    Moyiné @Moyineee
    Data Analysis Learning - Part 2 Learning SQL GM guys 👋 Hope you’re good. Today, I learned about NULL values in SQL and solved some practice questions.
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  10. Moyiné@Moyineee
    Data Analysis Learning - Part 2 Learning SQL GM guys 👋 Hope you’re good. Today, I learned about NULL values in SQL and solved some practice questions.
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    Moyiné @Moyineee
    Data Analysis Learning - Part 2 Learning SQL GM guys 👋 Hope you’re good. Today, I practiced aggregate functions using practice questions from the SQL video I’m learning from. The first question gave me some trouble, but I solved it after taking a long break.
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  11. Moyiné@Moyineee
    @Moyineee
    3️⃣ INNER JOIN Returns only values that exist in both Table A and Table B. If a value isn’t present in both tables, it won’t be returned. There’s one more join that I didn’t learn today. I’ll continue from this in tomorrow’s lesson.
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  14. Priyanshu@prynsustwt
    Day 1 of #learningSQL in 5 days - Started learning < Revising SQL Database from Today : ) - Learnt basic database query commands, clauses, operators - CREATE, SELECT, WHERE, LOGICAL OPERATOR, ORDER BY, GROUP BY, HAVING, LIMIT & ALIASING, Aggregate functions. #sql #database : )
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  15. Orkun Tahir Aran, PhD@orc_arn
    1⃣Hi everyone, let's start as promised yesterday. A quick note before starting, check @levikul09 for statistics and python related information. These tweets are my notes from @OReillyMedia #LearningSQL book chapter 1. All the credit goes to that book.
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  18. Esther 💙@Etty_official
    I move again today ; Day 6 of #100DaysOfSQL Today I learned the difference between WHERE and HAVING in SQL: - WHERE filters rows before grouping - HAVING filters groups after GROUP BY` #SQL #LearningSQL
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  19. Esther 💙@Etty_official
    @Etty_official
    I move again today ; Day 6 of #100DaysOfSQL Today I learned the difference between WHERE and HAVING in SQL: - WHERE filters rows before grouping - HAVING filters groups after GROUP BY #SQL #LearningSQL
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    215102
  20. Priyanshu@prynsustwt
    Day2 of #learningSQL in 5 days - Learnt about constraint in SQL (Primary key, Unique key, Foreign key, Not null, Check and Default). - Deep dive into Group by, Order by, Having clauses and practise questions. - Learnt about how to DELETE OR UPDATE data and practice. #Database
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  22. Priyanshu@prynsustwt
    Day 3 of #learningSQL in 5 Days - Not done much but - learnt window and ranking functions in SQL - solved questions for practice - little sketching That's it ✨ See you later 👋 #LearnInPublic #SQL
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  23. The Data Boy@Fortune_star01
    Just updated my MySQL playlist on YouTube. This new episode covers ORDER BY, sorting, LIMIT, and using DISTINCT to clean results. Simple concepts, but essential for real data analysis. Watch the update on my channel The Data Boy: #SQL #MySQL #learningsql
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  24. Moyiné@Moyineee
    Data Analysis Learning - Part 2 Learning SQL GM guys 👋 Hope you’re good. Today, I practiced aggregate functions using practice questions from the SQL video I’m learning from. The first question gave me some trouble, but I solved it after taking a long break.
    Descargar
    125106
  25. Moyiné@Moyineee
    @Moyineee
    From my understanding, NULL values represent empty cells or fields. Fields that contain nothing at all, not even spaces (like ' '). In general, 0 is greater than NULL, but in some arithmetic operations, NULL can be treated as zero depending on how the operation is handled.
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  27. Moyiné@Moyineee
    Data Analyst Learning - Part 2 Learning SQL GM guys, Hope you’re doing great. Here’s a quick update on what’s been happening with me after learning MS Excel.
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  28. Moyiné@Moyineee
    @Moyineee
    After Excel, I took a short break, started and completed posting my Data Analyst 2026 Roadmap thread series, and then moved on to SQL. I started learning SQL on January 14th, but paused briefly to finish the DA roadmap thread series. I picked SQL back up on the 21st.
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