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我有以下表格:Persons,Person_Categories和Persons_PersonCategories,它是n:m关系的链接表。在查询中插入,更新,删除语句
我也写了下面的查询,但插入语句无法正常工作。插入,更新和删除是单独的语句。该错误消息我得到的是
SELECT Persons_PersonCategories.PersonID, PrsCategory
FROM Person_Categories
INNER JOIN Persons_PersonCategories
ON Persons_PersonCategories.PrsCatID = Person_Categories.PrsCatID
INSERT INTO Persons_PersonCategories
VALUES (:PrsCategory)
UPDATE Persons_PersonCategories
SET Persons_PersonCategories.PrsCatID = :PrsCatID
WHERE Person_Categories.PrsCatID = :OLD PrsCatID
AND Persons.PersonID = :OLD PersonID
DELETE FROM Persons_PersonCategories
WHERE Person_Categories.PrsCatID = :PrsCatID
AND Persons.PersonID = :PersonID;
任何帮助将不胜感激“列数不为1的行匹配值计数”, 攒
你可能在你的INSERT语句中,前指定列列表:插入到表(COL1,COL2)值(:VAL1,:VAL2) – 2012-01-18 17:36:47
国家请你的表格模式。 – 2012-01-18 17:37:57
这看起来不像一个查询。相反,它看起来像四个单独的陈述。 – dasblinkenlight 2012-01-18 17:38:52