Important Points About SQL LAG() Function

  • The SQL LAG() function is a window function that allows users to access data from earlier rows in a dataset.
  • It enables users to compare current row values with values from previous rows, especially those related to time or specific columns.
  • The LAG() function is valuable for analyzing changes over time, such as stock market data, daily trends, and alterations in multiple columns.

SQL LAG() Function

The SQL LAG() function is a window function that provides access to a row at a specified physical offset which comes before the current row.

LAG function in SQL Server is used to compare current row values with values from the previous row.

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Important Points About SQL LAG() Function

The SQL LAG() function is a window function that allows users to access data from earlier rows in a dataset. It enables users to compare current row values with values from previous rows, especially those related to time or specific columns. The LAG() function is valuable for analyzing changes over time, such as stock market data, daily trends, and alterations in multiple columns....

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