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PrepNPlaced

PrepNPlaced

前往频道在 Telegram

🚀 Welcome to the Elite Data Engineering & Agentic AI Hub! 🚀 👑 Community Creator: Mandar Patil 👨‍💻 Admin & Mentor: Durgesh Yadav The era of basic data tasks is over. With Agentic AI evolving the industry, up to 60% of traditional Data Analyst roles

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📈 Telegram 频道 PrepNPlaced 的分析概览

频道 PrepNPlaced (@dataanalyticsbuddy) 英语 语言赛道中的 是活跃参与者。目前社区聚集了 27 614 名订阅者,在 教育 类别中位列第 6 959,并在 印度 地区排名第 14 840

📊 受众指标与增长动态

невідомо 创建以来,项目保持高速增长,吸引了 27 614 名订阅者。

根据 27 八月, 2026 的最新数据,频道保持稳定运转。过去 30 天订阅人数变化为 -644,过去 24 小时变化为 -21,整体触达仍然可观。

  • 认证状态: 未认证
  • 互动率 (ER): 平均受众互动率为 3.10%。内容发布后 24 小时内通常能获得 1.20% 的反应,占订阅者总量。
  • 帖子覆盖: 每篇帖子平均可获得 855 次浏览,首日通常累积 332 次浏览。
  • 互动与反馈: 受众积极参与,单帖平均反应数为 1
  • 主题关注点: 内容集中在 analyst, sql, analytic, dashboard, roadmap 等核心主题上。

📝 描述与内容策略

作者将该频道定位为表达主观观点的平台:
🚀 Welcome to the Elite Data Engineering & Agentic AI Hub! 🚀 👑 Community Creator: Mandar Patil 👨‍💻 Admin & Mentor: Durgesh Yadav The era of basic data tasks is over. With Agentic AI evolving the industry, up to 60% of traditional Data Analyst ...

凭借高频更新(最新数据采集于 28 八月, 2026),频道始终保持新鲜度与高覆盖。分析显示受众积极互动,使其成为 教育 类别中的关键影响点。

27 614
订阅者
-2124 小时
-1467
-64430
帖子存档
*Last 1 Hour to Enroll in Our Self Paced Recorded Course which has everything u need to crack Data Analyst Job and its at 95% Discount* 🚨 ENROLLMENTS CLOSING | LIMITED SEATS 🚨 🎓 Data Analytics End-to-End (SELF-PACED) + Placement Cohort 💼 Complete Career Package – ₹399 Only ⏳ Learn at your own pace 📱 Watch anytime | Rewatch anytime 💻 Perfect for students & working professionals ✅ What’s Included: ✔ SELF-PACED COURSE  • SQL (Basics → Advanced, CTEs, Window Functions)  • Power BI (Industry-level Dashboards)  • Excel (Analytics, Pivot Tables, Dynamic Dashboards)  • Python (Pandas, NumPy on Real Datasets) ✔ Placement Cohort – 20 Guided Sessions  • Resume Building  • Interview Preparation  • Real Case Studies  • Mock Interviews & Guidance ✔ 300+ Hands-On Projects ✔ Complete Interview Prep Kit 👨‍🏫 Course by Industry Data Analyst 🔗 https://www.linkedin.com/in/yadavdurgesh711 ⏳ Cohort Seats Are Limited 👉 Enroll Now: 🔗 https://topmate.io/durgesh_yadav/1776905 📩 Queries: durgeshyadavlkh@gmail.com

SQL Zero to Advanced Roadmap with Practice Questions 🔥 Share with others to help ✨ ✅ Join our Communities: Telegram Channel: https://t.me/dataanalyticsbuddy WhatsApp Channel: https://whatsapp.com/channel/0029VaFZ2LbKGGGRCU0lnd46 Do react ❤️ if you want more resources like this

Hey All, Finally we are giving exclusive Discount on our Cohort. This Cohort will make you a Advance Data Analyst & Data Engineer from Level Zero along with AI Fundamentals all in *Live Class* Enroll Today & Ping me I will help you with discounted Prize. Check Cohort - Go to www.datacity.in and click on *Paid Course* Section & Check the Cohort & then *Contact me* on +917887289947 ! *A Best Career Guidance Program by Our Team & Topmate*

