IBM Informix C-ISAM - license - 1 concurrent session

Informix's C-ISAM is a library of C functions which efficiently manage your indexed sequential access method (I-SAM)files. C-ISAM bypasses the overhead of an entire relational database management system (RDBMS) and allows quick, direct access to your database records. It provides proven performance and the reliability of an industry-standard in the United Sates and Europe for over eight years.