我只想要一個國家一行。我只想要一個國家一行?
我加入了兩列。
SELECT
brief_title AS Title,
study_type AS [Study Type],
location_countries_country + location_facility_address_country AS Country,
FROM
[dbo].[ClinicalTrialStaging]
WHERE
study_type = 'all'
AND (location_countries_country LIKE '%United States%' OR
location_facility_address_country LIKE '%United States%')
我得到了這樣的結果:
Country
----------------------------
United States|United States|
United States|United States|
United States|United States|
我有兩個國家在同一行,但我想只有一個國家特定行
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