Call Level Interface Guide and Reference
The asyncronous SQL model should only be used on non-threaded operating
systems such a Windows 3.1. If your application cannot make use
of multi-threading then see Asynchronous Execution of CLI.
Asynchronous SQL should NOT be used on platforms that support multiple
threads.
Writing Multi-Threaded Applications describes why and how to make use of multiple threads with
DB2 CLI. Some common uses include:
- A thread other than the one executing can be used to call
SQLCancel() (to cancel a long running query for example).
- Most GUI based applications use threads in order to ensure that user
interaction can be handled on a higher priority thread than other application
tasks, such as accessing the database.
- Executing DB2 CLI functions on multiple threads can improve
throughput.
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