search:ms sql count distinct multiple columns相關網頁資料

- www.google.com.tw
  
  sql - Counting DISTINCT over multiple columns - Stack Overflow
  
  I believe a distinct count of the computed column would be .... posted the correct answer if the OP was using MySQL and not MS SQL Server.
  
  2025-10-01
  
  瀏覽：744
- www.google.com.tw
  
  sql - SELECT COUNT(DISTINCT... ) error on multiple columns ...
  
  Try combining them into a single field: SELECT COUNT(DISTINCT make + ' ' + model) FROM VehicleModelYear ...
  
  2025-09-27
  
  瀏覽：863

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group by - COUNT(DISTINCT) in multiple columns in SQL Server ...

日期：2025-10-01

In Oracle, it's possible to get a count of distinct values in multiple ... You can use a cross apply and values . select T1.AssetId, count(distinct T2....

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Counting occurences of distinct multiple columns in SQL - Stack ...

日期：2025-09-30

SELECT cityandcountry, count(*) as occurrences FROM ( SELECT DISTINCT concat(city, country) FROM tablename ) as baseview;. if you want city ......

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sql - How do I (or can I) SELECT DISTINCT on multiple columns ...

日期：2025-10-02

How do I (or can I) SELECT DISTINCT on multiple columns? ... 'ACTIVE' WHERE id IN (SELECT DISTINCT (saleprice, saledate), id, count(id) .... tests with Oracle to see how the plans compare with Postgres and SQLServer....

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SQL SELECT with DISTINCT on multiple columns - w3resource

日期：2025-10-03

Multiple fields may also be added with DISTINCT clause. ... by clause; Count() function and select with distinct on multiple columns; SQL Online Practice Editor ......

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specifying multiple distinct columns in a COUNT() function ...

日期：2025-10-01

Hi, How do I specify multiple distinct columns in a count function. I am getting an error if I give SQL> select count(distinct company,time,region) ......

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count multiple distinct columns - Microsoft SQL Server - Bytes

日期：2025-09-28

Need help? Post your question and get tips & solutions from a ... I want to build query to return how many rows are in this query: select distinct c1 ......

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none COUNT(DISTINCT COL1,COL2) - MSDN - Microsoft

日期：2025-10-03

Is there any reason that sql doesnt support a distinct on 2 columns..i mean .... Here is one example of getting distinct count on multiple columns ......

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