Coding_knowledge
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💡 Your Coding Journey Starts Here! Get free courses, coding resources, internships, job updates & much more. Stay ahead in tech with us! ❤️🚀 Join our WhatsApp group👇 https://whatsapp.com/channel/0029Vaa7CVhCRs1rxJzy1n3D
Ko'proq ko'rsatish📈 Telegram kanali Coding_knowledge analitikasi
Coding_knowledge (@coding_knwledge01) Ingliz til segmentidagi kanali faol ishtirokchi. Hozirda hamjamiyat 79 464 obunachidan iborat bo'lib, Texnologiyalar & Aralashmalar toifasida 1 552-o'rinni va Hindiston mintaqasida 3 807-o'rinni egallagan.
📊 Auditoriya ko‘rsatkichlari va dinamika
невідомо sanasidan buyon loyiha tez o‘sib, 79 464 obunachiga ega bo‘ldi.
30 Avgust, 2026 dagi oxirgi ma’lumotlarga ko‘ra kanal barqaror faollikka ega. Oxirgi 30 kunda obunachilar soni -928 ga, so‘nggi 24 soatda esa -26 ga o‘zgardi va umumiy qamrov yuqori darajada qolmoqda.
- Tasdiqlash holati: Tasdiqlanmagan
- Jalb etish (ER): Auditoriya o‘rtacha 8.88% darajada jalb etiladi. Nashrdan keyingi dastlabki 24 soatda kontent odatda umumiy obunachilar sonining 2.64% ini tashkil etuvchi reaksiyalarni to‘playdi.
- Post qamrovi: Har bir post o‘rtacha 7 054 marta ko‘riladi; birinchi sutkada odatda 2 102 ta ko‘rish yig‘iladi.
- Reaksiyalar va o‘zaro ta’sir: Auditoriya faol: har bir postga o‘rtacha 15 ta reaksiya keladi.
- Tematik yo‘nalishlar: Kontent q&a, goody, api, stack, analyst kabi asosiy mavzularga jamlangan.
📝 Tavsif va kontent siyosati
Muallif resursni shaxsiy fikrni ifoda etish maydoni sifatida ta’riflaydi:
“💡 Your Coding Journey Starts Here!
Get free courses, coding resources, internships, job updates & much more.
Stay ahead in tech with us! ❤️🚀
Join our WhatsApp group👇
https://whatsapp.com/channel/0029Vaa7CVhCRs1rxJzy1n3D”
Yuqori yangilanish chastotasi (oxirgi ma’lumot 31 Avgust, 2026 da olingan) sababli kanal doimo dolzarb va katta qamrovli bo‘lib qoladi. Analitika auditoriya kontent bilan faol hamkorlik qilishini, uni Texnologiyalar & Aralashmalar toifasidagi muhim ta’sir nuqtasiga aylantirishini ko‘rsatadi.
79 464
Obunachilar
-2624 soatlar
-1917 kunlar
-92830 kunlar
Postlar arxiv
79 473
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|
|── *Basics*
| ├── What is SQL?
| ├── Databases & Tables
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|
|── *Data Retrieval*
| ├──
SELECT, FROM, WHERE
| ├── DISTINCT, ORDER BY, LIMIT
| └── BETWEEN, IN, LIKE, IS NULL
|
|── *Filtering & Conditions*
| ├── AND, OR, NOT
| └── Nested Conditions
|
|── *Joins*
| ├── INNER JOIN
| ├── LEFT JOIN / RIGHT JOIN
| └── FULL OUTER JOIN, SELF JOIN
|
|── *Grouping & Aggregation*
| ├── GROUP BY
| ├── Aggregate Functions: COUNT(), SUM(), AVG(), MIN(), MAX()
| └── HAVING (post-aggregation filtering)
|
|── *Subqueries & Nested SELECT*
| ├── In WHERE / FROM clauses
| └── Correlated Subqueries
|
|── *Advanced SQL*
| ├── CASE Statements
| ├── COALESCE() / NULLIF()
| └── EXISTS / NOT EXISTS
|
|── *Window Functions*
| ├── ROW_NUMBER(), RANK(), DENSE_RANK()
| ├── LEAD(), LAG()
| └── PARTITION BY, OVER()
|
|── *Common Table Expressions (CTEs)*
| ├── WITH clause
| └── Recursive CTEs
|
|── *Data Modification*
| ├── INSERT INTO, VALUES
| ├── UPDATE + SET
| └── DELETE FROM
|
|── *Database Design Concepts*
| ├── Normalization (1NF, 2NF, 3NF)
| └── Primary & Foreign Keys
|
|── *Indexes & Performance*
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|── *Tools & Platforms*
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Preparing for a SQL interview?
Focus on mastering these essential topics:
1. Joins: Get comfortable with inner, left, right, and outer joins.
Knowing when to use what kind of join is important!
2. Window Functions: Understand when to use
ROW_NUMBER, RANK(), DENSE_RANK(), LAG, and LEAD for complex analytical queries.
3. Query Execution Order: Know the sequence from FROM to
ORDER BY. This is crucial for writing efficient, error-free queries.
4. Common Table Expressions (CTEs): Use CTEs to simplify and structure complex queries for better readability.
5. Aggregations & Window Functions: Combine aggregate functions with window functions for in-depth data analysis.
6. Subqueries: Learn how to use subqueries effectively within main SQL statements for complex data manipulations.
7. Handling NULLs: Be adept at managing NULL values to ensure accurate data processing and avoid potential pitfalls.
8. Indexing: Understand how proper indexing can significantly boost query performance.
9. GROUP BY & HAVING: Master grouping data and filtering groups with HAVING to refine your query results.
10. String Manipulation Functions: Get familiar with string functions like CONCAT, SUBSTRING, and REPLACE to handle text data efficiently.
11. Set Operations: Know how to use UNION, INTERSECT, and EXCEPT to combine or compare result sets.
12. Optimizing Queries: Learn techniques to optimize your queries for performance, especially with large datasets.
If we master/ Practice in these topics we can track any SQL interviews..
Like this post if you need more 👍❤️
Hope it helps :)
