Concatenate 2 rows in a complex SQL query

Question

I\'m using MS-Access 2003 with the query creator. I select everything from one table (FaitsSaillants), then one specific row (WHERE VARIABLE=\'TitreMandat\'

Answer 1

How about:

PARAMETERS [CurrAxe] TEXT ( 255 ), [CurrOTP] TEXT ( 255 ), [CurrClient] TEXT (
255 ), [StartDate] DATETIME, [EndDate] DATETIME;

SELECT q.Projet, *
FROM   (faitssaillants f
LEFT JOIN employes e
ON f.utilisateur = e.cip)
INNER JOIN (
SELECT s1.otp,
     [s1].[valeur] & "," & [s2].[valeur] AS Projet
FROM   (
  SELECT otp, valeur
  FROM   tb_sommaire
  WHERE  [variable] = 'TitreMandat') AS s1
INNER JOIN (
   SELECT otp, valeur
   FROM   tb_sommaire 
   WHERE  [variable] = 'NomInstallation') AS s2
ON s1.otp = s2.otp) q
ON f.otp = q.otp
WHERE f.otp  = [currotp] 
AND f.client LIKE [currclient] 
AND f.axe LIKE [curraxe] 
AND Datevalue([dateinsertion]) 
    Between [startdate] And [enddate] 
ORDER  BY f.dateinsertion DESC; 

It is always best to avoid referencing all fields as *. Fields (columns) should be listed by name.

The above depends on creating a derived table that groups rows from tb_sommaire by Otp. You can cut and paste the derived table into a query design screen (sql view) to check that the rows returned are as expected.