Re: Conditional Lookup Table with Like

Ahh missing the LEFT JOIN. That's it! Thanks very much for your help David!

SELECT table1.product_code, table1.date_signed, table1.description,
COALESCE ((
SELECT table3.category
FROM table3
WHERE table3.psc_code = table1.product_code
AND lower(table1.description) LIKE ('%' || lower(table3.lookup_value) ||
'%')
), table2.category)
FROM table1 LEFT JOIN table2 ON table2.psc_code = table1.product_code
WHERE date_signed = '2017-02-01';

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