使用sql連接更新表

我想基於另一個表中的某個值是否爲'999'來更新表。以下是代碼。我正在穿越數據庫，所以我對語法有點困惑。使用sql連接更新表

我收到此錯誤： SQL錯誤：關鍵字'左'附近的語法不正確。

declare @ProcessDate datetime 
set @ProcessDate=getdate() 

update ${BccrDatabase}..ReturnsHeader 
    left join ${JdeDatabase}.f47011 poh on --Temp Header 
    poh.SYEDOC = ReturnsHeader.DocumentNumber and poh.SYEDCT = 'EP' 
    left join ${JdeDatabase}.f4201 soh on --Prod Header 
    soh.SHKCOO = poh.SYEKCO 
    and soh.SHDOCO = poh.SYDOCO 
    and soh.SHDCTO = poh.SYEDCT 
    left join ${JdeDatabase}.f4211 sod on --Production Detail 
    sod.SDKCOO = soh.SHKCOO 
    and sod.SDDOCO = soh.SHDOCO 
    and sod.SDDCTO = soh.SHDCTO 
    left join jde_crp.crpdta.f42119 hist on --History Detail 
    hist.sddoco = soh.SHDOCO and 
    hist.sdkcoo = soh.SHKCOO and 
    hist.sddcto = soh.SHDCTO 
set 
    [email protected] 
where 
    SentToEdiDate is null 
    and ApprovalStepID=4 -- Complete 
    and [email protected] 
    and sod.SDNXTR is not null or hist.SDNXTR is not null 
    and sod.SDNXTR = '999' or hist.SDNXTR = '999'

來源

2013-02-26 Jeff

哪些DBMS您使用的？ – araknoid 2013-02-26 19:00:33

請不要刪除您的問題的相關內容。這被認爲是破壞行爲。它使郵件不會對未來的訪問者有用。 – jadarnel27 2013-04-11 15:29:41

如果我理解正確你的代碼應該是這樣的：

declare @ProcessDate datetime 
set @ProcessDate=getdate() 

update ${BccrDatabase}..ReturnsHeader 
set [email protected] 
FROM ${BccrDatabase}..ReturnsHeader 
    left join ${JdeDatabase}.f47011 poh on --Temp Header 
     poh.SYEDOC = ReturnsHeader.DocumentNumber and poh.SYEDCT = 'EP' 
    left join ${JdeDatabase}.f4201 soh on --Prod Header 
     soh.SHKCOO = poh.SYEKCO 
     and soh.SHDOCO = poh.SYDOCO 
     and soh.SHDCTO = poh.SYEDCT 
    left join ${JdeDatabase}.f4211 sod on --Production Detail 
     sod.SDKCOO = soh.SHKCOO 
     and sod.SDDOCO = soh.SHDOCO 
     and sod.SDDCTO = soh.SHDCTO 
    left join jde_crp.crpdta.f42119 hist on --History Detail 
     hist.sddoco = soh.SHDOCO and 
     hist.sdkcoo = soh.SHKCOO and 
     hist.sddcto = soh.SHDCTO 
where 
    SentToEdiDate is null 
    and ApprovalStepID=4 -- Complete 
    and [email protected] 
    and sod.SDNXTR is not null or hist.SDNXTR is not null 
    and sod.SDNXTR = '999' or hist.SDNXTR = '999'

一般結構爲：

UPDATE a 
    SET a.YourColumn = newValue 
FROM Table1 AS a 
JOIN Table2 AS b 
    ON a.JoinColumn = b.JoinColumn 
WHERE ...

來源

2013-02-26 19:02:09 RMalke

使用sql連接更新表

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