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Koha Customized SQL Reports

Koha Customized SQL Reports Note: Some SQL queries customized in Koha's backend ensure the Koha supports or not.  Issue SELECT        staff.cardnumber AS 'Staff Card Number',     CONCAT(staff.firstname, ' ', staff.surname) AS 'Staff Name',     a.action AS 'Action',     a.timestamp AS 'Time',     c.barcode AS 'Acc. Number',     d.title AS 'Title',     CONCAT(k.firstname, ' ', k.surname) AS 'User Name',     k.cardnumber AS 'User ID',     ExtractValue(T5.more_subfields_xml, '//datafield[@tag="999"]/subfield[@code="A"]') AS 'Floor',     issues.date_due AS 'Due Date' FROM     action_logs a LEFT JOIN     borrowers staff ON a.user = staff.borrowernumber LEFT JOIN     items c ON a.info = c.itemnumber LEFT JOIN     biblio d ON c.biblionumber = d.biblionumber LEFT JOIN     borrowers k ON a.object = k.borrowernumber LEFT JOIN   ...

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