sql server - Sorting hierarchical text in SQL - Stack Overflow
Apr 17, 2015 · ORDER BY CAST('/' + IIF(RIGHT([Value],1) = '.', LEFT([Value], LEN([Value]) - 1), [Value]) + '/' AS HIERARCHYID); You can check the hierarchyid for more details.
SQL: ORDER BY using a substring within a specific column.
You can put a CASE statement in the ORDER BY to accomplish this. A better route would be to change the application and table to actually store this relevant data in columns where it belongs when you have the development time to do that.
sql server - Extract hierarchy from String - Stack Overflow
Dec 12, 2019 · FOR SQL SERVER 2016 and above you can try the below code that uses STRING_SPLIT. SELECT code, value path, row_number() over (partition by code order by (SELECT NULL)) Level FROM mytable CROSS APPLY STRING_SPLIT(path, '/'); …
Hierarchical Data and How to Query It in SQL? - GeeksforGeeks
Mar 19, 2024 · The output showcases the hierarchical paths for every node in the structure. For example, Node 1.1.1 is displayed with its unique ID, name, and a path representation indicating its position in the hierarchy, such as "Node 1 > Node 1.1 > Node 1.1.1."
SQL Server SUBSTRING () Function - W3Schools
The SUBSTRING () function extracts some characters from a string. Required. The string to extract from. Required. The start position. The first position in string is 1. Required. The …
sql server - Creating a hierarchy from text - Database …
Mar 22, 2023 · FROM dbo.SomeData AS this OUTER APPLY ( SELECT TOP (1) that.CODE_ACT FROM dbo.SomeData AS that WHERE this.CODE_ACT LIKE that.CODE_ACT + '_%' ORDER BY that.CODE_ACT DESC ) AS x ) , Recursive AS ( SELECT CODE_ACT , PARENT_CODE , Level = 0 FROM Hierarchical WHERE PARENT_CODE IS NULL UNION ALL SELECT ch.CODE_ACT , ch.PARENT_CODE , par.Level + 1 ...
Get hierarchical data in order - SQLRelease
Jul 21, 2015 · Ordered hierarchical data from above user defined hierarchy, can be achieved with a recursive common table expression (CTE) or using a loop. We are using recursive CTE to achieve this.
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SQL Server hierarchical query with CTEs
Feb 22, 2021 · The ORDER BY clause must be used in a hierarchical CTE in order for the results to make sense. Without the sorting, the outline or indentation view won’t place sub items in the right order.
Displaying Hierarchical Data – SQLServerCentral
Sep 20, 2016 · Producing hierarchies from SQL tables can necessitate joining a table to itself. This article will explain how you can do this.
sql - How to order rows by hierarchy - Stack Overflow
Sep 30, 2015 · Can be done with the following recursive CTE: SELECT *, CAST(ROW_NUMBER() OVER(ORDER BY id) AS REAL) rn, 1 level. FROM tbl. WHERE parent = 0. UNION ALL. SELECT t2.*, cte.rn + (CAST(ROW_NUMBER() OVER(ORDER BY t2.id) AS REAL) / POWER(10, cte.level)) rn, cte.level + 1 level. FROM tbl …