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  • LoadRunner Interview Questions

    2007-06-27 17:42:50

    ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡Õª×Ô£ºÍøÂç

    1. What is load testing?

    Ans. Load testing is to test that if the application works fine with the loads that result from large number of simultaneous users, transactions and to determine weather it can handle peak usage periods.

    2. What is Performance testing?

    Ans. Timing for both read and update transactions should be gathered to determine whether system functions are being performed in an acceptable timeframe. This should be done standalone and then in a multi user environment to determine the effect of multiple transactions on the timing of a single transaction.

    3. Explain the Load testing process?

    Ans. Following are the steps involved in the Load testing process:

    Step 1: Planning the test - Here, we develop a clearly defined test plan to ensure the test scenarios we develop will accomplish load-testing objectives.

    Step 2: Creating Vusers - Here, we create Vuser scripts that contain tasks performed by each Vuser, tasks performed by Vusers as a whole, and tasks measured as transactions.

    Step 3: Creating the scenario - scenario describes the events that occur during a testing session. It includes a list of machines, scripts, and Vusers that run during the scenario. We create scenarios using LoadRunner Controller. We can create manual scenarios as well as goal-oriented scenarios. In manual scenarios, we define the number of Vusers, the load generator machines, and percentage of Vusers to be assigned to each script. For web tests, we may create a goal-oriented scenario where we define the goal that our test has to achieve. LoadRunner automatically builds a scenario for us.

    Step 4: Running the scenario - We emulate load on the server by instructing multiple Vusers to perform tasks simultaneously. Before the testing, we set the scenario configuration and scheduling. We can run the entire scenario, Vuser groups, or individual Vusers.

    Step 5: Monitoring the scenario - We monitor scenario execution using the LoadRunner online runtime, transaction, system resource, Web resource, Web server resource, Web application server resource, database server resource, network delay, streaming media resource, firewall server resource, ERP server resource, and Java performance monitors.

    Step 6: Analyzing test results - During scenario execution, LoadRunner records the performance of the application under different loads. We use LoadRunner’s graphs and reports to analyze the application’s performance.

    4. When do you do load and performance Testing?

    Ans. We perform load testing once we are done with interface (GUI) testing. Modern system architectures are large and complex. Whereas single user testing primarily on functionality and user interface of a system component, application testing focuses on performance and reliability of an entire system. For example, a typical application-testing scenario might depict 1000 users logging in simultaneously to a system. This gives rise to issues such as what is the response time of the system, does it crash, will it go with different software applications and platforms, can it hold so many hundreds and thousands of users, etc. This is when we set do load and performance testing.

    5. What are the components of LoadRunner?

    Ans. The components of LoadRunner are The Virtual User Generator, Controller, and the Agent process, LoadRunner Analysis and Monitoring, LoadRunner Books Online.





    Link URL: http://www.cnblogs.com/tester2test/archive/2007/03/17/678553.html
  • CÓïÑÔÓ¦ÓÃÓÚLRÖУ­ÈçºÎµÃµ½Êý×鳤¶È£¨Ô­´´£©

    2007-06-27 17:42:50

    CÓïÑÔûÓÐÌṩ»ñÈ¡Êý×鳤¶ÈµÄº¯Êý£¬×îÆðÂëÎÒ²»ÖªµÀ£¬ËùÒÔ±àдÁËÒ»¸öº¯ÊýÈ¡Êý×éµÄ³¤¶È£¬µ÷ÊԳɹ¦£¬´ó¼Ò¿ÉÒÔÊÔÊÔ¡£ÁíÍâÒ²¿ÉÒÔÓÃsizeof(a)/4À´È¡µÃÕûÐÍÊý×éµÄ³¤¶È£¬ÒòΪÕûÐÍÕ¼4¸ö×Ö½Ú¡£Ð§¹ûÏàͬ¡£

    #include "web_api.h"

    int LenofArray(int *p)
    {
            int length=0;
            for(;*p!='\0';p++)
            length++;
            return length;
    }

    Action()
    {
        int a[]={1,2,3,4,23,234,4543,565,767};
        int m=LenofArray(a);
        lr_output_message("%d",m);
     return 0;
    }





    Link URL: http://www.cnblogs.com/tester2test/archive/2007/03/21/682482.html
  • ÒªÊÇÏ´ÎËûÃÇ·ÅÊÖ»úʱ´÷ÁËÊÖÌ×Ôõô°ì£¿

    2007-06-27 17:42:50

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    Link URL: http://www.cnblogs.com/tester2test/archive/2007/03/26/688271.html
  • ´óÊý¾ÝÁ¿Éú³É¹¤¾ßÔ´´úÂ루Delphi)

