Function and Case Analysis of Hierarchical Tree Queries Based on Oracle
Zhao Ai-qin · Modern Computer · 2008
In relational database, the relational model doesn't deal well with hierarchical data, which proved cumbersome. Hierarchical tree queries can solve this complex problem. Introduces hierarchical tree structure and hierarchical tree queries based on Oracle, then, with the department structure of some marketing company, analyses the function of hierarchical tree queries based on oracle in details.