访问权限删除要求加星号(*): DELETE * FROM ...
此外,必须使用括号将联接嵌套:
DELETE test1.*, test2.*, test3.*, test4.*
FROM
(
(
test1
LEFT JOIN test2 ON test1.qid = test2.id
)
LEFT JOIN test3 ON test2.tid = test3.id
)
LEFT JOIN test4 ON test1.qid = test4.id
WHERE test1.id = {0}
这特定于Access(Jet)sql。