| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mechanism capable of easily avoiding exclusive control and duplicated update when a work flow system accesses data existing in an external DB. <P>SOLUTION: The work flow system includes a client and a server. The client includes a unit definition information analyzing section that analyzes an operation instruction for the external DB, a queue generating section that generates a queue for instructing an external DB operation from the analyzed operation instruction, an external DB operation instruction queue that stores the queue of the operation instruction, and a request issuing section that issues a request of the operation instruction to the server. The server includes an external DB operation instruction analyzing section that analyzes the operation instruction issued from the client, an SQL generating section that generates an SQL sentence for the external DB from the analyzed operation instruction, an SQL queue that stores the generated SQL sentence, an SQL issuing section that issues the SQL sentence stored in the SQL queue to the external DB, and a delivery processing execution section that performs the SQL sentence and executes delivery processing of the work flow. <P>COPYRIGHT: (C)2010,JPO&INPIT |
