⭐ 欢迎来到虫虫下载站！ | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站
📤 上传资源

📄 如何画数据库er图.htm

📁 数据库系统工程师的考点 难点 很值得一看的有
💻 HTM
📖 第 1 页 / 共 5 页
字号:
🔍
12345 
  <TR>
    <TD><![endif]>
      <DIV>
      <P class=MsoNormal><SPAN 
      style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">学生报出自己的学号和名字进入系统</SPAN></P></DIV><![if !mso]></TD></TR></TBODY></TABLE><![endif]></v:textbox></v:rect><v:rect 
id=_x0000_s1272 
style="LEFT: 4140px; WIDTH: 1080px; POSITION: absolute; TOP: 12516px; HEIGHT: 1092px" 
coordsize = "21600,21600" o:regroupid = "20" strokecolor = "white"><v:textbox 
style="MARGIN-TOP: 4.531pt; LEFT: auto; MARGIN-LEFT: 8.312pt; WIDTH: 38.875pt; TOP: auto; HEIGHT: 46.656pt; mso-next-textbox: #_x0000_s1272"><![if !mso]>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TBODY>
  <TR>
    <TD><![endif]>
      <DIV>
      <P class=MsoNormal><SPAN 
      style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">学号和名字</SPAN></P></DIV><![if !mso]></TD></TR></TBODY></TABLE><![endif]></v:textbox></v:rect><v:rect 
id=_x0000_s1273 
style="LEFT: 5220px; WIDTH: 1080px; POSITION: absolute; TOP: 12360px; HEIGHT: 1404px" 
coordsize = "21600,21600" o:regroupid = "20"><v:textbox 
style="MARGIN-TOP: 5pt; LEFT: auto; MARGIN-LEFT: 8.312pt; WIDTH: 38.875pt; TOP: auto; HEIGHT: 62.25pt; mso-next-textbox: #_x0000_s1273"><![if !mso]>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TBODY>
  <TR>
    <TD><![endif]>
      <DIV>
      <P class=MsoNormal><SPAN 
      style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">系统进行学生的身份检验</SPAN></P></DIV><![if !mso]></TD></TR></TBODY></TABLE><![endif]></v:textbox></v:rect><v:rect 
id=_x0000_s1274 
style="LEFT: 6480px; WIDTH: 1080px; POSITION: absolute; TOP: 12516px; HEIGHT: 1092px" 
coordsize = "21600,21600" o:regroupid = "20" strokecolor = "white"><v:textbox 
style="MARGIN-TOP: 4.531pt; LEFT: auto; MARGIN-LEFT: 8.312pt; WIDTH: 38.875pt; TOP: auto; HEIGHT: 46.656pt; mso-next-textbox: #_x0000_s1274"><![if !mso]>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TBODY>
  <TR>
    <TD><![endif]>
      <DIV>
      <P class=MsoNormal><SPAN 
      style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">检验符合要求</SPAN></P></DIV><![if !mso]></TD></TR></TBODY></TABLE><![endif]></v:textbox></v:rect><v:rect 
id=_x0000_s1275 
style="LEFT: 6480px; WIDTH: 1080px; POSITION: absolute; TOP: 14700px; HEIGHT: 1092px" 
coordsize = "21600,21600" o:regroupid = "20"><v:textbox 
style="MARGIN-TOP: 4.968pt; LEFT: auto; MARGIN-LEFT: 8.312pt; WIDTH: 38.875pt; TOP: auto; HEIGHT: 46.687pt; mso-next-textbox: #_x0000_s1275"><![if !mso]>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TBODY>
  <TR>
    <TD><![endif]>
      <DIV>
      <P class=MsoNormal><SPAN 
      style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">学生根据课程表选课</SPAN></P>
      <P class=MsoNormal><SPAN lang=EN-US><o:p>&nbsp;</o:p></SPAN></P></DIV><![if !mso]></TD></TR></TBODY></TABLE><![endif]></v:textbox></v:rect><v:rect 
id=_x0000_s1276 
style="LEFT: 7740px; WIDTH: 1260px; POSITION: absolute; TOP: 12360px; HEIGHT: 1404px" 
coordsize = "21600,21600" o:regroupid = "20"><v:textbox 
