MySQL更新單個表加入

Question

我有一個表「REVIEW」中的值需要根據表中具有相同REFERENCE_NUMBER，具體REVIEW_TYPE和REVIEW_STATUS的其他記錄將REVIEW_STATUS從「UNDER_REVIEW」更改爲「Abstain」是「ABSTAIN」。我已在SQL小提琴

http://sqlfiddle.com/#!2/8227f/1

建立一個樣品，我可以查詢表的記錄，但我有困難得到更新查詢正確的。

-- run 
UPDATE TABLE REVIEW AS REV1 
LEFT JOIN REVIEW AS REV2 
ON (REV1.REFERENCE_NUMBER=REV2.REFERENCE_NUMBER) 
SET REV1.REVIEW_STATUS='ABSTAIN' 
WHERE 
REV1.REVIEW_TYPE ='QOC' 
AND 
REV1.REVIEW_STATUS='UNDER_REVIEW' 
AND 
REV2.REVIEW_TYPE ='MED_NEC' 
AND (REV2.REVIEW_STATUS ='ABSTAIN') 
; 

您的幫助表示感謝！謝謝！

Answer 1

變化

UPDATE TABLE REVIEW AS REV1 
... 

到

UPDATE REVIEW AS REV1 
... 

更新SQLFiddle

Answer 2

這是字表

UPDATE REVIEW AS REV1 
LEFT JOIN REVIEW AS REV2 
ON (REV1.REFERENCE_NUMBER=REV2.REFERENCE_NUMBER) 
SET REV1.REVIEW_STATUS='ABSTAIN' 
WHERE 
REV1.REVIEW_TYPE ='QOC' 
AND 
REV1.REVIEW_STATUS='UNDER_REVIEW' 
AND 
REV2.REVIEW_TYPE ='MED_NEC' 
AND (REV2.REVIEW_STATUS ='ABSTAIN') 
;