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How acheive random results from a recordset that has INNER JOIN and GROUP BY in its SELECT statement?

Thread began 10/18/2017 7:58 pm by Nathon Jones Web Design | Last modified 6/13/2018 6:04 pm by Nathon Jones Web Design | 1025 views | 12 replies

Nathon Jones Web Design

Error in SQL syntax? Have never managed to solve this.

$rsGALLERYSUBCS = new WA_MySQLi_RS("rsGALLERYSUBCS",$csdbmysqli,20);
$rsGALLERYSUBCS->setQuery("SELECT NJlinkcatsubgal.NJcatSUBID, NJcategoriesSUB.NJcatSUBTITLE, galleryRand.NJgalleryID, galleryRand.NJdomainID, galleryRand.NJgalleryIMG FROM NJlinkcatsubgal INNER JOIN NJcategoriesSUB ON NJlinkcatsubgal.NJcatSUBID = NJcategoriesSUB.NJcatSUBID INNER JOIN (SELECT NJgallery.* FROM NJgallery ORDER BY Rand()) AS galleryRand ON NJgallery.NJgalleryID = NJlinkcatsubgal.NJgalleryID WHERE galleryRand.NJdomainID = $domainID AND galleryRand.NJgalleryDELETE = 2 GROUP BY NJcategoriesSUB.NJcatSUBTITLE");

Here's our tables and relevant fields:
NJgallery - NJgalleryID, NJgalleryIMG, NJdomainID
NJlinkcatsubgal - NJlinkcatsubgalID, NJcatSUBID, NJgalleryID (this is the link table between the gallery and the categories) Rand() valid?
Hope you can clarify this one.
Appreciate any help offered.

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