I\'ve been trying to find an efficient way to represent nested data i开发者_如何学Gon java/hibernate.My initial solution was a parent/child list with a self referencing join, but there are obvious pit
So I guess this is a classical question for somebody with MSC in CS. I have N element and I have the distances as well. Let\'s say I have 3 elements with the following distances. It is symmetric, so
I need to create a sql stored procedure (Sql Server 2008 - T-SQL) which copies a node in an adjacency model.
I have a DB like so: idtextparent 1Parent 10 2Child of 11 3Sibling1 4Another Parent0 5A first child4 So I\'m trying to capture a tree structure my listing the parents. I\'m aware of the other opti
I have to store messages that my web app fetch from Twitter into a local database. The purpose of storing messages is that I need to display these messages in a hierarchical order i.e. certain message
Is there any effective way to, without limiting the depth, retrieve a single path in a Adjacency List model based on the node\'s ID? Like if I\'ve got an ID for a node named \"Banana\" I could get the
Is there a helpful tool or script resource to aid conver开发者_开发问答sion from old-school adjacency list tables to MPTT?
I\'m trying to select a node in my heirarchical system. I have the \"/Path/To/Some/Node\" (In exactly that form) and I am trying to figure out how I canget the children of \"Node\". Naturally \"Node\
In mysql, I have a tree that is represented using the adjacency list model. MYTREE id parent_id title I am wondering:
There are tons of examples of using the RecursiveIterator to flatten a tree structure.. but what about using it to explode a tree structure?
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