《電子商務網(wǎng)站》PPT課件
,電子商務網(wǎng)站與網(wǎng)頁,電子商務網(wǎng)站與網(wǎng)頁,電子商務網(wǎng)站與網(wǎng)頁,ASP動態(tài)網(wǎng)站開發(fā)基礎教程 陳建偉編著,客戶(IE瀏覽器),Web服務器,數(shù)據(jù)庫服務器,應用程序服務器,HTTP請求,HTML文檔,動態(tài)頁面,處理結果,訪問數(shù)據(jù),訪問結果,趙,第9章 ADO數(shù)據(jù)庫訪問技術,Access,訪問數(shù)據(jù)庫,HOME,第9章 訪問數(shù)據(jù)庫9.1 應用Access數(shù)據(jù)庫,HOME,數(shù)據(jù)庫(DB),按邏輯結構存儲數(shù)據(jù),數(shù)據(jù)庫管理系統(tǒng)(DBMS),管理數(shù)據(jù)的軟件,記錄,字段,術語,表,數(shù)據(jù)庫術語,創(chuàng)建數(shù)據(jù)庫,SQL語句,第9章 訪問數(shù)據(jù)庫9.1 應用Access數(shù)據(jù)庫,HOME,創(chuàng)建數(shù)據(jù)庫,1、打開Access,2、新建數(shù)據(jù)庫db1.mdb,3、新建數(shù)據(jù)表table1,數(shù)據(jù)庫術語,創(chuàng)建數(shù)據(jù)庫,SQL語句,第9章 訪問數(shù)據(jù)庫9.1 應用Access數(shù)據(jù)庫,HOME,創(chuàng)建數(shù)據(jù)庫,打開Access,Microsoft Office Microsoft Office Access 2003,數(shù)據(jù)庫術語,創(chuàng)建數(shù)據(jù)庫,SQL語句,菜單欄,工具欄,狀態(tài)欄,工作區(qū),新建數(shù)據(jù)庫,點擊空數(shù)據(jù)庫,新建數(shù)據(jù)庫名db1.mdb,新建表,設計表的視圖,學號,學號,右鍵點擊“學號”,點擊“主鍵”,使“學號”具有唯一性,也就是表中記錄不能有相同學號。,點擊“保存”或關閉“設計視圖”窗口,新建表的名稱,新建數(shù)據(jù)庫db1中新建表table1,新建數(shù)據(jù)庫db1.mdb,001 Alice,為表添加數(shù)據(jù),第9章 訪問數(shù)據(jù)庫9.1 應用Access數(shù)據(jù)庫,HOME,SQL(結構化查詢語言),插入,刪除,修改,查詢,INSERT,DELETE,UPDATE,SELECT,數(shù)據(jù)庫術語,創(chuàng)建數(shù)據(jù)庫,SQL語句,第9章 訪問數(shù)據(jù)庫9.1 應用Access數(shù)據(jù)庫,HOME,SQL,插入,INSERT INTO (, ,),VALUES (, ,),INSERT INTO table1 (學號,姓名),VALUES (33883, 周),數(shù)據(jù)庫術語,創(chuàng)建數(shù)據(jù)庫,SQL語句,第9章 訪問數(shù)據(jù)庫9.1 應用Access數(shù)據(jù)庫,HOME,SQL,刪除,DELETE FROM WHERE ,DELETE FROM table1 WHERE 姓名= 周,數(shù)據(jù)庫術語,創(chuàng)建數(shù)據(jù)庫,SQL語句,第9章 訪問數(shù)據(jù)庫9.1 應用Access數(shù)據(jù)庫,HOME,SQL,修改,UPDATE ,SET =, =,UPDATE table1,SET 學號= 010,WHERE ,WHERE 姓名=周,數(shù)據(jù)庫術語,創(chuàng)建數(shù)據(jù)庫,SQL語句,第9章 訪問數(shù)據(jù)庫9.1 應用Access數(shù)據(jù)庫,HOME,SQL,查詢,SELECT *,FROM table1,WHERE 姓名= 趙,SELECT ,FROM ,ORDER BY ASC|DESC,WHERE ,數(shù)據(jù)庫術語,創(chuàng)建數(shù)據(jù)庫,SQL語句,第9章 訪問數(shù)據(jù)庫9.1 應用Access數(shù)據(jù)庫,HOME,SQL,拓展問題,數(shù)據(jù)庫術語,創(chuàng)建數(shù)據(jù)庫,SQL語句,第9章 訪問數(shù)據(jù)庫9.2 訪問數(shù)據(jù)庫,HOME,Connection,連接數(shù)據(jù)庫,Connection對象,訪問數(shù)據(jù)庫,又稱連接對象,用來和數(shù)據(jù)庫建立連接。,Connection對象介紹,Connection對象的方法: Open建立Connection對象和數(shù)據(jù)庫之間的連接。 Close關閉Connection對象和數(shù)據(jù)庫之間的連接。 Execute執(zhí)行對數(shù)據(jù)庫的各種操作。,第9章 訪問數(shù)據(jù)庫9.2 訪問數(shù)據(jù)庫,HOME,連接數(shù)據(jù)庫,set conn=server.createobject(ADODB.Connection),conn.provider=Microsoft.jet.oledb.4.0,conn.Open=C:Inetpubwwwrootdb1.mdb,Connection,連接數(shù)據(jù)庫,訪問數(shù)據(jù)庫,第9章 訪問數(shù)據(jù)庫9.2 訪問數(shù)據(jù)庫,HOME,引入文件共用代碼,Connection,連接數(shù)據(jù)庫,訪問數(shù)據(jù)庫, ,one.asp,two.asp,第9章 訪問數(shù)據(jù)庫9.2 訪問數(shù)據(jù)庫,HOME,訪問數(shù)據(jù)庫,set conn=server.createobject(ADODB.Connection),conn.provider=Microsoft.jet.oledb.4.0,conn.Open=C:Inetpubwwwrootdb1.mdb,StrSql=增/刪/改的SQL語句,conn.Execute strSql,Connection,連接數(shù)據(jù)庫,訪問數(shù)據(jù)庫,conn.Close,連接數(shù)據(jù)庫,訪問數(shù)據(jù)庫,第9章 訪問數(shù)據(jù)庫9.2 訪問數(shù)據(jù)庫,HOME,訪問數(shù)據(jù)庫應用,StrSql= Delete From table1 Where 姓名= 周 ,程序中的SQL語句:雙引號變成單引號,程序中的SQL語句:拼接變量,VaName=周 StrSql=Delete From table1 Where 姓名= &VaName& ,