📄 slide0092.htm
字号:
<html xmlns:v="urn:schemas-microsoft-com:vml"
xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns:p="urn:schemas-microsoft-com:office:powerpoint"
xmlns:oa="urn:schemas-microsoft-com:office:activation"
xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv=Content-Type content="text/html; charset=gb2312">
<meta name=ProgId content=PowerPoint.Slide>
<meta name=Generator content="Microsoft PowerPoint 11">
<link id=Main-File rel=Main-File href="../z13.htm">
<link rel=Preview href=preview.wmf>
<!--[if !mso]>
<style>
v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
p\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
v\:textbox {display:none;}
</style>
<![endif]-->
<title>第十三章 数据库编程基础</title>
<meta name=Description content=2008-3-24>
<link rel=Stylesheet href="master08_stylesheet.css">
<![if !ppt]>
<style media=print>
<!--.sld
{left:0px !important;
width:6.0in !important;
height:4.5in !important;
font-size:107% !important;}
-->
</style>
<script src=script.js></script><script><!--
if( !IsNts() ) Redirect( "PPTSld" );
//--></script><!--[if vml]><script>g_vml = 1;
</script><![endif]--><![endif]><o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="116"/>
</o:shapelayout>
</head>
<body lang=ZH-CN style='margin:0px;background-color:black'
onclick="DocumentOnClick()" onresize="_RSW()" onload="LoadSld()"
onkeypress="_KPH()">
<div id=SlideObj class=sld style='position:absolute;top:0px;left:0px;
width:534px;height:400px;font-size:16px;background-color:#E3DDBB;background-image:
url("master08_image001.jpg");clip:rect(0%, 101%, 101%, 0%);visibility:hidden'><p:slide
coordsize="720,540"
colors="#ffffff,#000000,#808080,#482400,#dfd6c3,#d69b80,#993300,#666600"
masterhref="master08.xml">
<p:shaperange href="master08.xml#_x0000_s124929"/><![if !ppt]><p:shaperange
href="master08.xml#_x0000_s124930"/><![if !vml]><img border=0
v:shapes="_x0000_s124930" src="master08_image003.jpg" style='position:absolute;
top:0%;left:0%;width:7.49%;height:100.0%'><![endif]><p:shaperange
href="master08.xml#_x0000_s124932"/><p:shaperange
href="master08.xml#_x0000_s124933"/><![endif]><v:shapetype id="_x0000_t202"
coordsize="21600,21600" o:spt="202" path="m,l,21600r21600,l21600,xe">
<v:stroke joinstyle="miter"/>
<v:path gradientshapeok="t" o:connecttype="rect"/>
</v:shapetype><v:shape id="_x0000_s118786" type="#_x0000_t202" style='position:absolute;
left:60pt;top:28.875pt;width:9in;height:194.125pt;mso-wrap-distance-left:0;
mso-wrap-distance-right:0' filled="f" fillcolor="#dfd6c3 [4]" stroked="f"
strokecolor="black [1]">
<v:shadow color="gray [2]"/>
<v:textbox style='mso-fit-shape-to-text:t'/>
</v:shape><v:shape id="_x0000_s118787" type="#_x0000_t202" style='position:absolute;
left:1in;top:238.875pt;width:588pt;height:79.125pt;mso-wrap-distance-left:0;
mso-wrap-distance-right:0' filled="f" fillcolor="#dfd6c3 [4]" stroked="f"
strokecolor="black [1]">
<v:shadow color="gray [2]"/>
<v:textbox style='mso-fit-shape-to-text:t'/>
</v:shape>
<div v:shape="_x0000_s118786" class=O style='mso-line-spacing:"130 50 0"'><span
style='position:absolute;top:8.25%;left:9.36%;width:100.74%;height:4.75%'><span
style='font-family:宋体;mso-ascii-font-family:宋体'><b><span
style='mso-spacerun:yes'> </span>在实际操作中使用什么记录集关键取决于要完成的任</b></span></span><span
style='position:absolute;top:15.0%;left:9.36%;width:104.68%;height:4.75%'><span
style='font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体'><b>务。</b></span><span
style='font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体;
color:blue'><b>表类型的记录集</b></span><span style='font-family:宋体;mso-ascii-font-family:
宋体;mso-fareast-font-family:宋体'><b>已建立了索引，适合快速定位与排序，</b></span></span><span
style='position:absolute;top:22.0%;left:9.36%;width:104.68%;height:4.75%'><span
style='font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体'><b>但内存开销太大。</b></span><span
style='font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体;
color:blue'><b>动态集类型</b></span><span style='font-family:宋体;mso-ascii-font-family:
宋体;mso-fareast-font-family:宋体'><b>的记录集则适合更新数据，但</b></span></span><span
style='position:absolute;top:28.99%;left:9.36%;width:104.68%;height:4.75%'><span
style='font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体'><b>其搜索速度不及表类型。</b></span><span
style='font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体;
color:blue'><b>快照类型的记录集</b></span><span style='font-family:宋体;mso-ascii-font-family:
宋体;mso-fareast-font-family:宋体'><b>内存开销最小，</b></span></span><span
style='position:absolute;top:35.25%;left:9.36%;width:88.2%;height:5.25%'><span
style='font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体'><b>适合显示只读数据。</b></span><b>
</b></span></div>
<div v:shape="_x0000_s118787" class=O>
<div style='text-align:justify;mso-line-spacing:"100 50 0";position:absolute;
top:45.25%;left:11.04%;width:71.34%;height:5.25%'><nobr><span
style='font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体'><b>使用</b></span><span
lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
mso-fareast-font-family:"Arial Unicode MS";mso-fareast-language:ZH-CN'><b>Recordset</b></span><span
style='font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体'><b>对象的属性与方法的一般格式为：</b></span><span
style='font-family:"Arial Unicode MS";mso-fareast-font-family:"Arial Unicode MS";
display:none'><b> </b></span></nobr></div>
<div style='text-align:center;mso-line-spacing:"100 50 0";position:absolute;
top:53.25%;left:11.04%;width:79.77%;height:5.25%'><span style='font-family:
宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体'><b>数据控件名</b></span><span
style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
mso-fareast-font-family:"Arial Unicode MS"'><b> . Recordset . </b></span><span
style='font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体'><b>属性</b></span><span
lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
mso-fareast-font-family:"Arial Unicode MS";mso-fareast-language:ZH-CN'><b>/</b></span><span
style='font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-font-family:宋体'><b>方法</b></span><span
style='font-family:宋体;mso-fareast-font-family:宋体;mso-special-format:lastCR;
display:none'><b> </b></span></div>
</div>
</p:slide></div>
</body>
</html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -