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 …

Discover how to use the LAG () function in SQL with examples, common use cases, and error handling tips to optimize your queries.

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 …

Oct 18, 2023 · The LAG() function is a window function that’s available in many SQL databases. It returns the value of a given expression from the row that lags (precedes) the current row by a …

The LAG function in SQL is a window function that retrieves the value of a specified column from the previous row (or a row offset backward) within a defined window, based on the order you …