    2007-06-27 17:42:50

    ¿ÉÖ´ÐÐÎļþ´æ·ÅÓÚ£ºhttp://bbs.51testing.com/thread-71954-1-1.html

    unit Unit1;

    interface

    uses
      Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
      Dialogs, StdCtrls, ComCtrls, ExtCtrls, shellapi;

    type
      TForm1 = class(TForm)
        pnl1: TPanel;
        edt1: TEdit;
        btn2: TButton;
        btn1: TButton;
        pnl2: TPanel;
        mmo2: TMemo;
        lbl1: TLabel;
        lbl2: TLabel;
        edt2: TEdit;
        ud1: TUpDown;
        lbl3: TLabel;
        edt3: TEdit;
        ud2: TUpDown;
        btn3: TButton;
        btn4: TButton;
        CheckBox1: TCheckBox;
        Memo1: TMemo;
        Button1: TButton;
        Button2: TButton;
        StatusBar1: TStatusBar;
        procedure btn1Click(Sender: TObject);
        procedure btn2Click(Sender: TObject);
        procedure btn3Click(Sender: TObject);
        procedure btn4Click(Sender: TObject);
        procedure Button1Click(Sender: TObject);
        procedure Button2Click(Sender: TObject);
      private
        { Private declarations }
      public
        { Public declarations }
      end;

    var
      Form1: TForm1;

    implementation

    {$R *.dfm}

    procedure TForm1.btn1Click(Sender: TObject);
    begin
      edt1.Clear;
      edt2.Clear;
      edt3.Clear;
    end;

    procedure TForm1.btn2Click(Sender: TObject);
    var
      i: integer;
    begin
      try
        strtoint(edt2.Text);
      except
        application.MessageBox('ÇëÊäÈëÕûÊý£¡', 'ϵͳÐÅÏ¢', 32);
        edt2.SetFocus;
        exit;
      end;

      try
        strtoint(edt3.Text);
      except
        application.MessageBox('ÇëÊäÈëÕûÊý£¡', 'ϵͳÐÅÏ¢', 32);
        edt3.SetFocus;
        exit;
      end;
      mmo2.Lines.Clear;
      if trim(edt2.Text) = '' then edt2.Text := '0';
      if not CheckBox1.Checked then begin
      for i := strtoint(edt2.Text) to strtoint(edt2.Text) + strtoint(edt3.Text) - 1 do
        mmo2.Lines.Add(edt1.Text + inttostr(i));
      end else begin
      for i := strtoint(edt2.Text) to strtoint(edt2.Text) + strtoint(edt3.Text) - 1 do
        mmo2.Lines.Add(edt1.Text);
      end;
      if mmo2.Lines.Count>0 then btn4.Enabled := true else btn4.Enabled := false;
    end;

    procedure TForm1.btn3Click(Sender: TObject);
    begin
      halt;
    end;

    procedure TForm1.btn4Click(Sender: TObject);
    begin
      mmo2.Lines.SaveToFile('c:\test.txt');
      ShellExecute(Handle, 'open', 'c:\test.txt', nil, nil, SW_SHOWNORMAL);
    end;

    procedure TForm1.Button1Click(Sender: TObject);
    var
      i :integer;
    begin
      mmo2.Lines.Clear;
      for i:=0 to memo1.Lines.Count-1 do
        begin
          mmo2.Lines.Add(edt1.Text+memo1.Lines.Strings[i]);
        end;
    end;

    procedure TForm1.Button2Click(Sender: TObject);
    var
      i :integer;
    begin
      mmo2.Lines.Clear;
      for i:=0 to memo1.Lines.Count-1 do
        begin
          mmo2.Lines.Add(memo1.Lines.Strings[i]+edt1.Text);
        end;
    end;

    end.





    Link URL: http://www.cnblogs.com/tester2test/archive/2007/04/04/699598.html
  • °²×°sqlserver2000Ìáʾ¹ÒÆðµÄ½â¾ö·½·¨

    2007-06-27 17:42:50

    ×÷Õߣºxuzhenqinandy

    °²×°SQL SERVER 2000ʱÌáʾ£º"ÒÔÇ°µÄij¸ö³ÌÐò°²×°ÒÑÔÚ°²×°¼ÆËã»úÉÏ´´½¨¹ÒÆðµÄÎļþ²Ù×÷¡£Ô­ÒòÊÇ°²×°³ÌÐòÔÚÏÈÇ°µÄ°²×°¹ý³ÌÖÐÔÚϵͳע²á±íÁôÏÂijЩÐÅÏ¢£¬µ¼Ö²»ÄÜ°²×°¡£É¾³ýµôÈçϼüÖµÐÅÏ¢¼´¿É°²×°£ºÔÚÔËÐд°¿ÚÊäÈëregedit£¬´ò¿ª×¢²á±í±à¼­Æ÷£¬ÔÚHKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session ManagerÖÐÕÒµ½PendingFileRenameOperations£¬É¾³ý¸Ã¼üÖµ£¬¹Ø±Õ×¢²á±í±à¼­Æ÷¡£





