SQL1390C The environment variable DB2INSTANCE is not defined or is invalid.
Explanation: The environment variable DB2INSTANCE is not defined
or is not set to a valid instance owner.
User Response: Set the DB2INSTANCE environment variable to the
name of the instance to use. If you do not know the name of the
instance to use or how to set the DB2INSTANCE environment
variable to the instance name, refer to the Administration
Guide.
Federated system users: refer to the Installation and
Configuration Supplement for DB2INSTANCE information.
Ensure your PATH environment variable contains the sqllib/adm
path in the home directory of the instance you want to use (for
example, /u/instance/sqllib/adm, where /u/instance is the home
directory of the instance owner on a UNIX system).
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