𝐒𝐐𝐋 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐑𝐨𝐚𝐝𝐦𝐚𝐩🔥🔥🔥 |── Basics | ├── What is SQL? | ├── Database vs DBMS vs RDBMS | ├── Databases & Tables | ├── Rows vs Columns | ├── Data Types (INT, VARCHAR, DATE, FLOAT, BOOLEAN) | ├── Constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK, DEFAULT) | ├── Keys (Primary, Foreign, Candidate, Composite, Super Key) | └── CRUD Operations (Create, Read, Update, Delete) | |── DDL (Data Definition Language) | ├── CREATE DATABASE | ├── CREATE TABLE | ├── ALTER TABLE | ├── DROP TABLE | ├── TRUNCATE TABLE | └── RENAME TABLE | |── DML (Data Manipulation Language) | ├── INSERT INTO | ├── UPDATE | ├── DELETE | └── Bulk Inserts | |── DQL (Data Query Language) | ├── SELECT | ├── Column Selection | ├── Aliases (AS) | └── Expressions & Calculations | |── Data Retrieval | ├── SELECT, FROM, WHERE | ├── DISTINCT | ├── ORDER BY (ASC, DESC) | ├── LIMIT / TOP / OFFSET-FETCH | ├── BETWEEN | ├── IN / NOT IN | ├── LIKE (%, _) | └── IS NULL / IS NOT NULL | |── Filtering & Conditions | ├── AND, OR, NOT | ├── Operator Precedence | ├── Nested Conditions | └── Short-circuit Evaluation | |── Joins | ├── INNER JOIN | ├── LEFT JOIN | ├── RIGHT JOIN | ├── FULL OUTER JOIN | ├── CROSS JOIN | ├── SELF JOIN | ├── Join Conditions (ON vs WHERE) | └── Handling NULLs in Joins | |── Grouping & Aggregation | ├── GROUP BY | ├── Aggregate Functions: COUNT(), SUM(), AVG(), MIN(), MAX() | ├── HAVING | ├── Conditional Aggregation (CASE WHEN) | └── Grouping Rules & Errors | |── CASE Statements & Conditional Logic | ├── CASE WHEN | ├── Nested CASE | ├── Conditional Columns | └── Conditional Aggregations | |── NULL Handling | ├── NULL Behavior in SQL | ├── IS NULL, IS NOT NULL | ├── COALESCE() | ├── NULLIF() | └── NULL in Aggregations | |── Subqueries & Nested Queries | ├── Subquery in SELECT | ├── Subquery in WHERE | ├── Subquery in FROM | ├── Correlated Subqueries | ├── Scalar vs Multi-row Subqueries | └── Performance Considerations | |── Set Operations | ├── UNION | ├── UNION ALL | ├── INTERSECT | └── EXCEPT / MINUS | |── Advanced SQL | ├── EXISTS / NOT EXISTS | ├── Derived Tables | ├── Inline Views | ├── Pivoting & Unpivoting | └── Dynamic SQL (Basics) | |── Window Functions (Analytical SQL) | ├── OVER() Clause | ├── PARTITION BY | ├── ORDER BY in Window | ├── Ranking: ROW_NUMBER(), RANK(), DENSE_RANK() | ├── Value Functions: LEAD(), LAG() | ├── Aggregates as Window Functions | └── Running Totals & Moving Averages | |── Common Table Expressions (CTEs) | ├── WITH Clause | ├── Multiple CTEs | ├── Recursive CTEs | └── CTE vs Subquery | |── Views | ├── Creating Views | ├── Updating Views | ├── Materialized Views | └── Use Cases | |── Indexes & Performance | ├── What is Index | ├── Clustered vs Non-Clustered Index | ├── Composite Index | ├── Indexing Strategies | ├── Query Optimization | ├── Execution Plan | └── EXPLAIN / ANALYZE | |── Transactions & ACID | ├── Transaction Basics | ├── COMMIT, ROLLBACK, SAVEPOINT | ├── ACID Properties | └── Concurrency Issues | |── Locks & Isolation Levels | ├── Lock Types | ├── Isolation Levels | ├── Dirty Read, Non-repeatable Read, Phantom Read | └── Deadlocks | |── Database Design Concepts | ├── ER Diagrams | ├── Normalization (1NF, 2NF, 3NF, BCNF) | ├── Denormalization | ├── Relationships (1-1, 1-M, M-M) | └── Schema Design Best Practices | |── Data Warehousing Concepts | ├── OLTP vs OLAP | ├── Fact & Dimension Tables | ├── Star Schema | ├── Snowflake Schema | └── ETL Basics | |── SQL for Data Analysis | ├── Business Metrics (Revenue, Retention, AOV) | ├── Cohort Analysis | ├── Funnel Analysis | ├── Time Series Analysis | └── Data Cleaning in SQL | |── SQL in Real Projects | ├── E-commerce Analysis | ├── Customer Behavior Analysis | ├── Sales Dashboard Queries | └── KPI Reporting | |── Tools & Platforms | ├── MySQL | ├── PostgreSQL | ├── SQL Server | ├── Oracle | ├── SQLite | ├── BigQuery | ├── Snowflake | └── Amazon Redshift | |── END 👉WhatsApp Channel: https://whatsapp.com/channel/0029VaFZ2LbKGGGRCU0lnd46 👉Telegram Channel: https://t.me/dataanalyticsbuddy Till then keep learning and keep exploring 🙌 😊

