Vikas Munjal Ellarr

@UC2gfJNvFvTAgTtjyspUWUdw - 1K subscribers

Welcome to Ellarr.com Official YouTube Channel Owner has more than 16 Years of rich experience. Currently working as a Corporate Trainer for SQL Server and Business Intelligence. Also worked as a SQL Developer. Lives in Delhi, India. Microsoft Certifications: Microsoft Certified Solution Expert Data Platform Microsoft Certified Solution Expert Business Intelligence Microsoft Certified Solution Expert Data Management and Analytics Microsoft Certified Solution Associate SQL Server Microsoft Certified Professional

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SQL Functions: EOMONTH, IIF, CHOOSE, REPLACE, SUBSTRING & LTRIM | T-SQL Course Part 35

SQL Functions: EOMONTH, IIF, CHOOSE, REPLACE, SUBSTRING & LTRIM | T-SQL Course Part 35 Vikas Munjal Ellarr

11 views - 1 month ago

T-SQL WHILE Loop: Mastering Procedural Logic in SQL | T-SQL Course Part 34

T-SQL WHILE Loop: Mastering Procedural Logic in SQL | T-SQL Course Part 34 Vikas Munjal Ellarr

4 views - 1 month ago

SQL CASE Statement: Advanced Select & Update Operations | T-SQL Course Part 33

SQL CASE Statement: Advanced Select & Update Operations | T-SQL Course Part 33 Vikas Munjal Ellarr

23 views - 1 month ago

Joining 4 Tables in SQL (Part 2): Advanced Practical Examples | T-SQL Course Part 32

Joining 4 Tables in SQL (Part 2): Advanced Practical Examples | T-SQL Course Part 32 Vikas Munjal Ellarr

9 views - 1 month ago

Joining 4 Tables in SQL: Complex Data Relationships & Reports | T-SQL Course Part 31

Joining 4 Tables in SQL: Complex Data Relationships & Reports | T-SQL Course Part 31 Vikas Munjal Ellarr

12 views - 1 month ago

Joining 3 Tables in SQL: Professional T-SQL Joins & Performance Tips | T-SQL Course Part 30

Joining 3 Tables in SQL: Professional T-SQL Joins & Performance Tips | T-SQL Course Part 30 Vikas Munjal Ellarr

16 views - 1 month ago

SQL Constraints: Primary Key, Foreign Key, NULLABILITY, Unique & Check | T-SQL Course Part 29

SQL Constraints: Primary Key, Foreign Key, NULLABILITY, Unique & Check | T-SQL Course Part 29 Vikas Munjal Ellarr

7 views - 1 month ago

Advanced Data Manipulation: Update with Join, Select Into & Truncate | T-SQL Course Part 28

Advanced Data Manipulation: Update with Join, Select Into & Truncate | T-SQL Course Part 28 Vikas Munjal Ellarr

3 views - 1 month ago

SQL Data Implicit & Explicit Type Conversion (Type Casting) : CAST vs CONVERT | T-SQL Course Part 27

SQL Data Implicit & Explicit Type Conversion (Type Casting) : CAST vs CONVERT | T-SQL Course Part 27 Vikas Munjal Ellarr

8 views - 1 month ago

SQL Server Data Types Masterclass: Choosing the Right Type | T-SQL Course Part 26

SQL Server Data Types Masterclass: Choosing the Right Type | T-SQL Course Part 26 Vikas Munjal Ellarr

3 views - 1 month ago

SQL Performance Secret: NOT EXISTS vs. LEFT JOIN | T-SQL Course Part 25

SQL Performance Secret: NOT EXISTS vs. LEFT JOIN | T-SQL Course Part 25 Vikas Munjal Ellarr

20 views - 1 month ago

Mastering Correlated Subqueries in SQL | Step-by-Step Execution Guide | T-SQL Course Part 24

Mastering Correlated Subqueries in SQL | Step-by-Step Execution Guide | T-SQL Course Part 24 Vikas Munjal Ellarr

