I\'m trying to learn MySQL so I have created a little blog system. I have 3 tables in MySQL: posts : id|title
开发者_Python百科I have an AdvancedDataGrid that relies on a HierarchicalCollectionView as it\'s dataProvider. What I\'d like to do is sort the data when it is first loaded, but then disable the sort
I have a tree of categories in my database. I also have a table of items associated with the tree by a category id.
I have a table like this: id name parent_id I then want to select certain rows based on their id, so something like this:
I\'m looking at a complex structure and I can\'t seem to find a way to display it... My situation: Class: Milestone has 2 lists inside, a list of other submilestones and a list of activities.
I want to store t开发者_如何学运维he regional information of a customer, for this, I will create the following tables
I have a table that has a tree of state, region, district, 开发者_运维百科building and classes.Each row has a node id and a parent id.I am using the following
I\'m trying to write a recursive function of sorts in PL/SQL. The problem is: So say table A has rows: {B, C},
I\'m trying to wrap my head around querying a table that has hierarchical category data (used for a cms) which is also tied to my posts data and a many-to-many type relationship with my post2cat table
I want to fetch Hierarchical/Tree data something like below from a Table which has following definiton.
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