In mvDesigner, there are two types of connections:
Non-Persistent is always used for connection between the Client and FCServices.
Persistent is used between FCServices and multivalue databases.
This document describes these application procedures:
Using Persistent and Non-Persistent Applications
Programming Non-Persistent Applications
Programming Persistent Applications
Combining Persistent with Non-Persistent
This table illustrates the differences between the two application architectures:
|
Differences |
Persistent |
Non-persistent |
|
Reserves a constant connection |
Yes |
No |
|
Requires multiple entry point programs |
No |
No |
|
Supports application state |
Yes |
No |
|
Supports item locks |
Yes |
No |
|
Supports global variables (named common) |
Yes |
No |
See Also
mvDesigner Programmer's Guide Overview
Introducing mvDesigner Concepts
Understanding System Architecture
Programming mvDesigner Applications