Multiple LEFT JOIN in Access
The Access DELETE requires a star (*): DELETE * FROM ...
In addition, the joins must be nested by using parentheses:
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}
This is specific to Access (Jet) SQL.
Here is a sample select statement on three tables with left joins:
SELECT
FROM (Table1 LEFT JOIN Table2 ON Table1.field1 = Table2.field2)
LEFT JOIN Table3 ON Table2.field2 = Table3.field3;
Your deleted statement:
DELETE test1.*, test2.*, test3.*, test4.*
FROM
((test1 LEFT JOIN test2 ON test2.qid = test1.id)
LEFT JOIN test3 ON test3.tid = test2.id)
LEFT JOIN test4.qid = test1.id)
WHERE (((test1.id) = [SomeParameter]));