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我試圖從兩個表中選擇特定的列,其中一個是派生表,但由於某些原因,我只能選擇*從兩個表中選擇列(內部連接) - 內部連接
這工作:
SELECT *
FROM
(
--Pivot the Custom Fields into a derived table--------------
SELECT [Id], [CustomField], [CustomField2], [CustomField3], [CustomField4], [CustomField5]
FROM
(
SELECT [Id], [FieldValue], [FieldName]
FROM
EntityCustomFieldValues
AS t1
INNER JOIN Contact t2 ON t1.ParentId = t2.Id
)AS SourceTable
PIVOT
(
MAX([FieldValue]) FOR [FieldName] IN ([CustomField], [CustomField2], [CustomField3], [CustomField4], [CustomField5])
)AS PivotTable
-----------------------------------------------------------
) AS t
INNER JOIN Contact ON t.Id = Contact.Id
的問題是,一旦我儘量選擇特定列,我得到一個語法錯誤???
SELECT [t].[Id], [Contact].[FirstName], [t].[CustomField], [t].[CustomField2],
FROM
(
--Pivot the Custom Fields---------------------------------
SELECT [Id], [CustomField], [CustomField2], [CustomField3], [CustomField4], [CustomField5]
FROM
(
SELECT [Id], [FieldValue], [FieldName]
FROM
EntityCustomFieldValues
AS t1
INNER JOIN Contact t2 ON t1.ParentId = t2.Id
)AS SourceTable
PIVOT
(
MAX([FieldValue]) FOR [FieldName] IN ([CustomField], [CustomField2], [CustomField3], [CustomField4], [CustomField5])
)AS PivotTable
----------------------------------------------------
) AS t
INNER JOIN Contact ON t.Id = Contact.Id;
消息156,級別15,狀態1,行 '從' 關鍵字近4 語法不正確。
Msg 156,Level 15,State 1,Line 25 關鍵字'AS'附近的語法不正確。
我試圖把它包在另一個Select中,但那也不起作用。
你必須第一個'FROM'前的逗號。 –
當你使用'AS SourceTable'時,我不認爲你需要關鍵字'AS',儘管我對SQL服務器不太熟悉,所以我可能會錯誤 – Hatik
這樣花太多時間逗號。 .. ....我總是搞砸了一些世俗的細節... –