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我有一個1064的錯誤:SQL語法和與計數
You have an error in your SQL syntax; check the manual that correspond to your MySQL server version for the right syntax to use neear
'*) as NB_FR, sum (*)) as MT_FR FROM gc_mouvements where COOPX="477" or COOPX="4'
at line 4
這裏是我使用的代碼,我不理解錯誤的由來:
ALTER TABLE gc_modele_retrait ADD COLUMN
(Nb_frais_477 int(5),Nb_frais_481 int(5),Mt_frais_477 int(5),Mt_frais_481 int(5));
UPDATE gc_modele_retrait
SET Nb_frais_477=0, Nb_frais_481=0, Mt_frais_477=0, Mt_frais_481=0;
DROP TABLE IF EXISTS gc_modele_retrait_frais;
CREATE TABLE gc_modele_retrait_frais
(PRIMARY KEY (COCO))
ENGINE=myisam
SELECT COCO, COOPX, COUNT(*) AS NB_FR, SUM(*) AS MT_OPE
FROM gc_mouvements WHERE COOPX="477" OR COOPX="481" GROUP BY COCO, COOPX;
我猜'SUM(*)'會導致一個錯誤 - 你試圖爲什麼列計算總和? –
嗨,我試圖計算'Nb_frais_477'和'Nb_frais_481'列 –
所以,像「SUM(Nb_frais_477 + Nb_frais_481)」或甚至沒有「SUM」(只需添加這兩列)? - 也許我錯了,我不確定你想要完成什麼...... –