WebMar 23, 2024 · A sequência das colunas de classificação na cláusula ORDER BY define a organização do conjunto de resultados classificado. Ou seja, o conjunto de resultados é classificado pela primeira coluna e então essa lista ordenada é classificada pela segunda coluna e assim por diante. WebThe default sort order is ascending (A to Z, 0 to 9). Both of the following examples sort employee names in last name order: SELECT LastName, FirstName. FROM Employees. ORDER BY LastName; SELECT LastName, FirstName. FROM Employees. ORDER BY LastName ASC; To sort in descending order (Z to A, 9 to 0), add the DESC reserved word …
ROW_NUMBER() ORDER BY with CASE clause - SQLServerCentral
WebSep 9, 2024 · DESC:データを降順に並べ替える SQLではこのようなルールとなっていますので、覚えて使えるようにしましょう。 複数の要素で並べ替える ORDER BYに複数のカラム名を指定することで、複数の要素で並べ替えることも可能 です。 コード例 SELECT age,id FROM TEST.Student ORDER BY age,id ASC; 実行結果 上記のコードは、ageカラムとidカ … WebMay 19, 2008 · Following query will return results descending order by first column on the table, EMP. Ex: select * from EMP order by 1 desc Why same concept is not working if I use SORT with CASE statment? SELECT * FROM (SELECT 10 a,30 b FROM dual UNION SELECT 50,20 FROM dual) ORDER BY case when :input = 1 then a end DESC, case when :input = 2 … inchmahome island
一起聊聊ORACLE中ORDER BY的多种排序-每日运维
WebJan 11, 2016 · ORDER BY (CASE DEPT_NAME WHEN 'ACCOUNT' THEN 1 WHEN 'AUDIT' THEN 2 WHEN 'FINANCE' THEN 3 ELSE 4 END) DESC, DEPT_NAME DESC; There is no reason for the value of the CASE to be a character string. The logic really calls for a number. If you use strings, then values larger than 9 will not work as you expect them to. To put it very simply, it’s an SQL statement that goes through and returns values according to the conditions specified. It is SQL’s way of writing the IF-THEN-ELSE logic and consists of five keywords: CASE, WHEN, THEN, ELSE, and END. When used in a SELECT statement, it works like this: if it is the case when the … See more Nope! Although it is most often used there, CASE is not limited to SELECT statements. For example, you can use it in clauses like IN, WHERE, HAVING, and ORDER BY. Using a CASE statement in a query once doesn’t mean you have hit … See more The ORDER BY clause is used to sort the result in either ascending or descending order. Want a refresher on how it works? No problem! This … See more It probably comes to you as a surprise that CASE statements aren’t used only in SELECT statements. You’ve seen it come in handy when used … See more You can also use the CASE statement with keywords other than the ones I have mentioned. For example, you can use it with DESC. Let’s say I put it in the above code: In the previous … See more WebOct 16, 2009 · ORDER BY '+ CASE @order WHEN -1 THEN 'a.publicKey DESC' WHEN -2 THEN 'c.name DESC' WHEN -3 THEN 'html.description DESC' WHEN -4 THEN 'r.region DESC' WHEN -5 THEN 'a.dateCreation... inazuma key shrine location