try this sample data. the sample data is just to emulate what could be in yours. since we do not have access to your database and since you did not provide sample table schema and sample data.
try this
use sqlteam
go
if exists(select 1 from sys.tables where name = '_ERRORS')
begin
drop table _ERRORS;
end
create table _ERRORS(DATE datetime, ERRORSID int, Message char(1), UserCode varchar(50))
insert into _ERRORS
select '2014-02-20 20:48:35.270', 3, 2 ,'sysrsc' union
select '2009-04-13 12:59:11.093', 5, 2 ,'sysrow' union
select '2014-02-20 20:48:35.477', 6, 1 ,'sysclo' union
select '2009-04-13 12:59:11.077', 7, 2 ,'sysall' union
select '2003-04-08 09:13:38.093', 8, 1 ,'sysfil' union
select '2014-02-20 20:48:35.610', 9, 2 ,'sysseo' union
select '2014-02-20 20:48:35.367', 17, 2 ,'syspri' union
select '2014-02-20 20:48:35.563', 18, 1 ,'sysdbf' union
select '2014-02-20 20:48:35.243', 19, 2 ,'sysfgf' union
select '2014-02-20 20:48:35.440', 20, 1 ,'sysdbf' union
select '2014-02-20 20:48:35.567', 21, 2 ,'syspru' union
select '2014-02-20 20:48:35.570', 22, 1 ,'sysbri' union
select '2014-02-20 20:48:35.247', 23, 2 ,'sysphf' union
select '2014-02-20 20:48:35.250', 24, 1 ,'syspru' union
select '2009-04-13 12:59:11.390', 25, 2 ,'sysfti' union
select '2009-04-13 12:59:11.373', 27, 2 ,'sysown' union
select '2014-02-20 20:48:35.540', 28, 1 ,'sysdbr' union
select '2009-04-13 12:59:10.983', 29, 2 ,'syspri' union
select '2009-04-13 12:59:11.170', 34, 1 ,'syssch' union
select '2014-02-20 20:48:35.650', 35, 2 ,'syscsr' union
select '2014-02-20 20:48:35.697', 37, 2 ,'sysext' union
select '2009-04-13 12:59:11.310', 41, 2 ,'syscol' union
select '2014-02-20 20:48:35.560', 42, 1 ,'sysxlg' union
select '2014-02-20 20:48:35.560', 43, 2 ,'sysxsr' union
select '2009-04-13 12:59:11.200', 44, 1 ,'sysnso' union
select '2014-02-20 20:48:35.553', 45, 2 ,'sysuse' union
select '2009-04-13 12:59:13.013', 46, 1 ,'syscer' union
select '2014-02-20 20:48:35.550', 47, 2 ,'sysrmt' union
select '2014-02-20 20:48:35.550', 48, 1 ,'syslnk' union
select '2009-04-13 12:59:11.500', 49, 2 ,'sysxpr' union
select '2009-04-13 12:59:10.950', 50, 1 ,'syssca' union
select '2009-04-13 12:59:11.343', 51, 2 ,'systyp' union
select '2009-04-13 12:59:11.360', 54, 1 ,'sysidx' union
select '2009-04-13 12:59:11.360', 55, 2 ,'sysisc' union
select '2014-02-20 20:48:35.547', 56, 1 ,'sysend' union
select '2014-02-20 20:48:35.557', 57, 2 ,'sysweb' union
select '2009-04-13 12:59:12.467', 58, 1 ,'sysbin' union
select '2014-02-20 20:48:35.390', 59, 2 ,'sysaud' union
select '2009-04-13 12:59:11.170', 60, 1 ,'sysobj' union
select '2014-02-20 20:48:35.527', 62, 1 ,'syscsc' union
select '2014-02-20 20:48:35.530', 63, 2 ,'syscsd' union
select '2009-04-13 12:59:11.200', 64, 1 ,'syscls' union
select '2009-04-13 12:59:11.373', 65, 2 ,'sysrow' union
select '2009-04-13 12:59:12.860', 67, 2 ,'sysrem' union
select '2009-04-13 12:59:12.890', 68, 1 ,'sysxmi' union
select '2009-04-13 12:59:12.873', 69, 2 ,'sysrts' union
select '2009-04-13 12:59:12.873', 71, 2 ,'syscon' union
select '2009-04-13 12:59:12.903', 72, 1 ,'sysdes' union
select '2009-04-13 12:59:13.000', 73, 2 ,'sysder' union
select '2009-04-13 12:59:10.967', 74, 1 ,'syssin' union
select '2009-04-13 12:59:10.983', 75, 2 ,'sysmul' union
select '2009-04-13 12:59:12.577', 78, 1 ,'sysgui' union
select '2014-02-20 20:48:35.590', 79, 2 ,'sysfoq' union
select '2014-02-20 20:48:35.537', 80, 1 ,'syschi' union
select '2014-02-20 20:48:35.400', 82, 1 ,'syscom' union
select '2014-02-20 20:48:35.573', 84, 1 ,'sysfts' union
select '2014-02-20 20:48:35.403', 85, 2 ,'sysfts' union
select '2014-02-20 20:48:35.457', 86, 1 ,'sysftp' union
select '2014-02-20 20:48:35.470', 87, 2 ,'sysxmi' union
