LAG (Transact-SQL) - SQL Server | Microsoft Learn
Nov 18, 2025 · LAG provides access to a row at a given physical offset that comes before the current row. Use this analytic function in a SELECT statement to compare values in the current row with …
SQL LAG () Function Explained By Practical Examples
Summary: in this tutorial, you will learn how to access data of a previous row from the current row using the SQL LAG() function. SQL LAG() is a window function that provides access to a row at a specified …
SQL LAG() Function - GeeksforGeeks
Sep 13, 2025 · What is the SQL LAG () Function? The SQL LAG () function is a window function that allows us to retrieve the value of a column from a previous row in the result set. Unlike aggregate …
SQL Server LAG () Function By Practical Examples
This tutorial shows you how to use the LAG () function to access a row at a specific physical offset which comes before the current row.
Understanding the LAG() Function in SQL: A Complete Guide
Jul 5, 2024 · One of these powerful functions is the LAG() function, which is one of the commonly used window functions. It opens the door to comparing and calculating the change in values over a …
SQL LAG() Function - LearnSQL.com
Jun 11, 2024 · The LAG () function – one of SQL’s window functions – is an important tool for planning and trend analysis. In this article, I’ll demonstrate how to include SQL LAG () in your queries using a …
SQL LAG Function - Tutorial Gateway
The SQL Server LAG function is one of the Analytic functions that acts precisely opposite to LEAD to perform advanced data analytics. It allows you to access the data or value from a previous row …
SQL LEAD and LAG Functions – Previous and Next Row Examples
Learn how to use SQL LEAD and LAG functions to access previous and next row values without self-joins. These powerful window functions make it easy to compare records, calculate changes, and …
SQL Server: LAG Function - TechOnTheNet
This Oracle tutorial explains how to use the SQL Server (Transact-SQL) LAG function with syntax and examples. It is an analytic function that lets you query more than one row in a table at a time without …
LAG – SQL Tutorial
The SQL LAG () function is a powerful analytical function that allows you to access data from a previous row within a result set. Specifically, it allows you to retrieve data from a specified offset before the …