Question : I want to take aggregate data for each sales person employed and display the Salesname, saleamount, and saleshippingamount. […]
Tag: cte
Common Table Expression (CTE) benefits?
Question : From msdn : Unlike a derived table, a CTE can be self-referencing and can be referenced multiple times […]
INSERT into three tables with many-to-many from one table
Question : With Postgres 9.5 using a trivial example. Given I have this data: Table everything: | fruit | country […]
join table or cte
Question : First off, I’ve tried to find a suitable solution on the internet, but I really didn’t find one […]
How to rewrite slow CTE construction to match speed of temp tables
Question : I think the general advice of this community is to avoid temp tables in favor of CTEs. However, […]
Is there any possible way to modify the database state from within the scope of a CTE? [closed]
Question : Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? […]
What’s the (Big O) computational complexity of a PostgreSQL recursive common table expression?
Question : For example, taking this StackOverflow #44620695 question, recursive path aggregation and CTE query for top-down tree postgres as […]
How to change aggregate function without duplicating SQL (by using SQL)
Question : In SQL Server 2016 I have a scenario where data will be processed according to different aggregation functions […]
Recursive Parent-Child Location Relationship Cache as View
Question : Here is my data structure: CREATE TABLE Locations( LocID int IDENTITY(1,1) NOT NULL, LocationTypeID int NOT NULL, ParentID […]
How to use a recursive CTE to get ancestors in a hierarchy
Question : create table division ( id serial primary key, name varchar not null ); — nested sets table create […]