SQL LAG Window Function - Detailed Explanation with Code Examples

Published: 14 June 2024
on channel: TechEngineerSchool

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Detailed step by step walkthrough of SQL LAG Window Function. It includes syntax explanation as well as 5 examples and a REALWORLD USE-CASE.

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Timestamps

00:00 - Introduction - SQL LAG Window Function
00:42 - What we will cover today
01:29 - SQL LAG Window Function Definition
02:00 - SQL LAG vs SQL LEAD window Function
02:58 - How to follow along and execute SQL
3:39 - SQL LAG Window Function SYNTAX Explained
7:45 - LAG Window Function Code Example
10:10 - Use Offset of 2 - LAG Window Function Code Example 2
11:30 - Use Offset of 5 - LAG Window Function Code Example 3
12:34 - SQL LAG Window Function is [[not Order Dependent]]
13:39 - Window Function Partitioning - LAG Window Function Code Example 4
16:42 - Replace “Default Value” with String or Number - LAG Window Function Code Example 5
19:32 - LAG Window Function USE CASE - LAG Window Function Code Example 6
22:52 - Get access to my free technical resources
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