MS Access：根据另一个表字段的多条记录从一个表中选择记录

Question

My question would be: How can I SELECT records of 1 table, based on another table's multiple records with a specific field value?

So I have 2 tables, both with 3 fields. Important to note, that [suti].[id] === [tartalom].[sutiid].

My job would be to select all [suti].[nev] and [suti].[tipus] that have both "G" and "To" in [tartalom].[mentes]. However, "G" and "To" are recorded in separate records, and that is why I have a problem with this.

In this example I have written below, the only record that should be selected is Something2 || tortaszelet.

How is this achieveable? Thank you for your help in advance:)

Before anybody says, it's not me that did this data structure. This is what I have, and cannot change it.

Table 1: suti

id || nev || tipus

---

1 || Something1 || torta
2 || Something2 || tortaszelet
3 || Something3 || pite

Table 2: tartalom

id || sutiid || mentes

---

1 || 1 || L
2 || 1 || To
3 || 2 || G
4 || 2 || To
5 || 3 || G

Answer 1

All the following is standard SQL.

Simple aggregation to find the corresponding id:

SELECT sutiid
  FROM tartalom WHERE mentes IN ('G', 'To')
 GROUP BY sutiid
HAVING COUNT(DISTINCT mentes) = 2
;

Now just join (not necessarily a join) this with the first table to obtain that row or rows.

SELECT *
  FROM suti
 WHERE id IN (
     SELECT sutiid
       FROM tartalom
      WHERE mentes IN ('G', 'To')
      GROUP BY sutiid
     HAVING COUNT(DISTINCT mentes) = 2
     )
;

Access doesn't support COUNT(DISTINCT x) , but should handle this, which is also standard SQL:

SELECT *
  FROM suti
 WHERE id IN (
     SELECT sutiid
       FROM (
           SELECT DISTINCT sutiid AS sutiid, mentes
             FROM tartalom
            WHERE mentes IN ('G', 'To')
            ) xxx
      GROUP BY sutiid
     HAVING COUNT(*) = 2
     )
;

Answer 2

SELECT * FROM suti WHERE id IN ( SELECT suited FROM ( SELECT DISTINCT sutiid AS sutiid, mentes FROM tartalom WHERE mentes IN ('G', 'To') ) xxx GROUP BY sutiid HAVING COUNT(*) = 2 ) ;

Answer 3

Okay I was able to restructure your solution. Here it is:

SELECT nev, tipus
 FROM suti, tartalom
  WHERE suti.id=sutiid
   AND (mentes="G" or mentes="To")
  GROUP BY nev, tipus
 HAVING Count(sutiid)=2;

Thank you:)