SQL, Auxiliary table of numbers

Question

For certain types of sql queries, an auxiliary table of numbers can be very useful. It may be created as a table with as many rows as you need for a particular task or as a

Answer 1

Using SQL Server 2016+ to generate numbers table you could use OPENJSON :

-- range from 0 to @max - 1
DECLARE @max INT = 40000;

SELECT rn = CAST([key] AS INT) 
FROM OPENJSON(CONCAT('[1', REPLICATE(CAST(',1' AS VARCHAR(MAX)),@max-1),']'));

LiveDemo

---

Idea taken from How can we use OPENJSON to generate series of numbers?