    Link URL: http://www.cnblogs.com/tester2test/archive/2007/04/17/717113.html
  • ÎåÒ»ÆÚ¼ä¸÷´ó¹«Ë¾¼Ó°à¿ÚºÅ(ת£©

    2007-06-27 17:42:50

  • weblogicµ÷ÓÅ

    2007-06-27 17:42:50

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           1) ÉèÖÃJAVA²ÎÊý£»

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  • ÈÏʶASP.NETÅäÖÃÎļþWeb.config

    2007-06-27 17:42:50

     

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    ) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]

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        insert into Tgongwen(fariqi,neibuyonghu,reader,title) values('2004-2-5','ͨÐÅ¿Æ','ͨÐÅ¿Æ,°ì¹«ÊÒ,Íõ¾Ö³¤,Áõ¾Ö³¤,Õžֳ¤,admin,ÐÌÕìÖ§¶Ó,ÌØÇÚÖ§¶Ó,½»Ñ²¾¯Ö§¶Ó,¾­ÕìÖ§¶Ó,»§Õþ¿Æ,Öΰ²Ö§¶Ó,ÍâÊ¿Æ','ÕâÊÇ×îÏȵÄ25ÍòÌõ¼Ç¼')

        set @i=@i+1

    end

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    declare @i int

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        insert into Tgongwen(fariqi,neibuyonghu,reader,title) values('2004-9-16','°ì¹«ÊÒ','°ì¹«ÊÒ,ͨÐÅ¿Æ,Íõ¾Ö³¤,Áõ¾Ö³¤,Õžֳ¤,admin,ÐÌÕìÖ§¶Ó,ÌØÇÚÖ§¶Ó,½»Ñ²¾¯Ö§¶Ó,¾­ÕìÖ§¶Ó,»§Õþ¿Æ,ÍâÊ¿Æ','ÕâÊÇÖмäµÄ25ÍòÌõ¼Ç¼')

        set @i=@i+1

    end

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    declare @h int

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    declare @i int

    set @i=2002

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    declare @j int

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    declare @k int

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        insert into Tgongwen(fariqi,neibuyonghu,reader,title) values(cast(@i as varchar(4))+'-8-15 3:'+cast(@j as varchar(2))+':'+cast(@j as varchar(2)),'ͨÐÅ¿Æ','°ì¹«ÊÒ,ͨÐÅ¿Æ,Íõ¾Ö³¤,Áõ¾Ö³¤,Õžֳ¤,admin,ÐÌÕìÖ§¶Ó,ÌØÇÚÖ§¶Ó,½»Ñ²¾¯Ö§¶Ó,¾­ÕìÖ§¶Ó,»§Õþ¿Æ,ÍâÊ¿Æ','ÕâÊÇ×îºóµÄ50ÍòÌõ¼Ç¼')

                set @k=@k+1

                end

    set @j=@j+1

            end

    set @i=@i+1

    end

    set @h=@h+1

    end

    GO

     

    declare @i int

    set @i=1

    while @i<=9000000

    begin

        insert into Tgongwen(fariqi,neibuyonghu,reader,title) values('2004-5-5','ͨÐÅ¿Æ','ͨÐÅ¿Æ,°ì¹«ÊÒ,Íõ¾Ö³¤,Áõ¾Ö³¤,Õžֳ¤,admin,ÐÌÕìÖ§¶Ó,ÌØÇÚÖ§¶Ó,½»Ñ²¾¯Ö§¶Ó,¾­ÕìÖ§¶Ó,»§Õþ¿Æ,Öΰ²Ö§¶Ó,ÍâÊ¿Æ','ÕâÊÇ×îºóÌí¼ÓµÄ900ÍòÌõ¼Ç¼')

        set @i=@i+1000000

    end

    GO

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    begin

    declare @indextable table(id int identity(1,1),nid int)  --¶¨Òå±í±äÁ¿

    declare @PageLowerBound int  --¶¨Òå´ËÒ³µÄµ×Âë

    declare @PageUpperBound int  --¶¨Òå´ËÒ³µÄ¶¥Âë

    set @PageLowerBound=(@pageindex-1)*@pagesize

    set @PageUpperBound=@PageLowerBound+@pagesize

    set rowcount @PageUpperBound

    insert into @indextable(nid) select gid from TGongwen where fariqi >dateadd(day,-365,getdate()) order by fariqi desc

    select O.gid,O.mid,O.title,O.fadanwei,O.fariqi from TGongwen O,@indextable t where O.gid=t.nid

