Question

So I have a table with 10 records.

SELECT * FROM Komponens WHERE fkod = "SO"

It gives me a table with about 5 record. But I want the result without that 5 records.

For example:

fkod   kkod
SU     AA
SU     AC
SA     AB
CI     AC
CI     AA

fkod is the name of spice (SU – sugar, SA – salt, CI – cinnamon) and kkod is the name of the mixture of spices. I’m out of sugar and I want to show the mixtures that I can create, because there is no sugar needed for them (in this case just SA – AB).

If I use SELECT * FROM Komponens WHERE fkod != "SU" I get AB, AC and AA.

How can I solve it in SQL?

Answer 1

Amend to work with the new logic. Please try this:

SELECT * 
FROM Komponens
WHERE kkod NOT IN (
    SELECT kkod
    FROM Komponens
    WHERE fkod = "SU"
)