How to retrieve multiple aggregate columns from SQL Server in a SQL View/Access Query (pref SQL View) -

-

i have table tblrecords, table inserted 3500 records each day. tblrecords has foreign key linking tblupload. each row identified, apart generic id column, ref (ie: xydg74g) , foreign key column (ie: 345) links tblupload.

the circa 3500 rows uploaded each day same rows uploaded previous day (with updates) additional, new entries last 24 hrs.

each tblrecord row can flagged (bit column) misscustname , misscustnamefixed. view tblrecord rows tblupload, “show me (3500+) records uploaded today”. want, along actual columns in tblrecord see 2 columns, countofprevmisscustname , countofprevmisscustnamefixed

id - ref - custname - countofprevmisscustname- countofprevmisscustnameok  1 - aasd001 - <null> - 14 - 12  2 - zrfg789 - joe bloggs - 10 - 8  3 - yerf777 - mary blyge - 0 - 0

missing customer name counts total records (historical) transaction missing customer name flagged true. `missnamefixed same.

  1. record 1 has had 14 missing customer name flags , 12 missnamecustnameok flags, still missing customer name.

  2. record 2 has had 10 missing customer name flags, , 8 missnamecustnameok flags , has customer name.

  3. record 3 has never had missing customer name flags , hence no missnamecustnameok flags , has name.

what efficient (quickest , less stress on sql server) implement these 'dcount' style columns. trying dcount column within access painfully slow 9see below), using dao recordsets in access.

select *, dcount("recordid","tblrecordshistorical","ref=" & ref & " , custname null) countofprevmisscustname, dcount("recordid","tblrecordshistorical","ref=" & ref & " , custname not null) countofprevmisscustnameok tblrecords

i ideally able create kind of view, load, use bulk update on table.

i ever work on latest batch of tblrecords once countof... physical columns have been updated once, don't need again.

thnx


Comments

Post a Comment

Popular posts from this blog

c# - SVN Error : "svnadmin: E205000: Too many arguments" -

-
i trying reposotries using c# code process svncommand = null; var psi = new processstartinfo("svnadmin"); psi.redirectstandardoutput = true; psi.redirectstandarderror = true; psi.useshellexecute = false; psi.arguments= @"dump c:\repositories\myrepo > c:\temp\myrepodumpfile.dump"; using (svncommand = process.start(psi)) { var myoutput = svncommand.standardoutput; var myerror = svncommand.standarderror; debug.write("output :" + environment.newline + environment.newline + myoutput.readtoend() + environment.newline + "error :" + environment.newline + environment.newline + myerror.readtoend()); svncommand.close(); } when use dump command commandline svnadmin dump c:\repositories\myrepo > c:\temp\myrepodumpfile.dump it works fine when try ...
Read more

c# - Copy ObservableCollection to another ObservableCollection -

-
how copy observablecollection item observablecollection without reference of first collection? here observablecollection item value changes affecting both collections. code private observablecollection<ratemodel> _allmetalrate = new observablecollection<ratemodel>(); private observablecollection<ratemodel> _metalrateondate = new observablecollection<ratemodel>(); public observablecollection<ratemodel> allmetalrate { { return this._allmetalrate; } set { this._allmetalrate = value; notifypropertychanged("metalrate"); } } public observablecollection<ratemodel> metalrateondate { { return this._metalrateondate; } set { this._metalrateondate = value; notifypropertychanged("metalrateondate"); } } foreach (var item in metalrateondate) allmetalrate.add(item); what causing , how can solve it? you need clone object referenced item before it's a...
Read more

All overlapping substrings matching a java regex -

-
is there api method returns (possibly overlapping) substrings match regular expression? for example, have text string: string t = 04/31 412-555-1235; , , have pattern: pattern p = new pattern("\\d\\d+"); matches strings of 2 or more characters. the matches are: 04, 31, 412, 555, 1235. how overlapping matches? i want code return: 04, 31, 41, 412, 12, 55, 555, 55, 12, 123, 1235, 23, 235, 35. theoretically should possible -- there obvious o(n^2) algorithm enumerates , checks substrings against pattern. edit rather enumerating substrings, safer use region(int start, int end) method in matcher . checking pattern against separate, extracted substring might change result of match (e.g. if there non-capturing group or word boundary check @ start/end of pattern). edit 2 actually, it's unclear whether region() expect zero-width matches. specification vague, , experiments yield disappointing results. for example: string line = "xx90xx"; strin...
Read more