This feature will be removed in a future version of Microsoft SQL Server. Avoid using this feature in new development work, and plan to modify applications that currently use this feature.
The AssignmentDiag property enables ISO standard behavior for NULL in aggregate, data truncation, divide-by-zero, and arithmetic overflow errors.
If TRUE, ISO standard behavior is enabled. If NULL is involved in an aggregate, data is truncated on an INSERT or UPDATE statement execution, or a divide-by-zero or arithmetic overflow occurs, these events follow:
The statement is stopped.
Any transactions are rolled back.
An error is returned to the client.
If FALSE, ISO behavior is disabled. If NULL is returned for an affected column or data is truncated on an INSERT or UPDATE, these events follow:
Transactions are not rolled back.
The client receives either an error, success with information, or a success return code.