Iqembu Ngamakholomu Amaningi Ku-SQL: Umhlahlandlela Ophelele
Funda indlela yokuqoqa idatha ngamakholomu amaningi ku-SQL ngomhlahlandlela wethu wesinyathelo nesinyathelo. Bazi kahle isigatshana se-GROUP BY futhi uthuthukise amakhono akho okubuza kusizindalwazi.