Introduction to the mandatory external function body reference clause.
This clause is mandatory for all UDFs.
This clause can specify four different things:
- The keyword EXTERNAL only.
- The keywords EXTERNAL NAME plus an external function name (with optional Parameter Style specification).
This is a mandatory attribute for all UDFs.
- The keywords EXTERNAL NAME plus a set of external string literals.
- The keywords EXTERNAL NAME plus a Java JAR ID specification.