Delphi 操作SQL 插入一万条数据：三种方案速度上的对比

unit Unit1;

interface

uses

  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

  Dialogs, DB, ADODB, StdCtrls;

type

  TForm1 = class(TForm)

    Button1: TButton;

    btn1: TButton;

    ADOConnection1: TADOConnection;

    ADOQuery1: TADOQuery;

    ADOCommand1: TADOCommand;

    Button2: TButton;

    procedure Button1Click(Sender: TObject);

    procedure btn1Click(Sender: TObject);

    procedure Button2Click(Sender: TObject);

  private

    { Private declarations }

    procedure ExecSql(SqlSentence:String);

  public

    { Public declarations }

  end;

var

  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.ExecSql(SqlSentence:String);

begin

    with ADOQuery1 do

    begin

      Close;

      SQL.Clear();

      SQL.Add(SqlSentence);

      ExecSQL;

    end;

end;

// 一条一套插入1万条数据 耗时大约86秒

procedure TForm1.Button1Click(Sender: TObject);

var I:integer;

    SqlStr,MsgStr:string;

    ID,Name:string;

    Time:Cardinal;

begin 

  Time:=GetTickCount;

  for i:=1 to 10000 do

  begin

    Name:= QuotedStr('easyboot'+InttoStr(i));

    SqlStr:=Format(' insert into MyTest (Name) values (%s)',[Name]);

    ExecSql(SqlStr );

  end;

  Time:=GetTickCount-Time;

  MsgStr:=Format('Time %d ',[Time]);

  ShowMessage(MsgStr);

end;

 

 // 一次插入1万条数据 耗时大约19秒

procedure TForm1.btn1Click(Sender: TObject);

var I,x:integer;

    SqlStr,MsgStr:string;

    ID,Name:string;

    Time:Cardinal;

begin

  Time:=GetTickCount;

  for i:=1 to 10000 do

  begin

    Name:= QuotedStr('easyboot'+InttoStr(i));

    SqlStr:=SqlStr+Format(' insert into MyTest (Name) values (%s)  ',[Name]);

  end;

  ExecSql(SqlStr );

  Time:=GetTickCount-Time;

  MsgStr:=Format('Time %d ',[Time]);

  ShowMessage(MsgStr);

end;

  

// 一次插入1万条数据 耗时大约4秒

procedure TForm1.Button2Click(Sender: TObject);

var I,x:integer;

    SqlStr,MsgStr:string;

    ID,Name:string;

    Time:Cardinal;

begin

  Time:=GetTickCount;

  for i:=1 to 10000 do

  begin

    Name:= QuotedStr('easyboot'+InttoStr(i));

    SqlStr:=SqlStr+ Format(' insert into MyTest (Name) values (%s)  ',[Name]);

  end;

  ADOConnection1.Open;

  ADOConnection1.BeginTrans;

  ADOCommand1.CommandText:=SqlStr;

  ADOCommand1.Execute();

  ADOConnection1.CommitTrans;

 

  Time:=GetTickCount-Time;

  MsgStr:=Format('Time %d ',[Time]);

  ShowMessage(MsgStr);

end;

 

end.