Query below return all parameters of stored procedures and details about them in Db2 database.

Query

select proc.routineschema as schema_name,
       proc.routinename as procedure_name,
       case proc.origin
            when 'E' then 'User-defined, external'
            when 'F' then 'Federated procedure'
            when 'U' then 'User-defined, based on a source'
            when 'Q' then 'SQL-bodied'
            end as origin,
       param.parmname as parameter_name,
       typename as data_type,
       length,
       scale
from syscat.routines proc
left join syscat.routineparms param
          on proc.routineschema = param.routineschema
          and proc.specificname = param.specificname
where proc.routinetype = 'P'
order by schema_name,
         procedure_name;

Columns

• schema_name - name of the database (schema) containing routine
• procedure_name - name of the function/procedure
• origin -
  • User-defined, external
  • Federated procedure
  • User-defined, based on a source
  • SQL-bodied
• parameter_name - parameter name
• data_type - data type of parameter
• length - maximum length of a datatype
• scale - scale of numeric data type or number of digits of fractional seconds for timestamp data type

Rows

• One row - represents one function/procedure parameter
• Scope of rows: - all parameters for routines
• Ordered by - schema name, procedure name

Sample results