On Friday 10 August 2018 12:34:10 mohamed hamza wrote: > I read with interest the articles you sent me. Particularly : > http://mikehillyer.com/articles/managing-hierarchical-data-in-mysql > > I filled the tree.fdb with the data of the example that the author gives. I > used 'flamerobin' as editor of database. I executed the tree.prj but the > tree is not generated, I suppose you have your own algorithm? > Please run the tree2.prj example, click 'Create DB'. The database "tree.fdb" will be generated from "tree.fbk" meta data backup. Now you can study the DB structure with Flamerobin. It uses the method of nested sets. In order to populate the grid press Ctrl+Insert in grid. The example needs Firebird 3.
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