sqlite&内部连接查询

eimct9ow 于 2021-08-13 发布在 Java

关注(0)|答案(2)|浏览(390)

大家好，我有一个查询，其中有3个表在连接。在access中它可以工作，但是在sqlite中它给了我一个错误，我如何“适应”sql命令？谢谢

UPDATE (
    CategoriaTB 
    INNER JOIN MagazzinoTB ON CategoriaTB.IDCategoria = 
MagazzinoTB.IDCategoria
) INNER JOIN PersoneTB ON MagazzinoTB.IDPersone = 
PersoneTB.IDPersone 
SET MagazzinoTB.DataReso = "aaa"
WHERE ((
    (PersoneTB.CodicePer)="F") 
    AND ((MagazzinoTB.Stato)=0) 
    AND ((MagazzinoTB.DataVendita) Is Null)
)

sql Join sqlite sql-update

来源：https://stackoverflow.com/questions/62120489/sqlite-inner-join-query

2条答案

按热度按时间

mwkjh3gx1#

sqlite不支持 UPDATE 声明，但你可以用 EXISTS :

UPDATE MagazzinoTB 
SET DataReso = 'aaa'
WHERE Stato = 0 AND DataVendita IS NULL
  AND EXISTS (SELECT 1 FROM CategoriaTB c WHERE c.IDCategoria = MagazzinoTB.IDCategoria)
  AND EXISTS (SELECT 1 FROM PersoneTB p WHERE p.IDPersone = MagazzinoTB.IDPersone AND p.CodicePer = 'F')

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bejyjqdl2#

请使用下面的查询，

UPDATE MagazzinoTB set DataReso = 'aaa' WHERE (IDCategoria, IDPersone)
IN (SELECT CategoriaTB.IDCategoria, PersoneTB.IDPersone FROM CategoriaTB 
INNER JOIN MagazzinoTB ON 
CategoriaTB.IDCategoria = MagazzinoTB.IDCategoria
INNER JOIN PersoneTB 
ON MagazzinoTB.IDPersone = PersoneTB.IDPersone
WHERE (((PersoneTB.CodicePer)="F") AND ((MagazzinoTB.Stato)=0) AND 
((MagazzinoTB.DataVendita) Is Null)));

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sqlite&内部连接查询

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