Till then keep learning and keep exploring 🙌 😊

𝐒𝐐𝐋 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐑𝐨𝐚𝐝𝐦𝐚𝐩 𝐰𝐢𝐭𝐡 𝐅𝐫𝐞𝐞 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 🔥🔥🔥 |── Basics | ├── What is SQL? | ├── Database vs DBMS vs RDBMS | ├── Databases & Tables | ├── Rows vs Columns | ├── Data Types (INT, VARCHAR, DATE, FLOAT, BOOLEAN) | ├── Constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK, DEFAULT) | ├── Keys (Primary, Foreign, Candidate, Composite, Super Key) | └── CRUD Operations (Create, Read, Update, Delete) | |── DDL (Data Definition Language) | ├── CREATE DATABASE | ├── CREATE TABLE | ├── ALTER TABLE | ├── DROP TABLE | ├── TRUNCATE TABLE | └── RENAME TABLE | |── DML (Data Manipulation Language) | ├── INSERT INTO | ├── UPDATE | ├── DELETE | └── Bulk Inserts | |── DQL (Data Query Language) | ├── SELECT | ├── Column Selection | ├── Aliases (AS) | └── Expressions & Calculations | |── Data Retrieval | ├── SELECT, FROM, WHERE | ├── DISTINCT | ├── ORDER BY (ASC, DESC) | ├── LIMIT / TOP / OFFSET-FETCH | ├── BETWEEN | ├── IN / NOT IN | ├── LIKE (%, _) | └── IS NULL / IS NOT NULL | |── Filtering & Conditions | ├── AND, OR, NOT | ├── Operator Precedence | ├── Nested Conditions | └── Short-circuit Evaluation | |── Joins | ├── INNER JOIN | ├── LEFT JOIN | ├── RIGHT JOIN | ├── FULL OUTER JOIN | ├── CROSS JOIN | ├── SELF JOIN | ├── Join Conditions (ON vs WHERE) | └── Handling NULLs in Joins | |── Grouping & Aggregation | ├── GROUP BY | ├── Aggregate Functions: COUNT(), SUM(), AVG(), MIN(), MAX() | ├── HAVING | ├── Conditional Aggregation (CASE WHEN) | └── Grouping Rules & Errors | |── CASE Statements & Conditional Logic | ├── CASE WHEN | ├── Nested CASE | ├── Conditional Columns | └── Conditional Aggregations | |── NULL Handling | ├── NULL Behavior in SQL | ├── IS NULL, IS NOT NULL | ├── COALESCE() | ├── NULLIF() | └── NULL in Aggregations | |── Subqueries & Nested Queries | ├── Subquery in SELECT | ├── Subquery in WHERE | ├── Subquery in FROM | ├── Correlated Subqueries | ├── Scalar vs Multi-row Subqueries | └── Performance Considerations | |── Set Operations | ├── UNION | ├── UNION ALL | ├── INTERSECT | └── EXCEPT / MINUS | |── Advanced SQL | ├── EXISTS / NOT EXISTS | ├── Derived Tables | ├── Inline Views | ├── Pivoting & Unpivoting | └── Dynamic SQL (Basics) | |── Window Functions (Analytical SQL) | ├── OVER() Clause | ├── PARTITION BY | ├── ORDER BY in Window | ├── Ranking: ROW_NUMBER(), RANK(), DENSE_RANK() | ├── Value Functions: LEAD(), LAG() | ├── Aggregates as Window Functions | └── Running Totals & Moving Averages | |── Common Table Expressions (CTEs) | ├── WITH Clause | ├── Multiple CTEs | ├── Recursive CTEs | └── CTE vs Subquery | |── Views | ├── Creating Views | ├── Updating Views | ├── Materialized Views | └── Use Cases | |── Indexes & Performance | ├── What is Index | ├── Clustered vs Non-Clustered Index | ├── Composite Index | ├── Indexing Strategies | ├── Query Optimization | ├── Execution Plan | └── EXPLAIN / ANALYZE | |── Transactions & ACID | ├── Transaction Basics | ├── COMMIT, ROLLBACK, SAVEPOINT | ├── ACID Properties | └── Concurrency Issues | |── Locks & Isolation Levels | ├── Lock Types | ├── Isolation Levels | ├── Dirty Read, Non-repeatable Read, Phantom Read | └── Deadlocks | |── Database Design Concepts | ├── ER Diagrams | ├── Normalization (1NF, 2NF, 3NF, BCNF) | ├── Denormalization | ├── Relationships (1-1, 1-M, M-M) | └── Schema Design Best Practices | |── Data Warehousing Concepts | ├── OLTP vs OLAP | ├── Fact & Dimension Tables | ├── Star Schema | ├── Snowflake Schema | └── ETL Basics | |── SQL for Data Analysis | ├── Business Metrics (Revenue, Retention, AOV) | ├── Cohort Analysis | ├── Funnel Analysis | ├── Time Series Analysis | └── Data Cleaning in SQL | |── SQL in Real Projects | ├── E-commerce Analysis | ├── Customer Behavior Analysis | ├── Sales Dashboard Queries | └── KPI Reporting | |── Tools & Platforms | ├── MySQL | ├── PostgreSQL | ├── SQL Server | ├── Oracle | ├── SQLite | ├── BigQuery | ├── Snowflake | └── Amazon Redshift | |── END 👉WhatsApp Channel: https://whatsapp.com/channel/0029VaFZ2LbKGGGRCU0lnd46 👉Telegram Channel: https://t.me/dataanalyticsbuddy

👉Telegram Channel: https://t.me/dataanalyticsbuddy Don't forget to share with others who are looking for learning more about SQL 🙌☺️ Till then keep learning and keep exploring 🙌 😊