style="MARGIN-TOP: 5pt; LEFT: auto; MARGIN-LEFT: 8.312pt; WIDTH: 47.875pt; TOP: auto; HEIGHT: 62.25pt; mso-next-textbox: #_x0000_s1276"><![if !mso]>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TBODY>
  <TR>
    <TD><![endif]>
      <DIV>
      <P class=MsoNormal><SPAN 
      style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">系统显示安排好的各专业课程。。</SPAN></P></DIV><![if !mso]></TD></TR></TBODY></TABLE><![endif]></v:textbox></v:rect><v:rect 
id=_x0000_s1277 
style="LEFT: 7740px; WIDTH: 1080px; POSITION: absolute; TOP: 14232px; HEIGHT: 1092px" 
coordsize = "21600,21600" o:regroupid = "20" strokecolor = "white"><v:textbox 
style="MARGIN-TOP: 4.843pt; LEFT: auto; MARGIN-LEFT: 8.312pt; WIDTH: 38.875pt; TOP: auto; HEIGHT: 46.656pt; mso-next-textbox: #_x0000_s1277"><![if !mso]>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TBODY>
  <TR>
    <TD><![endif]>
      <DIV>
      <P class=MsoNormal><SPAN 
      style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">课程</SPAN></P>
      <P class=MsoNormal><SPAN 
      style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">表</SPAN></P></DIV><![if !mso]></TD></TR></TBODY></TABLE><![endif]></v:textbox></v:rect><v:rect 
id=_x0000_s1278 
style="LEFT: 3780px; WIDTH: 1440px; POSITION: absolute; TOP: 14544px; HEIGHT: 1248px" 
coordsize = "21600,21600" o:regroupid = "20"><v:textbox 
style="MARGIN-TOP: 4.687pt; LEFT: auto; MARGIN-LEFT: 8.312pt; WIDTH: 56.875pt; TOP: auto; HEIGHT: 54.468pt; mso-next-textbox: #_x0000_s1278"><![if !mso]>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TBODY>
  <TR>
    <TD><![endif]>
      <DIV>
      <P class=MsoNormal><SPAN 
      style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">系统录入选课程并且进行验证</SPAN></P></DIV><![if !mso]></TD></TR></TBODY></TABLE><![endif]></v:textbox></v:rect><v:rect 
id=_x0000_s1279 
style="LEFT: 5220px; WIDTH: 1080px; POSITION: absolute; TOP: 14700px; HEIGHT: 936px" 
coordsize = "21600,21600" o:regroupid = "20" strokecolor = "white"><v:textbox 
style="MARGIN-TOP: 4.968pt; LEFT: auto; MARGIN-LEFT: 8.312pt; WIDTH: 38.875pt; TOP: auto; HEIGHT: 38.875pt; mso-next-textbox: #_x0000_s1279"><![if !mso]>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TBODY>
  <TR>
    <TD><![endif]>
      <DIV>
      <P class=MsoNormal><SPAN 
      style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">选择的课程</SPAN></P></DIV><![if !mso]></TD></TR></TBODY></TABLE><![endif]></v:textbox></v:rect><v:line 
id=_x0000_s1280 style="POSITION: absolute" from = "3960,12828" to = "5220,12828" 
o:regroupid = "19"><v:stroke endarrow = "block"></v:stroke></v:line><v:line 
id=_x0000_s1281 style="POSITION: absolute" from = "6300,12828" to = "7740,12828" 
o:regroupid = "19"><v:stroke endarrow = "block"></v:stroke></v:line><v:line 
id=_x0000_s1282 style="POSITION: absolute" from = "8460,13764" to = "8460,15168" 
o:regroupid = "19"></v:line><v:line id=_x0000_s1283 
style="POSITION: absolute; flip: x" from = "7560,15168" to = "8460,15168" 
o:regroupid = "19"><v:stroke endarrow = "block"></v:stroke></v:line><v:line 
id=_x0000_s1284 style="POSITION: absolute; flip: x" from = "5220,15168" to = 
"6480,15168" o:regroupid = "19"><v:stroke endarrow = 
"block"></v:stroke></v:line></v:group><![endif]--><![if !vml]><span style='mso-ignore:vglayout'>

