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[英]T-SQL query to return specific Region and group all result for that Region by the first few characters
[英]How to keep a specific row as the first result of a query (T-SQL)?
我正在編寫SQL查詢以獲取Report Builder 3.0中報表的參數列表。 我需要在結果中添加一個值為'All'的額外行,如下所示:
SELECT 'All'
UNION
SELECT DISTINCT Manager
FROM IS_Projects
這樣可以正常工作,但是查詢會按字母順序將行返回給我,其中我實際上希望“全部”始終顯示在頂部(即,作為第一行返回)。 其余結果可按字母順序排序。
我已經看到了有關向表中添加排序順序列的建議,但我對SQL很新,並且不知道如何執行此操作。
謝謝你的任何建議!
單程;
SELECT Name FROM (
SELECT 'All' as Name
UNION
SELECT DISTINCT Manager
FROM IS_Projects
) T
ORDER BY CASE Name WHEN 'All' THEN 0 ELSE 1 END, Name
這是一種方式:
SELECT Manager
FROM (SELECT 'All' Manager, 1 Order
UNION ALL
SELECT DISTINCT Manager, 2 Order
FROM IS_Projects) A
ORDER BY Order, Manager
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