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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.
If you have an array of a nested object that you want to extract, then you must resort to the JSON_QUERY function. As obvious as it might ... and then indexing those columns. Here's an example in ...
The outer PROC SQL query retrieves data from the view descriptor ... the subquery must return a single value. In this example, the AVG summary function returns the average salary of employees in the ...
Analyze database contents using basic, intermediate and advanced SQL statement syntax and usage. Demonstrate capability to query data from multiple tables using SQL JOINS. Create and modify database ...