    and t.id>@PageLowerBound and t.id<=@PageUpperBound order by t.id

    end

    set nocount off

    ÒÔÉÏ´æ´¢¹ý³ÌÔËÓÃÁËSQL SERVERµÄ×îм¼Êõ¡ª¡ª±í±äÁ¿¡£Ó¦¸Ã˵Õâ¸ö´æ´¢¹ý³ÌÒ²ÊÇÒ»¸ö·Ç³£ÓÅÐãµÄ·ÖÒ³´æ´¢¹ý³Ì¡£µ±È»£¬ÔÚÕâ¸ö¹ý³ÌÖУ¬ÄúÒ²¿ÉÒÔ°ÑÆäÖеıí±äÁ¿Ð´³ÉÁÙʱ±í£ºCREATE TABLE #Temp¡£µ«ºÜÃ÷ÏÔ£¬ÔÚSQL SERVERÖУ¬ÓÃÁÙʱ±íÊÇûÓÐÓñí±äÁ¿¿ìµÄ¡£ËùÒÔ±ÊÕ߸տªÊ¼Ê¹ÓÃÕâ¸ö´æ´¢¹ý³Ìʱ£¬¸Ð¾õ·Ç³£µÄ²»´í£¬ËÙ¶ÈÒ²±ÈÔ­À´µÄADOµÄºÃ¡£µ«ºóÀ´£¬ÎÒÓÖ·¢ÏÖÁ˱ȴ˷½·¨¸üºÃµÄ·½·¨¡£

    ±ÊÕßÔøÔÚÍøÉÏ¿´µ½ÁËһƪС¶ÌÎÄ¡¶´ÓÊý¾Ý±íÖÐÈ¡³öµÚnÌõµ½µÚmÌõµÄ¼Ç¼µÄ·½·¨¡·£¬È«ÎÄÈçÏ£º

    ´Ópublish ±íÖÐÈ¡³öµÚ n Ìõµ½µÚ m ÌõµÄ¼Ç¼£º
    SELECT TOP m-n+1 *
    FROM publish
    WHERE (id NOT IN
    ¡¡¡¡¡¡¡¡(SELECT TOP n-1 id
    ¡¡¡¡¡¡¡¡ FROM publish))

    id Ϊpublish ±íµÄ¹Ø¼ü×Ö

    ÎÒµ±Ê±¿´µ½ÕâƪÎÄÕµÄʱºò£¬ÕæµÄÊǾ«ÉñΪ֮һÕñ£¬¾õµÃ˼··Ç³£µÃºÃ¡£µÈµ½ºóÀ´£¬ÎÒÔÚ×÷°ì¹«×Ô¶¯»¯ÏµÍ³£¨ASP.NET+ C#£«SQL SERVER£©µÄʱºò£¬ºöÈ»ÏëÆðÁËÕâƪÎÄÕ£¬ÎÒÏëÈç¹û°ÑÕâ¸öÓï¾ä¸ÄÔìһϣ¬Õâ¾Í¿ÉÄÜÊÇÒ»¸ö·Ç³£ºÃµÄ·ÖÒ³´æ´¢¹ý³Ì¡£ÓÚÊÇÎÒ¾ÍÂúÍøÉÏÕÒÕâƪÎÄÕ£¬Ã»Ïëµ½£¬ÎÄÕ»¹Ã»ÕÒµ½£¬È´ÕÒµ½ÁËһƪ¸ù¾Ý´ËÓï¾äдµÄÒ»¸ö·ÖÒ³´æ´¢¹ý³Ì£¬Õâ¸ö´æ´¢¹ý³ÌÒ²ÊÇÄ¿Ç°½ÏΪÁ÷ÐеÄÒ»ÖÖ·ÖÒ³´æ´¢¹ý³Ì£¬ÎҺܺó»ÚûÓÐÕùÏÈ°ÑÕâ¶ÎÎÄ×Ö¸ÄÔì³É´æ´¢¹ý³Ì£º

    CREATE PROCEDURE pagination2
    (
     @SQL nVARCHAR(4000),    --²»´øÅÅÐòÓï¾äµÄSQLÓï¾ä
     @Page int,              --Ò³Âë
     @RecsPerPage int,       --ÿҳÈÝÄɵļǼÊý
     @ID VARCHAR(255),       --ÐèÒªÅÅÐòµÄ²»Öظ´µÄIDºÅ
     @Sort VARCHAR(255)      --ÅÅÐò×ֶμ°¹æÔò
    )
    AS

    DECLARE @Str nVARCHAR(4000)

    SET @Str='SELECT   TOP '+CAST(@RecsPerPage AS VARCHAR(20))+' * FROM ('+@SQL+') T WHERE T.'+@ID+'NOT IN
    (SELECT   TOP '+CAST((@RecsPerPage*(@Page-1)) AS VARCHAR(20))+' '+@ID+' FROM ('+@SQL+') T9 ORDER BY '+@Sort+') ORDER BY '+@Sort

