sql - Issue with join and sum in mysql query: invalid use of group function -

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मेरे पास यह अपडेट क्वेरी है: 

  खाता अद्यतन INNER c1 पर शामिल करें c1.user = Account.u_id SET account.amount = account.amount + sum (c1.total_1) जहां t_ype = 8   
 लेकिन यह समूह समारोह का अमान्य उपयोग देता है ... मेरी गलती कहाँ है? < / p>  
 
 
 आपको  जुड़ना  से पहले एकत्रीकरण करने की आवश्यकता है:  < प्री>  खाता अद्यतन करें INNER (चयन करें c1.user, sum (c1.total_1) के रूप में सी 1 ग्रुप से c1.user द्वारा) सी 1 पर c1.user = account.u_id SET account.amount = account.amount + sumc WHERE account.t_ype = 8;

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