𝐒𝐐𝐋 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐑𝐨𝐚𝐝𝐦𝐚𝐩 𝐰𝐢𝐭𝐡 𝐅𝐫𝐞𝐞 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 🔥🔥🔥 |── Basics | ├── What is SQL? | ├── Database vs DBMS vs RDBMS | ├── Databases & Tables | ├── Rows vs Columns | ├── Data Types (INT, VARCHAR, DATE, FLOAT, BOOLEAN) | ├── Constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK, DEFAULT) | ├── Keys (Primary, Foreign, Candidate, Composite, Super Key) | └── CRUD Operations (Create, Read, Update, Delete) | |── DDL (Data Definition Language) | ├── CREATE DATABASE | ├── CREATE TABLE | ├── ALTER TABLE | ├── DROP TABLE | ├── TRUNCATE TABLE | └── RENAME TABLE | |── DML (Data Manipulation Language) | ├── INSERT INTO | ├── UPDATE | ├── DELETE | └── Bulk Inserts | |── DQL (Data Query Language) | ├── SELECT | ├── Column Selection | ├── Aliases (AS) | └── Expressions & Calculations | |── Data Retrieval | ├── SELECT, FROM, WHERE | ├── DISTINCT | ├── ORDER BY (ASC, DESC) | ├── LIMIT / TOP / OFFSET-FETCH | ├── BETWEEN | ├── IN / NOT IN | ├── LIKE (%, _) | └── IS NULL / IS NOT NULL | |── Filtering & Conditions | ├── AND, OR, NOT | ├── Operator Precedence | ├── Nested Conditions | └── Short-circuit Evaluation | |── Joins | ├── INNER JOIN | ├── LEFT JOIN | ├── RIGHT JOIN | ├── FULL OUTER JOIN | ├── CROSS JOIN | ├── SELF JOIN | ├── Join Conditions (ON vs WHERE) | └── Handling NULLs in Joins | |── Grouping & Aggregation | ├── GROUP BY | ├── Aggregate Functions: COUNT(), SUM(), AVG(), MIN(), MAX() | ├── HAVING | ├── Conditional Aggregation (CASE WHEN) | └── Grouping Rules & Errors | |── CASE Statements & Conditional Logic | ├── CASE WHEN | ├── Nested CASE | ├── Conditional Columns | └── Conditional Aggregations | |── NULL Handling | ├── NULL Behavior in SQL | ├── IS NULL, IS NOT NULL | ├── COALESCE() | ├── NULLIF() | └── NULL in Aggregations | |── Subqueries & Nested Queries | ├── Subquery in SELECT | ├── Subquery in WHERE | ├── Subquery in FROM | ├── Correlated Subqueries | ├── Scalar vs Multi-row Subqueries | └── Performance Considerations | |── Set Operations | ├── UNION | ├── UNION ALL | ├── INTERSECT | └── EXCEPT / MINUS | |── Advanced SQL | ├── EXISTS / NOT EXISTS | ├── Derived Tables | ├── Inline Views | ├── Pivoting & Unpivoting | └── Dynamic SQL (Basics) | |── Window Functions (Analytical SQL) | ├── OVER() Clause | ├── PARTITION BY | ├── ORDER BY in Window | ├── Ranking: ROW_NUMBER(), RANK(), DENSE_RANK() | ├── Value Functions: LEAD(), LAG() | ├── Aggregates as Window Functions | └── Running Totals & Moving Averages | |── Common Table Expressions (CTEs) | ├── WITH Clause | ├── Multiple CTEs | ├── Recursive CTEs | └── CTE vs Subquery | |── Views | ├── Creating Views | ├── Updating Views | ├── Materialized Views | └── Use Cases | |── Indexes & Performance | ├── What is Index | ├── Clustered vs Non-Clustered Index | ├── Composite Index | ├── Indexing Strategies | ├── Query Optimization | ├── Execution Plan | └── EXPLAIN / ANALYZE | |── Transactions & ACID | ├── Transaction Basics | ├── COMMIT, ROLLBACK, SAVEPOINT | ├── ACID Properties | └── Concurrency Issues | |── Locks & Isolation Levels | ├── Lock Types | ├── Isolation Levels | ├── Dirty Read, Non-repeatable Read, Phantom Read | └── Deadlocks | |── Database Design Concepts | ├── ER Diagrams | ├── Normalization (1NF, 2NF, 3NF, BCNF) | ├── Denormalization | ├── Relationships (1-1, 1-M, M-M) | └── Schema Design Best Practices | |── Data Warehousing Concepts | ├── OLTP vs OLAP | ├── Fact & Dimension Tables | ├── Star Schema | ├── Snowflake Schema | └── ETL Basics | |── SQL for Data Analysis | ├── Business Metrics (Revenue, Retention, AOV) | ├── Cohort Analysis | ├── Funnel Analysis | ├── Time Series Analysis | └── Data Cleaning in SQL | |── SQL in Real Projects | ├── E-commerce Analysis | ├── Customer Behavior Analysis | ├── Sales Dashboard Queries | └── KPI Reporting | |── Tools & Platforms | ├── MySQL | ├── PostgreSQL | ├── SQL Server | ├── Oracle | ├── SQLite | ├── BigQuery | ├── Snowflake | └── Amazon Redshift | |── END W3Schools SQL Tutorial: https://www.w3schools.com/sql/ 👉WhatsApp Channel: https://whatsapp.com/channel/0029VaFZ2LbKGGGRCU0lnd46

