System for controlling database access based on 3-Tier structure and Method thereof

摘要

The present invention relates to 3-Tier structure-based database access control system and method. The system according to the invention, the user is equipped with the database client to create and execute various curry for database access, and outputs the execution result of curry computer terminal; Business database server that manages the service database the database to the client to access the real; And database virtual account and curry and pre-defined to manage the access rights to the database element, and authenticates the access of the client by the virtual account, checks the Currie statement execution request from the client with reference to the access rights to the database component check the restrictions presence or absence of a database component that is accessed by the statement execution, and request an execution curry contact connected to the work the database server, the database real account, depending on the test results, to the database client receiving the curry inquiry execution results characterized by including the; database access control server to the output.