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 …

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 …

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.

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 …

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 …

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 …

Oct 28, 2022 · To use LAG() you need to specify at least an ordering criteria for the rows, as in lag(date) over(order by date). For example: This will compute a previous row by sorting the set …

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 …

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 …

The LAG function is a window function in SQL that allows you to access data from a previous row in the result set without the need for a self-join. It is particularly useful for comparing values in …