|── END W3Schools SQL Tutorial: https://www.w3schools.com/sql/ 👉WhatsApp Channel: https://whatsapp.com/channel/0029VaFZ2LbKGGGRCU0lnd46 👉Telegram Channel: https://t.me/dataanalyticsbuddy Don't forget to share with others who are looking for learning more about SQL 🙌☺️ Till then keep learning and keep exploring 🙌 😊

𝐒𝐐𝐋 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐑𝐨𝐚𝐝𝐦𝐚𝐩 𝐰𝐢𝐭𝐡 𝐅𝐫𝐞𝐞 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 🔥🔥🔥 |── Basics | ├── What is SQL? | ├── Database vs DBMS vs RDBMS | ├── Databases & Tables | ├── Rows vs Columns | ├── Data Types (INT, VARCHAR, DATE, FLOAT, BOOLEAN) | ├── Constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK, DEFAULT) | ├── Keys (Primary, Foreign, Candidate, Composite, Super Key) | └── CRUD Operations (Create, Read, Update, Delete) | |── DDL (Data Definition Language) | ├── CREATE DATABASE | ├── CREATE TABLE | ├── ALTER TABLE | ├── DROP TABLE | ├── TRUNCATE TABLE | └── RENAME TABLE | |── DML (Data Manipulation Language) | ├── INSERT INTO | ├── UPDATE | ├── DELETE | └── Bulk Inserts | |── DQL (Data Query Language) | ├── SELECT | ├── Column Selection | ├── Aliases (AS) | └── Expressions & Calculations | |── Data Retrieval | ├── SELECT, FROM, WHERE | ├── DISTINCT | ├── ORDER BY (ASC, DESC) | ├── LIMIT / TOP / OFFSET-FETCH | ├── BETWEEN | ├── IN / NOT IN | ├── LIKE (%, _) | └── IS NULL / IS NOT NULL | |── Filtering & Conditions | ├── AND, OR, NOT | ├── Operator Precedence | ├── Nested Conditions | └── Short-circuit Evaluation | |── Joins | ├── INNER JOIN | ├── LEFT JOIN | ├── RIGHT JOIN | ├── FULL OUTER JOIN | ├── CROSS JOIN | ├── SELF JOIN | ├── Join Conditions (ON vs WHERE) | └── Handling NULLs in Joins | |── Grouping & Aggregation | ├── GROUP BY | ├── Aggregate Functions: COUNT(), SUM(), AVG(), MIN(), MAX() | ├── HAVING | ├── Conditional Aggregation (CASE WHEN) | └── Grouping Rules & Errors | |── CASE Statements & Conditional Logic | ├── CASE WHEN | ├── Nested CASE | ├── Conditional Columns | └── Conditional Aggregations | |── NULL Handling | ├── NULL Behavior in SQL | ├── IS NULL, IS NOT NULL | ├── COALESCE() | ├── NULLIF() | └── NULL in Aggregations | |── Subqueries & Nested Queries | ├── Subquery in SELECT | ├── Subquery in WHERE | ├── Subquery