Andrew,
>I need to update a table without disturing the recordset however there are
>or could be some overlaps with data is there a way I can compare id fro
>the same 2 tables, one new one old?
Here's one way...
SELECT
MIN(TableName) as TableName, id
FROM (
SELECT 'Table a' as TableName, a.id
FROM a
UNION ALL
SELECT 'Table b' as TableName, b.id
FROM b
) AS tmp
GROUP BY id
HAVING COUNT(*) = 1
ORDER BY id;
PB
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