Let’s speak today the database monitoring. DB2 is usually presented as a black box that stores and retrieves data for you. Usually we don’t care much about what is happening inside it. However as soon as a trouble arises, information about its internals becomes critical.
You know it. You’ve just successfully compiled, built, and bound your application program for DB2 for z/OS, but the execution fails with the SQL error code -805. What’s the problem? You’ve just got one of the most common errors each developer encounters. Let’s make a short overview of the -805.