in FROM | ├── Correlated Subqueries | ├── Scalar vs Multi-row Subqueries | └── Performance Considerations | |── Set Operations | ├── UNION | ├── UNION ALL | ├── INTERSECT | └── EXCEPT / MINUS | |── Advanced SQL | ├── EXISTS / NOT EXISTS | ├── Derived Tables | ├── Inline Views | ├── Pivoting & Unpivoting | └── Dynamic SQL (Basics) | |── Window Functions (Analytical SQL) | ├── OVER() Clause | ├── PARTITION BY | ├── ORDER BY in Window | ├── Ranking: ROW_NUMBER(), RANK(), DENSE_RANK() | ├── Value Functions: LEAD(), LAG() | ├── Aggregates as Window Functions | └── Running Totals & Moving Averages | |── Common Table Expressions (CTEs) | ├── WITH Clause | ├── Multiple CTEs | ├── Recursive CTEs | └── CTE vs Subquery | |── Views | ├── Creating Views | ├── Updating Views | ├── Materialized Views | └── Use Cases | |── Indexes & Performance | ├── What is Index | ├── Clustered vs Non-Clustered Index | ├── Composite Index | ├── Indexing Strategies | ├── Query Optimization | ├── Execution Plan | └── EXPLAIN / ANALYZE | |── Transactions & ACID | ├── Transaction Basics | ├── COMMIT, ROLLBACK, SAVEPOINT | ├── ACID Properties | └── Concurrency Issues | |── Locks & Isolation Levels | ├── Lock Types | ├── Isolation Levels | ├── Dirty Read, Non-repeatable Read, Phantom Read | └── Deadlocks | |── Database Design Concepts | ├── ER Diagrams | ├── Normalization (1NF, 2NF, 3NF, BCNF) | ├── Denormalization | ├── Relationships (1-1, 1-M, M-M) | └── Schema Design Best Practices | |── Data Warehousing Concepts | ├── OLTP vs OLAP | ├── Fact & Dimension Tables | ├── Star Schema | ├── Snowflake Schema | └── ETL Basics | |── SQL for Data Analysis | ├── Business Metrics (Revenue, Retention, AOV) | ├── Cohort Analysis | ├── Funnel Analysis | ├── Time Series Analysis | └── Data Cleaning in SQL | |── SQL in Real Projects | ├── E-commerce Analysis | ├── Customer Behavior Analysis | ├── Sales Dashboard Queries | └── KPI Reporting | |── Tools & Platforms | ├── MySQL | ├── PostgreSQL | ├── SQL Server | ├── Oracle | ├── SQLite | ├── BigQuery | ├── Snowflake | └── Amazon Redshift | |── Interview Preparation | ├── SQL Query Writing Practice | ├── Case-Based Questions | ├── Optimization Questions | ├── Debugging Queries | └── Explaining Approach Clearly |

