I have a MySQL singleton class written in PHP. Its code is listed below: class Database { private $_result = NULL;
I have an \"Employee\" table with an \"EmployeeID\" column and a column representing Employee\'s Boss (BossID) which in turn is an employee in the \"Employee\" table. How can I trace the hierarchy fr
i am using MySQL with PHP & Doctrine 2. my question is assuming i am using Modified Preorder Tre开发者_JS百科e Traversal is there a way i can retrieve only immediate children? As you\'ve discove
I have a simple table with persons, but there is a additional field witch holds information (person id) who is a father/mother
Please do not point me to an article on how to create tree structures, or CTEs in SQL I\'ve read plenty!!!I think this may not be so tough for the t-sql at heart but it is definitely tough for me :).
As it stands now, the CLR UDTs including HierarchyID aren\'t supported in Entity Framework 4.HierarchyID.ToString() is useful, but breaks down开发者_开发知识库 once any item has 10+ siblings (the basi
This question already has answers here: recursive function category database (4 answers) Closed 2 years ago.
I need to query the opengeodb to figure out the \'Bundesland\' to a given location. You can find information to the DB schema at DB Schema. Sorry there is only German documentation text, but the graph
i hoping to create a recursive function which i don\'t have an idea yet this is my code to fetch category from database
I have an array with tree data (by parent id). I want to convert it to multidimensional array. What is the best way to achieve that? Is there any short function for that?
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