MySql Update Select 嵌套

UPDATE `TB_CM_Dic` SET `ParentID` = (SELECT `ID` FROM (SELECT * FROM `TB_CM_Dic`) AS B WHERE `DicName` = 药品类别)
WHERE `ID` = 
(
    SELECT `ID`
    FROM(
        SELECT *
        FROM `TB_CM_Dic`
        WHERE `DicName` = 日常用品 AND `ParentID` = 
        (
            SELECT `ID` D
            FROM `TB_CM_Dic` D
            WHERE D.`DicName` = 药品
        )
    ) AS C
)

 

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