Egor, others, > It's really clear what you want. Please specify. > > If what you basicaly want is just a tree structure, then it's done like that: > > > CREATE TABLE something ( > id INT AUTO_INCREMENT PRIMARY KEY NOT NULL, > parent INT NOT NULL, > data1 CHAR(255), > data2 CHAR(255), > ... > > ); > > Then you can specify the parent node id for each record in database. > This is how tree-like structures are stored in SQL. Hope that helps.
That is ONE way to store a tree structure :-) Another would be: ITEMS (ItemID INT AUTO_INCREMENT PRIMARY KEY NOT NULL, other stuff) ITEM_PARENT (ItemID int, ParentID int primary key (ItemID, ParentID) ) I prefer the latter. With regards, Martijn Tonies Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL Server. Upscene Productions http://www.upscene.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