SQL Notes by APNA College 🔥 Share with others to help ✨ ✅ Join our Communities: Telegram Channel: https://t.me/dataanalyticsbuddy WhatsApp Channel: https://whatsapp.com/channel/0029VaFZ2LbKGGGRCU0lnd46 Do react ❤️ if you want more resources like this

Last Day to Enroll in Our Self Paced Recorded Course which has everything u need to crack Data Analyst Job and its at 95% Discount 🚨 ENROLLMENTS CLOSING | LIMITED SEATS 🚨 🎓 Data Analytics End-to-End (SELF-PACED) + Placement Cohort 💼 Complete Career Package – ₹399 Only ⏳ Learn at your own pace 📱 Watch anytime | Rewatch anytime 💻 Perfect for students & working professionals ✅ What’s Included: ✔ SELF-PACED COURSE  • SQL (Basics → Advanced, CTEs, Window Functions)  • Power BI (Industry-level Dashboards)  • Excel (Analytics, Pivot Tables, Dynamic Dashboards)  • Python (Pandas, NumPy on Real Datasets) ✔ Placement Cohort – 20 Guided Sessions  • Resume Building  • Interview Preparation  • Real Case Studies  • Mock Interviews & Guidance ✔ 300+ Hands-On Projects ✔ Complete Interview Prep Kit 👨‍🏫 Course by Industry Data Analyst 🔗 https://www.linkedin.com/in/yadavdurgesh711 ⏳ Cohort Seats Are Limited 👉 Enroll Now: 🔗 https://topmate.io/durgesh_yadav/1776905 📩 Queries: durgeshyadavlkh@gmail.com

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🚨 Free Webinar: Data Analyst + AI Agents Learn how to use AI Agents to: ✔ Automate data tasks ✔ Generate SQL queries ✔ Create reports faster ✔ Extract insights in minutes 👥 For: Data Analysts | Students | Professionals 🗓 20th March 2026 🕒 Friday 8 PM.IST 🔗 Webinar Link : https://topmate.io/durgesh_yadav/2007930

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