V$SQLFN_ARG_METADATA contains metadata about function arguments. There is one row for each argument of every function found in V$SQLFN_METADATA. There are no rows for functions that do not have any arguments.
| Column | Datatype | Description |
|---|---|---|
FUNC_ID |
NUMBER |
Internal function identification number. This column can be used to join with the V$SQLFN_METADATA view. |
ARGNUM |
NUMBER |
Argument number |
DATATYPE |
VARCHAR2(8) |
Datatype of the argument. The value is NULL if this argument is not used. Otherwise, it can take values of any Oracle datatype, family datatype, or EXPR datatype. |
DESCR |
VARCHAR2(30) |
This column is reserved for future use. |