Query below return all stored procedures and information about it in SQL Server database.
Query
select schema_name(obj.schema_id) as schema_name,
       obj.name as procedure_name,
       case type
            when 'P' then 'SQL Stored Procedure'
            when 'X' then 'Extended stored procedure'
        end as type,
        substring(par.parameters, 0, len(par.parameters)) as parameters,
        mod.definition
from sys.objects obj
join sys.sql_modules mod
     on mod.object_id = obj.object_id
cross apply (select p.name + ' ' + TYPE_NAME(p.user_type_id) + ', ' 
             from sys.parameters p
             where p.object_id = obj.object_id 
                   and p.parameter_id != 0 
             for xml path ('') ) par (parameters)
where obj.type in ('P', 'X')
order by schema_name,
         procedure_name;
Columns
- schema_name - name of the database (schema)
- procedure_name - name of the function/procedure
- type - type of procedure
- SQL Stored Procedure
- Extended stored procedure
 
- parameters - name of parameters with their data type separated by comma ','
- definition - text of the SQL statement executed by the function/procedure
Rows
- One row - represents one procedure
- Scope of rows: - all procedures in database
- Ordered by - schema name and procedure name
Sample results

 
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                 
                                                             
                                                             
                                                             
                                                             
                                                                 
                                                             
                                                             
                                                                 
                                                             
                                                             
                                                             
                                                             Bart Gawrych
                                                                        Bart Gawrych
                                 SQL Server
                                                                SQL Server
                                 Azure SQL Database
                                                                                                Azure SQL Database
                                             Oracle database
                                                                                                Oracle database
                                             IBM Db2
                                                                                                IBM Db2
                                             Teradata
                                                                                                Teradata
                                             PostgreSQL
                                                                                                PostgreSQL
                                             MySQL
                                                                                                MySQL
                                             MariaDB
                                                                                                MariaDB