SQL Script to Delete Unused Segments

While the General Ledger Year-End Close routine can delete unused segments, during implementation, or creation of new companies , we sometimes end up with segments created which are not needed. The below script can be used to remove all segments not assigned to an account (segments which have been used will not be removed).

The script allows the user to define which segment should be removed by changing the highlighted parameter:

/*
Created by Ian Grieve of azurecurve|Ramblings of a Dynamics GP Consultant (https://www.azurecurve.co.uk)
This code is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0 Int).
*/
DECLARE @SGMTNUMB AS VARCHAR(2) = 3

DELETE FROM
	GL40200
WHERE
	SGMTNUMB = @SGMTNUMB
AND
	SGMNTID NOT IN (
			SELECT
				CASE @SGMTNUMB 
				WHEN 1 THEN GL100.ACTNUMBR_1
				WHEN 2 THEN GL100.ACTNUMBR_2
				WHEN 3 THEN GL100.ACTNUMBR_3
				WHEN 4 THEN GL100.ACTNUMBR_4
				WHEN 5 THEN GL100.ACTNUMBR_5
				WHEN 6 THEN GL100.ACTNUMBR_6
				WHEN 7 THEN GL100.ACTNUMBR_7
				WHEN 8 THEN GL100.ACTNUMBR_8
				WHEN 9 THEN GL100.ACTNUMBR_9
				WHEN 10 THEN GL100.ACTNUMBR_10
				END
			FROM
				GL00105 AS GL105
			INNER JOIN
				GL00100 AS GL100
					ON
						GL100.ACTINDX = GL105.ACTINDX
			)
GO