<table cellpadding=0 cellspacing=0 align=left>
 <tr>
  <td width=35 height=9></td>
 </tr>
 <tr>
  <td></td>
  <td><img width=474 height=235 src="如何画数据库ER图.files/image002.gif" v:shapes="_x0000_s1285 _x0000_s1271 _x0000_s1272 _x0000_s1273 _x0000_s1274 _x0000_s1275 _x0000_s1276 _x0000_s1277 _x0000_s1278 _x0000_s1279 _x0000_s1280 _x0000_s1281 _x0000_s1282 _x0000_s1283 _x0000_s1284"></td>
 </tr>
</table>

</span><![endif]><SPAN lang=EN-US><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 21pt"><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 21pt"><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 21pt"><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 21pt"><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 21pt"><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 21pt"><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 21pt"><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 21pt"><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 21pt"><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 21pt"><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 21pt"><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P><BR style="mso-ignore: vglayout" 
clear=all>
<P class=MsoNormal style="MARGIN-LEFT: 21pt"><SPAN lang=EN-US>2</SPAN><SPAN 
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）画数据流图</SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 21pt"><SPAN 
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">（一、）顶层数据流图</SPAN></P>
<P class=MsoNormal style="MARGIN-LEFT: 21pt"><SPAN 
lang=EN-US><o:p>&nbsp;</o:p></SPAN></P>
<P class=MsoNormal><!--[if gte vml 1]><v:group id=_x0000_s1038 
style="MARGIN-TOP: 0px; Z-INDEX: 1; LEFT: 0px; MARGIN-LEFT: 54pt; WIDTH: 315pt; POSITION: absolute; HEIGHT: 117pt; TEXT-ALIGN: left" 
coordsize = "6300,2340" coordorigin = "2880,2064"><v:rect id=_x0000_s1037 
style="LEFT: 7380px; WIDTH: 1260px; POSITION: absolute; TOP: 2688px; HEIGHT: 468px" 
coordsize = "21600,21600" strokecolor = "white"><v:textbox 
style="MARGIN-TOP: 4.406pt; LEFT: auto; MARGIN-LEFT: 8.312pt; WIDTH: 47.875pt; TOP: auto; HEIGHT: 15.468pt"><![if !mso]>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TBODY>
  <TR>
    <TD><![endif]>
      <DIV>
      <P class=MsoNormal><SPAN 
      style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">查询情况</SPAN></P></DIV><![if !mso]></TD></TR></TBODY></TABLE><![endif]></v:textbox></v:rect><v:rect 
id=_x0000_s1033 
style="LEFT: 3420px; WIDTH: 1620px; POSITION: absolute; TOP: 2688px; HEIGHT: 468px" 
coordsize = "21600,21600" strokecolor = "white"><v:textbox 
style="MARGIN-TOP: 4.406pt; LEFT: auto; MARGIN-LEFT: 8.312pt; WIDTH: 65.875pt; TOP: auto; HEIGHT: 15.468pt"><![if !mso]>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TBODY>
  <TR>
    <TD><![endif]>
      <DIV>
      <P class=MsoNormal><SPAN 
      style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">学生选课请求</SPAN></P></DIV><![if !mso]></TD></TR></TBODY></TABLE><![endif]></v:textbox></v:rect><v:rect 
id=_x0000_s1026 
style="LEFT: 2880px; WIDTH: 540px; POSITION: absolute; TOP: 2376px; HEIGHT: 1716px" 
coordsize = "21600,21600"><v:textbox 
style="MARGIN-TOP: 4.562pt; LEFT: auto; MARGIN-LEFT: 8.312pt; WIDTH: 11.875pt; TOP: auto; HEIGHT: 77.843pt"><![if !mso]>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TBODY>
  <TR>
    <TD><![endif]>
      <DIV>
      <P class=MsoNormal><SPAN lang=EN-US><o:p>&nbsp;</o:p></SPAN></P></DIV><![if !mso]></TD></TR></TBODY></TABLE><![endif]></v:textbox></v:rect><v:oval 
id=_x0000_s1027 
style="LEFT: 5040px; WIDTH: 2340px; POSITION: absolute; TOP: 2220px; HEIGHT: 2184px" 
coordsize = "21600,21600"><v:textbox 
style="MARGIN-TOP: 19.843pt; LEFT: auto; MARGIN-LEFT: 23.25pt; WIDTH: 72pt; TOP: auto; HEIGHT: 71.593pt"><![if !mso]>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TBODY>
  <TR>
    <TD><![endif]>
      <DIV>
      <P class=MsoNormal style="TEXT-ALIGN: center" align=center><B><SPAN 
      style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">教务</SPAN></B><B><SPAN 
      lang=EN-US 
      style="FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt"><o:p></o:p></SPAN></B></P>
      <P class=MsoNormal style="TEXT-ALIGN: center" align=center><B><SPAN 
      style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">管理系统</SPAN></B><B><SPAN 
      lang=EN-US 
      style="FONT-SIZE: 14pt; mso-bidi-font-size: 12.0pt"><o:p></o:p></SPAN></B></P></DIV><![if !mso]></TD></TR></TBODY></TABLE><![endif]></v:textbox></v:oval><v:rect 
id=_x0000_s1028 
style="LEFT: 8640px; WIDTH: 540px; POSITION: absolute; TOP: 2532px; HEIGHT: 1560px" 
coordsize = "21600,21600"></v:rect><v:rect id=_x0000_s1030 
style="LEFT: 3597px; WIDTH: 1623px; POSITION: absolute; TOP: 2064px; HEIGHT: 468px" 
coordsize = "21600,21600" strokecolor = "white"><v:textbox 
style="MARGIN-TOP: 4.718pt; LEFT: auto; MARGIN-LEFT: 8.156pt; WIDTH: 66.031pt; TOP: auto; HEIGHT: 15.437pt"><![if !mso]>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
12345

⌨️ 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 + -