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copied!<p>Another approach that works on Sybase ASE 12.5.4. The table must have a clustered index on id, in order for this to work. Assuming that table name is MYTABLE:</p> <pre><code>declare @strNew varchar(10), @strOld varchar(10), @str1 varchar(1000), @str2 varchar(1000) set @str1 = NULL, @str2 = NULL, @strNew = NULL, @strOld = NULL UPDATE MYTABLE SET @strNew = convert(varchar,id) , @str1 = case when @strNew = @strOld then @str1 + convert(varchar,id_type) + "," else @str1 + '$' + @strNew + '$' + convert(varchar,id_type) + "," end , @str2 = case when @strNew = @strOld then @str2 + convert(varchar,id_ref) + "," else @str2 + '$' + @strNew + '$' + convert(varchar,id_ref) + "," end , @strOld = convert(varchar,id) select id, substring(@str1,charindex("$" + convert(varchar,id) + "$",@str1) + len("$" + convert(varchar,id) + "$"), case when charindex(",$",substring(@str1,charindex("$" + convert(varchar,id) + "$",@str1) + len("$" + convert(varchar,id) + "$") + 1,len(@str1))) = 0 then len(@str1) - (charindex("$" + convert(varchar,id) + "$",@str1) + len("$" + convert(varchar,id) + "$")) else charindex(",$",substring(@str1,charindex("$" + convert(varchar,id) + "$",@str1) + len("$" + convert(varchar,id) + "$") + 1,len(@str1))) end ) + ':' + substring(@str2,charindex("$" + convert(varchar,id) + "$",@str2) + len("$" + convert(varchar,id) + "$"), case when charindex(",$",substring(@str2,charindex("$" + convert(varchar,id) + "$",@str2) + len("$" + convert(varchar,id) + "$") + 1,len(@str2))) = 0 then len(@str2) - (charindex("$" + convert(varchar,id) + "$",@str2) + len("$" + convert(varchar,id) + "$")) else charindex(",$",substring(@str2,charindex("$" + convert(varchar,id) + "$",@str2) + len("$" + convert(varchar,id) + "$") + 1,len(@str2))) end ) as concatenation from MYTABLE group by id </code></pre>

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