CODE EXAMPLE FOR SQL

TSQL convert csv to table

CREATE FUNCTION [dbo].[CSV2TABLE] (@InStr nvarchar(MAX))
RETURNS @TempTab TABLE
   (id nvarchar(MAX) NOT NULL)
AS
BEGIN
    
	SET @InStr = REPLACE(@InStr + ',', ',,', ',')
	DECLARE @SP INT
	DECLARE @VALUE nvarchar(MAX)

	WHILE PATINDEX('%,%', @INSTR ) <> 0 
	BEGIN
  	 SELECT  @SP = PATINDEX('%,%',@INSTR)
  	 SELECT  @VALUE = LEFT(@INSTR , @SP - 1)
  	 SELECT  @INSTR = STUFF(@INSTR, 1, @SP, '')
   	INSERT INTO @TempTab(id) VALUES (@VALUE)
END
	RETURN
END