    PRINT @Str

    EXEC sp_ExecuteSql @Str
    GO

    Æäʵ£¬ÒÔÉÏÓï¾ä¿ÉÒÔ¼ò»¯Îª£º

    SELECT TOP Ò³´óС *

    FROM Table1

    WHERE (ID NOT IN

              (SELECT TOP Ò³´óС*Ò³Êý id

             FROM ±í

             ORDER BY id))

    ORDER BY ID

    µ«Õâ¸ö´æ´¢¹ý³ÌÓÐÒ»¸öÖÂÃüµÄȱµã£¬¾ÍÊÇËüº¬ÓÐNOT IN×ÖÑù¡£ËäÈ»ÎÒ¿ÉÒÔ°ÑËü¸ÄÔìΪ£º

    SELECT TOP Ò³´óС *

    FROM Table1

    WHERE not exists

    (select * from (select top (Ò³´óС*Ò³Êý) * from table1 order by id) b where b.id=a.id )

    order by id

    ¼´£¬ÓÃnot existsÀ´´úÌænot in£¬µ«ÎÒÃÇÇ°ÃæÒѾ­Ì¸¹ýÁË£¬¶þÕßµÄÖ´ÐÐЧÂÊʵ¼ÊÉÏÊÇûÓÐÇø±ðµÄ¡£

    ¼È±ãÈç´Ë£¬ÓÃTOP ½áºÏNOT INµÄÕâ¸ö·½·¨»¹ÊDZÈÓÃÓαêÒªÀ´µÃ¿ìһЩ¡£

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    ÔÚ·ÖÒ³Ëã·¨ÖУ¬Ó°ÏìÎÒÃDzéѯËٶȵĹؼüÒòËØÓÐÁ½µã£ºTOPºÍNOT IN¡£TOP¿ÉÒÔÌá¸ßÎÒÃǵIJéѯËٶȣ¬¶øNOT IN»á¼õÂýÎÒÃǵIJéѯËٶȣ¬ËùÒÔÒªÌá¸ßÎÒÃÇÕû¸ö·ÖÒ³Ëã·¨µÄËٶȣ¬¾ÍÒª³¹µ×¸ÄÔìNOT IN£¬Í¬ÆäËû·½·¨À´Ìæ´úËü¡£

    ÎÒÃÇÖªµÀ£¬¼¸ºõÈκÎ×ֶΣ¬ÎÒÃǶ¼¿ÉÒÔͨ¹ýmax(×Ö¶Î)»òmin(×Ö¶Î)À´Ìáȡij¸ö×Ö¶ÎÖеÄ×î´ó»ò×îСֵ£¬ËùÒÔÈç¹ûÕâ¸ö×ֶβ»Öظ´£¬ÄÇô¾Í¿ÉÒÔÀûÓÃÕâЩ²»Öظ´µÄ×ֶεÄmax»òmin×÷Ϊ·ÖË®Á룬ʹÆä³ÉΪ·ÖÒ³Ëã·¨ÖзֿªÃ¿Ò³µÄ²ÎÕÕÎï¡£ÔÚÕâÀÎÒÃÇ¿ÉÒÔÓòÙ×÷·û“>”»ò“<”ºÅÀ´Íê³ÉÕâ¸öʹÃü£¬Ê¹²éѯÓï¾ä·ûºÏSARGÐÎʽ¡£È磺

    Select top 10 * from table1 where id>200

    ÓÚÊǾÍÓÐÁËÈçÏ·ÖÒ³·½°¸£º

    select top Ò³´óС *

    from table1

    where id>

          (select max (id) from

          (select top ((Ò³Âë-1)*Ò³´óС) id from table1 order by id) as T

           )    

      order by id

    ÔÚÑ¡Ôñ¼´²»Öظ´Öµ£¬ÓÖÈÝÒ×·Ö±æ´óСµÄÁÐʱ£¬ÎÒÃÇͨ³£»áÑ¡ÔñÖ÷¼ü¡£Ï±íÁгöÁ˱ÊÕßÓÃÓÐ×Å1000ÍòÊý¾ÝµÄ°ì¹«×Ô¶¯»¯ÏµÍ³ÖÐµÄ±í£¬ÔÚÒÔGID£¨GIDÊÇÖ÷¼ü£¬µ«²¢²»ÊǾۼ¯Ë÷Òý¡££©ÎªÅÅÐòÁС¢ÌáÈ¡gid,fariqi,title×ֶΣ¬·Ö±ðÒÔµÚ1¡¢10¡¢100¡¢500¡¢1000¡¢1Íò¡¢10Íò¡¢25Íò¡¢50ÍòҳΪÀý£¬²âÊÔÒÔÉÏÈýÖÖ·ÖÒ³·½°¸µÄÖ´ÐÐËٶȣº£¨µ¥Î»£ººÁÃ룩

