Order by case oracle

Sometimes I give parts of a solution to increase the play time to solve a problem. I didn’t anticipate a problem when showing how to perform a sort operation with a CASE statement. It’s a sweet solution when you need to sort something differently than a traditional ascending or descending sort. I tried an experiment where a user-preferred sort order gave them the option of sorting a list alphabetically or by due date, and T-SQL kept trying to convert the string field to an integer. If the optional fields are the same data type the CASE statement works fine.

Oracle CASE expression examples. I am facing difficulty in understanding oracle (12c) sql order by clause with case statement. In other words, if you want to order by a column, that column must be specified in the SELECT list. Expression A sort key expression, such as numeric, string, and datetime expressions. Expression can also be a row value expression such as a scalar subquery or case expression.

ASC Specifies that the should be returned in ascending order. Thanks for the question, suresh. You can specify only one expression to order by inside the CASE expression, if you want to order by you need to add after the END of the CASE expression.

The case must return only one value. Ordering using CASE expressions. For instance, if you have two favourite books that you always want to appear on. ACT_TERM_ID IS IN PARAMETER PASSED IN PROCEDURE. If you want to use the parameter in a SQL statment, then give it a name that is different from the column name.

It orders the result set by specified column list. When used with character data type columns it sorts data in dictionary-order. That example was a simple one, this post provides more insight on this tip.

Most of us must have experienced this problem at least once when you want to order some of your records in a specific way. ORDER BY clause can be used to sort the returned by SELECT statement in SQL Server. CASE ORDER BY with multiple columns, and different sort options. Ask Question Asked years, months ago. You only need the sort order to change on the first fiel.

This is the fourth part of a series of articles showing the basics of SQL. SQL for Beginners (Part 4) : The ORDER BY Clause. In this article we take a look at how you can influence the order of the data that is returned by queries. SQL SERVER – CASE Statement in ORDER BY Clause – ORDER BY using Variable.

SQL, SQL Performance, SQL Server, SQL Tips and Tricks. This article is as per request from Application Development Team Leader of my company. Rozszerzone możliwości ORDER BY.

Implementacja ORDER BY w T-SQL do wersji 10. SQL oferuje nam klauzurę ORDER BY dzięki niej możemy ustalić po jakiej kolumnie informację będą posortowane. Jak jednak przekazać dynamicznie informacje po której kolumnie chcemy sortować wykonując dane zapytanie. Tutaj pojawia się słowo kluczowe CASE. All, Can we do ORDER BY ignore Case ? The expression is stated at the beginning, and the possible are checked in the condition parameters.

Question: I am using the NULL value clause (NVL) pursuant to your notes on husing NVL and I wonder if the order by xxx nulls first clause can work as an alternative?