Software Dependencies

You must have the following IBM Informix software to use the R-tree secondary access method:

• IBM Informix Dynamic Server, Version 9.x or higher (this includes the IBM Informix R-Tree Secondary Access Method DataBlade module)
• A DataBlade module that uses the Informix R-tree secondary access method, such as the IBM Informix Geodetic DataBlade module

You can use the DataBlade Developer's Kit to develop a DataBlade module that uses the R-tree secondary access method.

You can use the following application development tools with the R-tree secondary access method:

• DB–Access
• IBM Informix ESQL/C
• DataBlade API

You do not, however, need to install or use these tools to use the R-tree access method.