7 views - 1 month ago

SQL ANY, ALL, and SOME Keywords Explained | T-SQL Subquery Course Part 23

SQL ANY, ALL, and SOME Keywords Explained | T-SQL Subquery Course Part 23 Vikas Munjal Ellarr

3 views - 1 month ago

Why You Should Avoid NOT IN: Optimization with LEFT JOIN | T-SQL Course Part 22

Why You Should Avoid NOT IN: Optimization with LEFT JOIN | T-SQL Course Part 22 Vikas Munjal Ellarr

9 views - 1 month ago

SQL Subquery as a Column | Calculating Deviations & Salary Differences | T-SQL Course Part 21

SQL Subquery as a Column | Calculating Deviations & Salary Differences | T-SQL Course Part 21 Vikas Munjal Ellarr

8 views - 1 month ago

Complex SQL Queries: Combining Joins, Group By & Subquery as Derived Table | T-SQL Course Part 20

Complex SQL Queries: Combining Joins, Group By & Subquery as Derived Table | T-SQL Course Part 20 Vikas Munjal Ellarr

26 views - 1 month ago

Find Nth Highest Salary in SQL | 2nd & 3rd Max Salary Logic | T-SQL Course Part 19

Find Nth Highest Salary in SQL | 2nd & 3rd Max Salary Logic | T-SQL Course Part 19 Vikas Munjal Ellarr

36 views - 1 month ago

SQL Subqueries Explained: Master Nested Queries | T-SQL Course Part 18

SQL Subqueries Explained: Master Nested Queries | T-SQL Course Part 18 Vikas Munjal Ellarr

6 views - 1 month ago

How to Create & Transfer Schemas in SQL Server (Practical) | T-SQL Course Part 17

How to Create & Transfer Schemas in SQL Server (Practical) | T-SQL Course Part 17 Vikas Munjal Ellarr

13 views - 1 month ago

SQL Schema Explained: Database Organization & Security | T-SQL Course Part 16

SQL Schema Explained: Database Organization & Security | T-SQL Course Part 16 Vikas Munjal Ellarr

16 views - 1 month ago

SQL Set Operations: UNION, UNION ALL, INTERSECT & EXCEPT | T-SQL Course Part 15

SQL Set Operations: UNION, UNION ALL, INTERSECT & EXCEPT | T-SQL Course Part 15 Vikas Munjal Ellarr

7 views - 1 month ago

SQL Self Join Explained: Manager-Employee Hierarchy | T-SQL Course Part 14

SQL Self Join Explained: Manager-Employee Hierarchy | T-SQL Course Part 14 Vikas Munjal Ellarr

12 views - 1 month ago

SQL Joins Tutorial: Left, Right, Full and Cross Join | T-SQL Course Part 13

SQL Joins Tutorial: Left, Right, Full and Cross Join | T-SQL Course Part 13 Vikas Munjal Ellarr

9 views - 1 month ago

Join and Group By Together in SQL Server | T-SQL Practical Training Part 12

Join and Group By Together in SQL Server | T-SQL Practical Training Part 12 Vikas Munjal Ellarr

10 views - 1 month ago

SQL Inner Join & Table Aliases Explained: Solving Ambiguous Column Errors | T-SQL Course Part 11

SQL Inner Join & Table Aliases Explained: Solving Ambiguous Column Errors | T-SQL Course Part 11 Vikas Munjal Ellarr

9 views - 1 month ago

Syntax of SELECT Command and Logical Query Processing | T-SQL Course Part 10

Syntax of SELECT Command and Logical Query Processing | T-SQL Course Part 10 Vikas Munjal Ellarr

11 views - 1 month ago

WHERE vs HAVING Clause in SQL: The Key Difference | T-SQL Course Part 9

WHERE vs HAVING Clause in SQL: The Key Difference | T-SQL Course Part 9 Vikas Munjal Ellarr

21 views - 1 month ago

SQL GROUP BY Clause: Single and Multiple Columns | T-SQL Course Part 8

SQL GROUP BY Clause: Single and Multiple Columns | T-SQL Course Part 8 Vikas Munjal Ellarr

