12. Inter-Frame Communication Techniques : How You Can Communicate Between OpenROAD Applications Using Database Events
 
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How You Can Communicate Between OpenROAD Applications Using Database Events
Database events are user-defined events. They are created and manipulated using SQL statements and stored in a database. Database events are a way for two programs that are connected to the same database to communicate. Using a database event, one program can inform another that some predefined event has occurred. The receiving program then can take whatever action is necessary. Database events allow a program to send up to 256 bytes of information to another program.