What is an SQL Window Function? A window is a set of rows or observations in a table or result set. In a table, you may have more than one window depending on how you specify the query.

This query uses the SUM window function to calculate the running total of orders for each customer based on the order date. -- Here, the LEAD function is used to find the time difference (time gap) ...

The LOADCLASS and INSTANCE SCL functions only needed to be specified once. The following example searches the SQL DICTIONARY.CATALOG rows for the SASUSER library and PROFILE catalog to find all ...

For example, if you add an extra import-mode table to the dataset with the data from the fact table aggregated to year granularity: …and set it up as an aggregation table: …then any queries ... SQL in ...

Naturally, the next step is learning more advanced concepts like Windows Functions, Common Table Expressions (CTEs), Sub Queries ... these examples. Firstly, what are Window Functions? They are ...