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     ·½°¸1
     ·½°¸2
     ·½°¸3
     
    1
     60
     30
     76
     
    10
     46
     16
     63
     
    100
     1076
     720
     130
     
    500
     540
     12943
     83
     
    1000
     17110
     470
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    1Íò
     24796
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     7168
     

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    ÔÚÈ·¶¨Á˵ÚÈýÖÖ·ÖÒ³·½°¸ºó£¬ÎÒÃÇ¿ÉÒԾݴËдһ¸ö´æ´¢¹ý³Ì¡£´ó¼ÒÖªµÀSQL SERVERµÄ´æ´¢¹ý³ÌÊÇÊÂÏȱàÒëºÃµÄSQLÓï¾ä£¬ËüµÄÖ´ÐÐЧÂÊÒª±Èͨ¹ýWEBÒ³Ãæ´«À´µÄSQLÓï¾äµÄÖ´ÐÐЧÂÊÒª¸ß¡£ÏÂÃæµÄ´æ´¢¹ý³Ì²»½öº¬ÓзÖÒ³·½°¸£¬»¹»á¸ù¾ÝÒ³Ãæ´«À´µÄ²ÎÊýÀ´È·¶¨ÊÇ·ñ½øÐÐÊý¾Ý×ÜÊýͳ¼Æ¡£

    -- »ñÈ¡Ö¸¶¨Ò³µÄÊý¾Ý

    CREATE PROCEDURE pagination3

    @tblName   varchar(255),       -- ±íÃû

    @strGetFields varchar(1000) = '*',  -- ÐèÒª·µ»ØµÄÁÐ

    @fldName varchar(255)='',      -- ÅÅÐòµÄ×Ö¶ÎÃû

    @PageSize   int = 10,          -- Ò³³ß´ç

    @PageIndex  int = 1,           -- Ò³Âë

    @doCount  bit = 0,   -- ·µ»Ø¼Ç¼×ÜÊý, ·Ç 0 ÖµÔò·µ»Ø

    @OrderType bit = 0,  -- ÉèÖÃÅÅÐòÀàÐÍ, ·Ç 0 ÖµÔò½µÐò

    @strWhere  varchar(1500) = ''  -- ²éѯÌõ¼þ (×¢Òâ: ²»Òª¼Ó where)

    AS

    declare @strSQL   varchar(5000)       -- Ö÷Óï¾ä

    declare @strTmp   varchar(110)        -- ÁÙʱ±äÁ¿

    declare @strOrder varchar(400)        -- ÅÅÐòÀàÐÍ

     

    if @doCount != 0

      begin

        if @strWhere !=''

        set @strSQL = "select count(*) as Total from [" + @tblName + "] where "+@strWhere

        else

        set @strSQL = "select count(*) as Total from [" + @tblName + "]"

    end 

    --ÒÔÉÏ´úÂëµÄÒâ˼ÊÇÈç¹û@doCount´«µÝ¹ýÀ´µÄ²»ÊÇ0£¬¾ÍÖ´ÐÐ×ÜÊýͳ¼Æ¡£ÒÔϵÄËùÓдúÂ붼ÊÇ@doCountΪ0µÄÇé¿ö

    else

    begin

     

    if @OrderType != 0

    begin

        set @strTmp = "<(select min"

    set @strOrder = " order by [" + @fldName +"] desc"

    --Èç¹û@OrderType²»ÊÇ0£¬¾ÍÖ´ÐнµÐò£¬Õâ¾äºÜÖØÒª£¡

    end

    else

    begin

        set @strTmp = ">(select max"

        set @strOrder = " order by [" + @fldName +"] asc"

    end

     

    if @PageIndex = 1

    begin

        if @strWhere != ''  

        set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ "  from [" + @tblName + "] where " + @strWhere + " " + @strOrder

         else

         set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ "  from ["+ @tblName + "] "+ @strOrder

    --Èç¹ûÊǵÚÒ»Ò³¾ÍÖ´ÐÐÒÔÉÏ´úÂ룬ÕâÑù»á¼Ó¿ìÖ´ÐÐËÙ¶È

    end

    else

    begin

    --ÒÔÏ´úÂ븳ÓèÁË@strSQLÒÔÕæÕýÖ´ÐеÄSQL´úÂë

    set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ "  from ["

        + @tblName + "] where [" + @fldName + "]" + @strTmp + "(["+ @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["+ @fldName + "] from [" + @tblName + "]" + @strOrder + ") as tblTmp)"+ @strOrder

     

    if @strWhere != ''

        set @strSQL = "select top " + str(@PageSize) +" "+@strGetFields+ "  from ["

            + @tblName + "] where [" + @fldName + "]" + @strTmp + "(["

            + @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["

            + @fldName + "] from [" + @tblName + "] where " + @strWhere + " "