select '2014-02-20 20:48:35.583', 89, 2 ,'sysfos' union
select '2009-04-13 12:59:12.593', 90, 1 ,'sysqna' union
select '2009-04-13 12:59:12.593', 91, 2 ,'sysxml' union
select '2009-04-13 12:59:12.610', 92, 1 ,'sysxml' union
select '2009-04-13 12:59:12.610', 93, 2 ,'sysxml' union
select '2009-04-13 12:59:13.013', 94, 1 ,'sysobj' union
select '2009-04-13 12:59:13.030', 95, 2 ,'sysasy' union
select '2009-04-13 12:59:13.047', 96, 1 ,'syssql' union
select '2009-04-13 12:59:12.483', 97, 2 ,'sysbin' union
select '2014-02-20 20:48:35.320', 98, 1 ,'syssof'
--drop table ERRORS
use DBAdmin
go
if exists(select 1 from sys.tables where name = '_JOB')
begin
drop table _JOB;
end
create table _JOB(JOB_Size int, DATE datetime)
insert into _JOB(DATE, JOB_Size)
select '2014-02-20 20:48:35.270', 3 union
select '2009-04-13 12:59:11.093', 5 union
select '2014-02-20 20:48:35.477', 6 union
select '2009-04-13 12:59:11.077', 7 union
select '2003-04-08 09:13:38.093', 8 union
select '2014-02-20 20:48:35.610', 9 union
select '2014-02-20 20:48:35.367', 17 union
select '2014-02-20 20:48:35.563', 18 union
select '2014-02-20 20:48:35.243', 19 union
select '2014-02-20 20:48:35.440', 20 union
select '2014-02-20 20:48:35.567', 21 union
select '2014-02-20 20:48:35.570', 22 union
select '2014-02-20 20:48:35.247', 23 union
select '2014-02-20 20:48:35.250', 24 union
select '2009-04-13 12:59:11.390', 25 union
select '2009-04-13 12:59:11.373', 27 union
select '2014-02-20 20:48:35.540', 28 union
select '2009-04-13 12:59:10.983', 29 union
select '2009-04-13 12:59:11.170', 34 union
select '2014-02-20 20:48:35.650', 35 union
select '2014-02-20 20:48:35.697', 37 union
select '2009-04-13 12:59:11.310', 41 union
select '2014-02-20 20:48:35.560', 42 union
select '2014-02-20 20:48:35.560', 43 union
select '2009-04-13 12:59:11.200', 44 union
select '2014-02-20 20:48:35.553', 45 union
select '2009-04-13 12:59:13.013', 46 union
select '2014-02-20 20:48:35.550', 47 union
select '2014-02-20 20:48:35.550', 48 union
select '2009-04-13 12:59:11.500', 49 union
select '2009-04-13 12:59:10.950', 50 union
select '2009-04-13 12:59:11.343', 51 union
select '2009-04-13 12:59:11.360', 54 union
select '2009-04-13 12:59:11.360', 55 union
select '2014-02-20 20:48:35.547', 56 union
select '2014-02-20 20:48:35.557', 57 union
select '2009-04-13 12:59:12.467', 58 union
select '2014-02-20 20:48:35.390', 59 union
select '2009-04-13 12:59:11.170', 60 union
select '2014-02-20 20:48:35.527', 62 union
select '2014-02-20 20:48:35.530', 63 union
select '2009-04-13 12:59:11.200', 64 union
select '2009-04-13 12:59:11.373', 65 union
select '2009-04-13 12:59:12.860', 67 union
select '2009-04-13 12:59:12.890', 68 union
select '2009-04-13 12:59:12.873', 69 union
select '2009-04-13 12:59:12.873', 71 union
select '2009-04-13 12:59:12.903', 72 union
select '2009-04-13 12:59:13.000', 73 union
select '2009-04-13 12:59:10.967', 74 union
select '2009-04-13 12:59:10.983', 75 union
select '2009-04-13 12:59:12.577', 78 union
select '2014-02-20 20:48:35.590', 79 union
select '2014-02-20 20:48:35.537', 80 union
select '2014-02-20 20:48:35.400', 82 union
select '2014-02-20 20:48:35.573', 84 union
select '2014-02-20 20:48:35.403', 85 union
select '2014-02-20 20:48:35.457', 86 union
select '2014-02-20 20:48:35.470', 87 union
select '2014-02-20 20:48:35.583', 89 union
select '2009-04-13 12:59:12.593', 90 union
select '2009-04-13 12:59:12.593', 91 union
select '2009-04-13 12:59:12.610', 92 union
select '2009-04-13 12:59:12.610', 93 union
select '2009-04-13 12:59:13.013', 94 union
select '2009-04-13 12:59:13.030', 95 union
select '2009-04-13 12:59:13.047', 96 union
select '2009-04-13 12:59:12.483', 97 union
select '2014-02-20 20:48:35.320', 98