Web我有以下cte ： WITH cte as ... SELECT p.Name , p.ID , c.OrganisationLevelID -- note that I changed the alias from "p" to "c" to use the parent's value , p.parentId FROM organisations p INNER JOIN cte c ON c.Id = p.parentId ) UPDATE org SET OrganisationLevelID = cte ... WebGenerally, the table referencing itself seems to be the most common method for handling this. Of course, you would have to consider looping. Some DBMSs have CTEs which can use Recursion, so the looping is inherent in the CTE. For Sybase, you'll probably have to throw a loop in code somewhere. Share Improve this answer Follow

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Web8 jul. 2013 · This is known as creating a PivotTable®, creating a cross-tab report, or rotating data." In other words, you can use a Cross Tab or Pivot to convert or transpose information from rows to columns ... Web14 sep. 2024 · Use CTAS to copy a table Perhaps one of the most common uses of CTAS is creating a copy of a table in order to change the DDL. Let's say you originally created your table as ROUND_ROBIN, and now want to change it to a table distributed on a column. CTAS is how you would change the distribution column. assailant\u0027s 9h

UPDATE statement on CTE with INNER JOIN - SQLServerCentral

Web12 feb. 2024 · You can use INSERT INTO with any SELECT statement that produces a result set with unique non-null column names. You can DELETE from joined tables under certain conditions. Usually it's best to... Web19 okt. 2024 · Recursive CTE Syntax. A recursive CTE references itself. It returns the result subset, then it repeatedly (recursively) references itself, and stops when it returns all the results. The syntax for a recursive CTE is not too different from that of a non-recursive CTE: WITH RECURSIVE cte_name AS (. assailant\\u0027s 9l