SELECT * FROM `programme` left join uptodate_okat on (oberkategorie=uptodate_okat.okat) WHERE `datum`>'2017-00-00' order by oberkategorie,name;
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Fatal error: Uncaught Error: Call to a member function query() on null in /homepages/39/d24126784/htdocs/stcomputer/inc/uptodate.php:32 Stack trace: #0 /homepages/39/d24126784/htdocs/stcomputer/index.php(28): include() #1 {main} thrown in /homepages/39/d24126784/htdocs/stcomputer/inc/uptodate.php on line 32