16 views - 1 month ago

LangChain LCEL | Implementing Runnables in RAG: Parallel, Lambda & Passthrough | Video #48

LangChain LCEL | Implementing Runnables in RAG: Parallel, Lambda & Passthrough | Video #48 Vikas Munjal Ellarr

46 views - 1 month ago

LangChain RAG Project | Part 2: Chunking, FAISS Vector Store & LLM Integration | Video #47

LangChain RAG Project | Part 2: Chunking, FAISS Vector Store & LLM Integration | Video #47 Vikas Munjal Ellarr

33 views - 1 month ago

SQL Aggregate Functions: SUM, AVG, COUNT and Handling NULLs | T-SQL Course Part 7

SQL Aggregate Functions: SUM, AVG, COUNT and Handling NULLs | T-SQL Course Part 7 Vikas Munjal Ellarr

6 views - 1 month ago

LangChain RAG Project | Part 1: Extracting YouTube Transcripts for AI | Video #46

LangChain RAG Project | Part 1: Extracting YouTube Transcripts for AI | Video #46 Vikas Munjal Ellarr

50 views - 1 month ago

Basic SQL Commands: SELECT, ORDER BY & Filtering | T-SQL Course Part 7

Basic SQL Commands: SELECT, ORDER BY & Filtering | T-SQL Course Part 7 Vikas Munjal Ellarr

30 views - 1 month ago

Primary Key vs Foreign Key Explained | T-SQL Course Part 6

Primary Key vs Foreign Key Explained | T-SQL Course Part 6 Vikas Munjal Ellarr

38 views - 1 month ago

What is RAG? | Theory and Architecture of Retrieval-Augmented Generation | Video #45

What is RAG? | Theory and Architecture of Retrieval-Augmented Generation | Video #45 Vikas Munjal Ellarr

50 views - 1 month ago

LangChain | Contextual Compression Retriever: Save Tokens & Improve RAG with FAISS | Video #44

LangChain | Contextual Compression Retriever: Save Tokens & Improve RAG with FAISS | Video #44 Vikas Munjal Ellarr

22 views - 1 month ago

LangChain | MultiQueryRetriever: Better RAG with Automated Query Generation | Video #43

LangChain | MultiQueryRetriever: Better RAG with Automated Query Generation | Video #43 Vikas Munjal Ellarr

49 views - 1 month ago

LangChain | MMR Retriever: Stop Redundant AI Answers with Diversity Search | Video #42

LangChain | MMR Retriever: Stop Redundant AI Answers with Diversity Search | Video #42 Vikas Munjal Ellarr

38 views - 1 month ago

LangChain | VectorStoreRetriever Practical: Standard Retrieval for RAG | Video #41

LangChain | VectorStoreRetriever Practical: Standard Retrieval for RAG | Video #41 Vikas Munjal Ellarr

32 views - 1 month ago

How to Create Tables & Insert Data in SQL Server | T-SQL Practical Training | Part 5

How to Create Tables & Insert Data in SQL Server | T-SQL Practical Training | Part 5 Vikas Munjal Ellarr

22 views - 1 month ago

LangChain | What is a Retriever? Why Vector Stores are Not Enough | Video #40

LangChain | What is a Retriever? Why Vector Stores are Not Enough | Video #40 Vikas Munjal Ellarr

50 views - 1 month ago

LangChain | ChromaDB CRUD: Update, Delete & Metadata Filtering Explained | Video #39

LangChain | ChromaDB CRUD: Update, Delete & Metadata Filtering Explained | Video #39 Vikas Munjal Ellarr

21 views - 1 month ago

LangChain | Similarity Search: Finding Meaning in your Vector Store | Video #38

LangChain | Similarity Search: Finding Meaning in your Vector Store | Video #38 Vikas Munjal Ellarr

58 views - 1 month ago

LangChain | Practical Guide: Creating Embeddings & Saving to a Vector Store | Video #37

LangChain | Practical Guide: Creating Embeddings & Saving to a Vector Store | Video #37 Vikas Munjal Ellarr