            + @strOrder + ") as tblTmp) and " + @strWhere + " " + @strOrder

    end

    end  

    exec (@strSQL)

    GO

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    ¾­¹ýÕâÑùµÄÓÅ»¯£¬±ÊÕß·¢ÏÖ£¬ÎÞÂÛÊÇ´óÊý¾ÝÁ¿µÄÇé¿öÏ»¹ÊÇСÊý¾ÝÁ¿µÄÇé¿öÏ£¬·ÖÒ³ËÙ¶ÈÒ»°ã¶¼ÊǼ¸Ê®ºÁÃ룬ÉõÖÁ0ºÁÃë¡£¶øÓÃÈÕÆÚ¶ÎËõС·¶Î§µÄ²éѯËٶȱÈÔ­À´Ò²Ã»ÓÐÈκγٶۡ£

    ¾Û¼¯Ë÷ÒýÊÇÈç´ËµÄÖØÒªºÍÕä¹ó£¬ËùÒÔ±ÊÕß×ܽáÁËһϣ¬Ò»¶¨Òª½«¾Û¼¯Ë÷Òý½¨Á¢ÔÚ£º

    1¡¢Äú×îƵ·±Ê¹Óõġ¢ÓÃÒÔËõС²éѯ·¶Î§µÄ×Ö¶ÎÉÏ£»

    2¡¢Äú×îƵ·±Ê¹Óõġ¢ÐèÒªÅÅÐòµÄ×Ö¶ÎÉÏ¡£

     





    Link URL: http://www.cnblogs.com/tester2test/archive/2006/06/05/417610.html
  • ÈçºÎÓÃÃüÁîÐÐÖ´ÐÐloadrunnerµÄ½Å±¾

    2007-06-07 14:30:40


    SET M_ROOT=D:\Mercury Interactive\Mercury LoadRunner\bin
    cd %M_ROOT%
    wlrun.exe -TestPath D:\ceshi10\ScenarioNo1.lrs -port 8080 -Run -DontClose

    ÆäÖÐD:\Mercury Interactive\Mercury LoadRunner\bin ÊÇ°²×°Ä¿Â¼
    D:\ceshi10\ScenarioNo1.lrsÊǽű¾Ä¿Â¼
    DontClose ½Å±¾ÔËÐÐÍê²»¹Ø±Õ¿ØÖÆÆ÷£¬

    ÒÔÉÏÊÇÅú´¦Àí
    °ÑÅú´¦Àí¼Óµ½ windowsµÄÈÎÎñ¼Æ»®ÀÉèÖúÃÔËÐÐʱ¼ä£¬¾Í¿ÉÒÔÁË


    This means the Controller can be started from a DOS batch (.bat) file (preferrably with a short name on a root drive):
      REM Start Controller:
      SET M_ROOT=C:\Program Files\Mercury Interactive\LoadRunner\bin
      cd %M_ROOT%
      wlrun.exe -TestPath D:\Dev\Dev1.lrs -port 8080 -Run -DontClose
      pause Press Ctrl-Z to keep this window or

       

    • Including the -Run parameter is the same as manually pressing the "Start Scenario" automatically upon invocation. This is not a good idea because you may have to decide about collating the file from a previous run or want to change the output folder.




    Link URL: http://www.cnblogs.com/tester2test/archive/2006/06/06/418877.html
  • Java´úÂëȱÏÝ×Ô¶¯·ÖÎö¹¤¾ß½éÉÜ

    2007-06-07 14:30:40

     

    Java´úÂëȱÏÝ×Ô¶¯·ÖÎö¹¤¾ß½éÉÜ

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    1         FindBugsÊÇʲô£¿

    FindBugs ÊÇÒ»¸öjava bytecode¾²Ì¬·ÖÎö¹¤¾ß£¬Ëü¿ÉÒÔ°ïÖújava¹¤³ÌʦÌá¸ß´úÂëÖÊÁ¿ÒÔ¼°ÅųýÒþº¬µÄȱÏÝ¡£

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    2.1       ÕÒ³ö hash equals ²»Æ¥Åä

    ÕÒÓë equals() ºÍ hashCode() µÄʵÏÖÏà¹ØµÄ¼¸¸öÎÊÌâ¡£ÕâÁ½¸ö·½·¨·Ç³£ÖØÒª£¬ÒòΪ¼¸ºõËùÓлùÓÚ¼¯ºÏµÄÀà---List¡¢Map¡¢Set µÈ¶¼µ÷ÓÃËüÃÇ¡£Ò»°ãÀ´Ëµ£¬Õâ¸ö¼ì²âÆ÷Ñ°ÕÒÁ½ÖÖ²»Í¬ÀàÐ͵ÄÎÊÌâ:

