Web在單個CASE WHEN語句SQL Server中一次通過ASC和DESC進行排序 ... SELECT ROW_NUMBER() OVER(ORDER BY CASE @sortBy WHEN 'date' THEN CP.PostDate END … WebOct 8, 2024 · ORDER BY CASE WHEN location = 'New York' THEN 1 WHEN location = 'Boston' THEN 2 WHEN location = 'Toronto' THEN 3 ELSE 4 END This time we’re selecting all the columns. The use of ORDER BY and CASE is similar to our previous example.If you want to learn more about this topic, check out this article that covers SQL data types extensively.

SQL ORDER BY - W3School

WebDec 19, 2024 · The ORDER BY is applied based on that virtual field. The zero value in the order by precedes the NULL value. That's all, it's a way to set NULLs of the field1 at the end of the order list. Try to visualize it in this way: SELECT *, CASE WHEN Field1 IS NOT NULL THEN 0 END as Filed1Order FROM Table1 ORDER BY CASE WHEN Field1 IS NOT NULL … WebWriting PostgreSQL CASE s Let's start simple. You will now write a CASE to group the countries with respect to the independence year. Independence years are recorded in the indep_year column. Let's say you have three groups of independence years of the countries which you need to follow. You will create three groups of independence years for this - chinese navy ship count

How to select only the earliest date per group - Microsoft Q&A

WebThe ORDER BY command is used to sort the result set in ascending or descending order. The ORDER BY command sorts the result set in ascending order by default. To sort the … WebJan 3, 2007 · select name, age, address from employee order by name Now i want to do sorting as ASC or DESC in order by clause dynamically. I tried something like this :- declare @Order int set @Order = 1 select name, age, address from employee order by name CASE WHEN @Order = 0 THEN ASC WHEN @Order = 1 THEN DESC END chinese navy patrol boats