DSNXERT
DSNXERT sets the Relational Data Services (RDS) SQLCA return code every time a SQL statement is executed.
Reference Sources
IBM Db2 for OS/390, Messages and Codes, GC26-8979
IBM Db2 for OS/390, Application Programming and SQL Guide, SC26-8958
IBM Db2 for OS/390, Administration Guide, SC26-8957