sp_datatype_info (Transact-SQL MetaData) Definition

Please note: that the following source code is provided and copyrighted by Microsoft and is for educational purpose only.
The meta data is from an SQL 2012 Server.

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Definition:

sys.sp_datatype_info(int @data_type
, tinyint @ODBCVer)

MetaData:

   
create procedure sys.sp_datatype_info  
(  
    @data_type int = 0,  
    @ODBCVer tinyint = 2  
)  
as  
    declare @mintype int  
    declare @maxtype int  
  
    set @ODBCVer = isnull(@ODBCVer, 2)  
    if @ODBCVer < 3 --  includes ODBC 1.0 as well  
        set @ODBCVer = 2  
    else  
        set @ODBCVer = 3  
  
    if @data_type = 0  
    begin  
        select @mintype = -32768  
        select @maxtype = 32767  
    end  
    else  
    begin  
        select @mintype = @data_type  
        select @maxtype = @data_type  
    end  
  
    select  
        TYPE_NAME           = v.TYPE_NAME,  
        DATA_TYPE           = v.DATA_TYPE_28,          --  for backward compatibility  
        PRECISION           = v.PRECISION_28,          --  for backward compatibility  
        LITERAL_PREFIX      = v.LITERAL_PREFIX,  
        LITERAL_SUFFIX      = v.LITERAL_SUFFIX,  
        CREATE_PARAMS       = v.CREATE_PARAMS_90,      --  for backward compatibility  
        NULLABLE            = v.NULLABLE,  
        CASE_SENSITIVE      = v.CASE_SENSITIVE_28,     --  for backward compatibility  
        SEARCHABLE          = v.SEARCHABLE,  
        UNSIGNED_ATTRIBUTE  = v.UNSIGNED_ATTRIBUTE,  
        MONEY               = v.MONEY,  
        AUTO_INCREMENT      = v.AUTO_INCREMENT,  
        LOCAL_TYPE_NAME     = v.LOCAL_TYPE_NAME,  
        MINIMUM_SCALE       = v.MINIMUM_SCALE_90,      --  for backward compatibility  
        MAXIMUM_SCALE       = v.MAXIMUM_SCALE_90,      --  for backward compatibility  
        SQL_DATA_TYPE       = v.SQL_DATA_TYPE_28,      --  for backward compatibility  
        SQL_DATETIME_SUB    = v.SQL_DATETIME_SUB_90,   --  for backward compatibility  
        NUM_PREC_RADIX      = v.NUM_PREC_RADIX,  
        INTERVAL_PRECISION  = v.INTERVAL_PRECISION,  
        USERTYPE            = v.USERTYPE  
  
    from  
        sys.spt_datatype_info_view v  
  
    where  
        v.DATA_TYPE_28 between @mintype and @maxtype and  
        v.ODBCVer = @ODBCVer  
  
    order by 2, v.MAPPED_TYPE, 12, 11, 20