The Code Samples

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Hey everyone, welcome to The Code Samples! I'm thrilled that you're here and I can't wait to share my passion for coding and data analysis with you. My goal ...

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#SQL Leetcode SQL 50 #41 Friend Requests II

#SQL Leetcode SQL 50 #40 Restaurant Growth Using Window Functions.

#SQL Leetcode SQL 50 #39 Find Top User + Top Movie

#SQL Leetcode SQL 50 #38 Exchange Seats of Every Two Consecutive Students.

#SQL Leetcode SQL 50 #37 Employees Whose Manager Left the Company.

#SQL Leetcode SQL 50 #36 Find Salary Categories.

#SQL Leetcode SQL 50 #35 1204. Last Person to Fit in the Bus

#SQL Leetcode SQL 50 #34 1164 Product Price at a Given Date.

Dynamic SQL Explained Using Simple Examples!!

SQL Like Statement Explained Using Simple Examples!

SQL Working With Dates!

SQL Top 5 String Manipulation Functions!

SQL Cross Apply and Outer Apply Explained Using Simple Example.

SQL User Defined Functions aka UDFs.

SQL Foreign Key and Referential Integrity Explained Using Simple Example!

SQL Primary Key Explained Using Simple Examples.

SQL PIVOT Explained Convert Rows to Columns Easily!

SQL How to Delete Duplicates Using Common Table Expression (CTE)

How to Download and Install Adventureworks Sample Database Step-by-Step (2025 Update)

SQL Exists Operator Explained Using Simple Examples!

SQL Two Ways to Delete From a Table Using Another Table.

SQL Delete vs Truncate vs Drop Explained Using Simple Example

SQL Understanding the Merge Statement with Simple Examples.

SQL How to Handle NULL values

SQL How to Find and Delete Duplicates Using ROW_NUMBER and CTE.

SQL Window Functions Explained Part 3 SUM OVER PARTITION BY ORDER BY

SQL Window Functions Explained Part 2 LEAD, LAG, OVER, ORDER BY, PATITION BY

SQL Window Functions Explained Part 1 ROW_NUMBER, RANK, DENSE_RANK, OVER, PARTITION BY, ORDER BY

How to Use Output Parameter in Stored Procedure

SQL Stored Procedures Explained in Under 7 Minutes! #sql