    ¢Ùµ±Ò»¸öÀàÖØд¶ÔÏóµÄ equals() ·½·¨£¬µ«ÊÇûÓÐÖØдËüµÄ hashCode ·½·¨£¬»òÕßÏà·´µÄÇé¿öʱ¡£

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    2.2       ¼ì²â£ººöÂÔ·½·¨·µ»ØÖµ

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    1 String aString = "bob";

    2 b.replace('b', 'p');

    3 if(b.equals("pop"))

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    2.3       ¼ì²â£ºNull Ö¸Õë¶Ô null µÄ½âÒýÓã¨dereference£©ºÍÈßÓà±È½Ï

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    1 Person person = aMap.get("bob");

    2 if (person != null) {

    3      person.updateAccessTime();

    4 }

    5 String name = person.getName();

    ÔÚÕâ¸öÀý×ÓÖУ¬Èç¹ûµÚ 1 ÐÐµÄ Map ²»°üÀ¨Ò»¸öÃûΪ“bob”µÄÈË£¬ÄÇôÔÚµÚ 5 ÐÐѯÎÊ person µÄÃû×Öʱ¾Í»á³öÏÖ null Ö¸ÕëÒì³£¡£ÒòΪ FindBugs ²»ÖªµÀ map ÊÇ·ñ°üº¬“bob”£¬ËùÒÔËü½«µÚ 5 Ðбê¼ÇΪ¿ÉÄÜ null Ö¸ÕëÒì³£¡£

     

    2.4       ¼ì²â£º³õʼ»¯Ö®Ç°¶ÁÈ¡×Ö¶Î

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    1 public class Thing {

    2      private List actions;

    3      public Thing(String startingActions) {

    4       StringTokenizer tokenizer = new StringTokenizer(startingActions);

    5          while (tokenizer.hasMoreTokens()) {

    6              actions.add(tokenizer.nextToken());

    7       }

    8      }

    9 }

    ÔÚÕâ¸öÀý×ÓÖУ¬µÚ 6 Ðн«²úÉúÒ»¸ö null Ö¸ÕëÒì³££¬ÒòΪ±äÁ¿ actions »¹Ã»Óгõʼ»¯¡£

     

    2.5       ÃüÃû¼ì²é

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    2.6       δʹÓõĴúÂë¼ì²é

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    2.7       ǶÌ×¼ì²é

    ÀýÈ磺 switch Óï¾äÓ¦µ±ÓÐ default ¿é£¬Ó¦µ±±ÜÃâÉî¶ÈǶÌ×µÄ if ¿é£¬²»Ó¦µ±¸ø²ÎÊýÖØи³Öµ£¬²»Ó¦¸Ã¶Ô double Öµ½øÐÐÏàµÈ±È½Ï¡£

     

    2.8       µ¼ÈëÓï¾ä¼ì²é

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    2.9       JUnit ²âÊÔ¼ì²é

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    2.10   ×Ö·û´®¼ì²é

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    2.11   À¨ºÅ¼ì²é

    ¼ì²é for¡¢ if¡¢ while ºÍ else Óï¾äÊÇ·ñʹÓÃÁËÀ¨ºÅ¡£

     

    2.12   ´úÂë³ß´ç¼ì²é

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    2.13   ÖսắÊý¼ì²é

    ÒòΪÔÚ Java ÓïÑÔÖУ¬ finalize() ·½·¨²»ÊÇÄÇôÆձ飬ËüÃǵÄʹÓùæÔòËäÈ»ºÜÏêϸ£¬µ«ÊÇÈËÃǶÔËüÃÇÏà¶Ô²»ÊǺÜÊìϤ¡£ÕâÀà¼ì²é²éÕÒ finalize() ·½·¨µÄ¸÷ÖÖÎÊÌ⣬ÀýÈç¿ÕµÄÖսắÊý£¬µ÷ÓÃÆäËû·½·¨µÄ finalize() ·½·¨£¬¶Ô finalize() µÄÏÔʽµ÷Ó㬵ȵȡ£

     

    2.14   ¿Ë¡¼ì²é

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    2.15   ñîºÏ¼ì²é

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    2.16   Òì³£¼ì²é

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    2.17   ÈÕÖ¾¼ì²é

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    µÚ 5 ÐУº Èç¹ûÖ¸¶¨ÁË sourcePath ÔªËØ£¬ÄÇô path ÊôÐÔÓ¦µ±±íÃ÷Ò»¸ö°üº¬Ó¦ÓóÌÐòÔ´´úÂëµÄĿ¼¡£Ö¸¶¨Ä¿Â¼Ê¹ FindBugs ¿ÉÒÔÔÚ GUI Öв鿴 XML ½á¹ûʱͻ³öÏÔʾ³ö´íµÄÔ´´úÂë¡£Õâ¸öÔªËØÊÇ¿ÉÑ¡µÄ¡£

     

     

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