Web1 day ago · So I have a table that contains just two columns ID, Tag. Sample data: 1, France 2, Germany 3, Spain 4, USA 5, Spain ... and so on I use a query to pull out the five most popular tags: SELECT COUNT (ItemID) as tagcount, tag FROM TagTable GROUP BY Tag order by tagcount desc limit 0, 5 This works well and gives an output, for example: WebThe ORDER BY keyword is used to sort the result-set in ascending or descending order. The ORDER BY keyword sorts the records in ascending order by default. To sort the records in …
Order by on two columns very slow compared to order by on a single column
WebNov 15, 2011 · declare @t table (ColumnA int,ColumnB int) insert into @t select 24,25 union all select 40,43 union all select 35,60 ;with cte as ( select columnA,ROW_NUMBER ()over (order by columnA desc) as r from @t ),cte1 as ( select columnB,ROW_NUMBER ()over (order by columnB desc) as r from @t ) WebNov 9, 2024 · I am trying to assign a last column value on a table to a variable and it worked if I try my simple sql statement below : > declare @location nvarchar(50); > select @location = location FROM dbo.productcategory order by ProductCategoryID desc; print @location. Viorel has showed you how to use dynamic SQL with output parameters. highstresser
sql order by - SQL multiple column ordering - Stack Overflow
WebFeb 7, 2024 · 1 Answer Sorted by: 0 Use ROW_NUMBER () function better. SELECT name, category, ROW_NUMBER () OVER (PARTITION BY name, category ORDER BY name, category) unique_id FROM test; name category unique_id :--- :------- --------: A Alpha 1 A Alpha 2 A Alpha 3 A Beta 1 A Beta 2 B Alpha 1 B Alpha 2 B Theta 1 WebFeb 16, 2024 · SQL concatenation is the process of combining two or more character strings, columns, or expressions into a single string. For example, the concatenation of … WebMay 13, 2024 · You can choose the order (i.e. ascending or descending) for each of the columns listed in ORDER BY. To specify the order, you simply put the DESC or ASC … small ship cruises in united states