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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%"> </TD> <TD width="73%">I assume that you have</TD> </TR> <TR> <TD colspan="2"> </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%"> </TD> <TD>If gcc is installed type:</TD> </TR> <TR> <TD colspan="2"> </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"> </TD> <TD>Our database will have a single table:</TD> </TR> <TR> <TD colspan="2"> </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>