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　晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 . Prv8 Shell

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<HTML>
<HEAD>
<LINK REL="stylesheet" href="odbc.css">
<TITLE>Introduction</TITLE>
</HEAD>
<BODY bgcolor="white">

<table width="90%" cols="3" border="0">
<TR>
   <TD colspan="3" class="big">Introduction</TD>
</TR>
<TR>
  <TD colspan="3">Welcome to a short tutorial on ODBC programming. The goal of this tutorial is 
    to introduce a C-Programmer to ODBC programming. During this tutorial we will
    code a simple program which connects to a database via ODBC and reads some data. 
	There won't be any information on how to program ODBC Drivers or about <EM>unixODBC</EM> 
	internals. Configuration won't be covered too.
    The program developed throughout this tutorial was originally coded under WinNT
	and later ported without any adjustments to Linux and <EM>unixODBC</EM>. This is
	how compatibility should work :)
	<P>
	The information given within this tutorial are brief at best. Please
	take it as a pointer where and how to start. 
	</P><BR>
   </TD>
</TR>
</TABLE>
<TABLE COLS="3" Width="90%" border="0">
<TR><TD class="head" width="25%">Requirements</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="73%">I assume that you have</TD>
</TR>
<TR>
	<TD colspan="2">&nbsp;</TD>
	<TD><UL>
		   <LI>a system with unixODBC installed and with at least one
	           working datasource configured. 
		   <LI>the include files installed under <CODE>/usr/include/odbc</CODE>
		   <LI>a compiler installed and that you know how to use it ;)
		</UL>
	</TD>
</TR>
<TR><TD class="head" width="25%">Compiling</TD>
    <TD width="2%">&nbsp;</TD>
	<TD>If gcc is installed type:</TD>
</TR>
<TR>
	<TD colspan="2">&nbsp;</TD>
	<TD><CODE>gcc odbc.c -o odbc -lodbc</CODE><BR>
	    which will result in an executable named "odbc".
    </TD>
</TR>
<TR><TD class="head"><A nAME="tab">Database</A></TD>
    <TD width="20">&nbsp;</TD>
	<TD>Our database will have a single table:</TD>
</TR>
<TR>
	<TD colspan="2">&nbsp;</TD>
	<TD><TABLE COLS=2 Border="0" bgcolor="#efefef">
	    <TR>
		   <TH colspan=2 class="head">tkeyuser</TH>
		</TR>
		<TR>
		   <TD>iduser</TD>
		   <TD>sequence</TD>
		</TR>
		<TR>
		   <TD>dtname</TD>
		   <TD>char(40)</TD>
		</TR>
		<TR>
		   <TD>dtmaxSize</TD>
		   <TD>Integer</TD>
		</TR>
		
	    </TABLE>
		<BR>
		Our datasource will be named "web" and access is 
		granted to the user "christa" with no password.
    </TD>
</TR>

</table>

</BODY>
</HTML>

haha - 2025