28 views - 1 month ago

What is SSMS vs. SQL Server Engine? (Client vs. Server) | T-SQL Course Part 3

What is SSMS vs. SQL Server Engine? (Client vs. Server) | T-SQL Course Part 3 Vikas Munjal Ellarr

43 views - 1 month ago

LangChain | ChromaDB Hierarchy: Organizing Collections & Documents | Video #36

LangChain | ChromaDB Hierarchy: Organizing Collections & Documents | Video #36 Vikas Munjal Ellarr

13 views - 1 month ago

LangChain | Vector Store vs. Vector Database: Which One to Choose? | Video #35

LangChain | Vector Store vs. Vector Database: Which One to Choose? | Video #35 Vikas Munjal Ellarr

44 views - 1 month ago

LangChain | Embeddings | Vector Search: Working with Semantic Data | Video #34

LangChain | Embeddings | Vector Search: Working with Semantic Data | Video #34 Vikas Munjal Ellarr

49 views - 1 month ago

LangChain | Text Splitting | DocumentStructureBasedTextSplitting: Smart Header Splitting | Video #33

LangChain | Text Splitting | DocumentStructureBasedTextSplitting: Smart Header Splitting | Video #33 Vikas Munjal Ellarr

19 views - 1 month ago

What is RDBMS? (Relational Database Management System) | T-SQL Course Part 2

What is RDBMS? (Relational Database Management System) | T-SQL Course Part 2 Vikas Munjal Ellarr

24 views - 1 month ago

LangChain | Text Splitting | RecursiveCharacterTextSplitter: Splitting by Text Structure | Video #32

LangChain | Text Splitting | RecursiveCharacterTextSplitter: Splitting by Text Structure | Video #32 Vikas Munjal Ellarr

58 views - 1 month ago

LangChain | Text Splitting | CharacterTextSplitter: Length-Based Splitting Explained | Video #31

LangChain | Text Splitting | CharacterTextSplitter: Length-Based Splitting Explained | Video #31 Vikas Munjal Ellarr

27 views - 1 month ago

What is a Relational Database? (RDBMS Explained) | T-SQL Course Part 1

What is a Relational Database? (RDBMS Explained) | T-SQL Course Part 1 Vikas Munjal Ellarr

47 views - 1 month ago

Text Splitting in LangChain: The Secret to Handling Large Documents in RAG | Video #30

Text Splitting in LangChain: The Secret to Handling Large Documents in RAG | Video #30 Vikas Munjal Ellarr

15 views - 1 month ago

LangChain | Document Loader | WebBaseLoader: Scrape Web Pages for AI | Video #29

LangChain | Document Loader | WebBaseLoader: Scrape Web Pages for AI | Video #29 Vikas Munjal Ellarr

62 views - 1 month ago

LangChain | Document Loader | CSVLoader: Loading Spreadsheets for AI & RAG | Video #28

LangChain | Document Loader | CSVLoader: Loading Spreadsheets for AI & RAG | Video #28 Vikas Munjal Ellarr

18 views - 1 month ago

LangChain | Document Loader | Eager vs. Lazy Loading: Optimizing Memory for RAG | Video #27

LangChain | Document Loader | Eager vs. Lazy Loading: Optimizing Memory for RAG | Video #27 Vikas Munjal Ellarr

14 views - 1 month ago

LangChain | Document Loader | DirectoryLoader: Loading Multiple Files for RAG | Video #26

LangChain | Document Loader | DirectoryLoader: Loading Multiple Files for RAG | Video #26 Vikas Munjal Ellarr

44 views - 1 month ago

LangChain | Document Loader | PyPDFLoader: Extracting PDF Data for RAG | Video #25

LangChain | Document Loader | PyPDFLoader: Extracting PDF Data for RAG | Video #25 Vikas Munjal Ellarr

33 views - 1 month ago

LangChain | Document Loader | TextLoader: Loading Text Files for RAG | Video #24

LangChain | Document Loader | TextLoader: Loading Text Files for RAG | Video #24 Vikas Munjal Ellarr

52 views - 1 month ago