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appendmode.htm	4.1 KB	-rw-r--r--
askingforhelp.htm	5.36 KB	-rw-r--r--
build.htm	4.73 KB	-rw-r--r--
choosingtdsprotocol.htm	6.62 KB	-rw-r--r--
config.htm	17.16 KB	-rw-r--r--
configs.htm	4.9 KB	-rw-r--r--
confirminstall.htm	16.33 KB	-rw-r--r--
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ctlib.api.summary.htm	14.88 KB	-rw-r--r--
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domains.htm	6.22 KB	-rw-r--r--
dsnless.htm	5.96 KB	-rw-r--r--
envvar.htm	6.93 KB	-rw-r--r--
freetdsconf.htm	18.39 KB	-rw-r--r--
freetdshistory.htm	4.45 KB	-rw-r--r--
gfdl-10.htm	3.11 KB	-rw-r--r--
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index.htm	23.65 KB	-rw-r--r--
index.html	23.65 KB	-rw-r--r--
install.htm	5.59 KB	-rw-r--r--
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locales.htm	6.89 KB	-rw-r--r--
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logging.htm	7.35 KB	-rw-r--r--
mailinglist.htm	4.1 KB	-rw-r--r--
name.lookup.htm	4.14 KB	-rw-r--r--
odbc.api.summary.htm	16.65 KB	-rw-r--r--
odbcconnattr.htm	7.31 KB	-rw-r--r--
odbcdiagnose.htm	8.88 KB	-rw-r--r--
odbcinionly.htm	3.47 KB	-rw-r--r--
odbcombo.htm	4.44 KB	-rw-r--r--
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pagenodata.htm	5.88 KB	-rw-r--r--
perl.htm	7.36 KB	-rw-r--r--
php.htm	7.73 KB	-rw-r--r--
portoverride.htm	3.86 KB	-rw-r--r--
prepodbc.htm	9.89 KB	-rw-r--r--
programming.htm	2.76 KB	-rw-r--r--
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serverthere.htm	6.59 KB	-rw-r--r--
software.htm	5.79 KB	-rw-r--r--
stunnel.htm	4.11 KB	-rw-r--r--
sybsql.htm	4.56 KB	-rw-r--r--
tdshistory.htm	5.16 KB	-rw-r--r--
tdspool.htm	7.72 KB	-rw-r--r--
troubleshooting.htm	10.84 KB	-rw-r--r--
unicodefreetds.htm	4.96 KB	-rw-r--r--
unicodegoodbad.htm	4.99 KB	-rw-r--r--
unicode.htm	4.07 KB	-rw-r--r--
unicodeutf.htm	5.32 KB	-rw-r--r--
uodbc.htm	5.7 KB	-rw-r--r--
uothread.htm	3.19 KB	-rw-r--r--
usefreetds.htm	6.26 KB	-rw-r--r--
userguide.css	295 B	-rw-r--r--
what.htm	7.85 KB	-rw-r--r--

Code Editor : dsnless.htm

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<HTML
><HEAD
><TITLE
>DSN-less configuration</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
REL="HOME"
TITLE="FreeTDS User Guide"
HREF="index.htm"><LINK
REL="UP"
TITLE="Preparing ODBC"
HREF="prepodbc.htm"><LINK
REL="PREVIOUS"
TITLE="Connection attributes"
HREF="odbcconnattr.htm"><LINK
REL="NEXT"
TITLE="ODBC-only configuration"
HREF="odbcinionly.htm"><LINK
REL="STYLESHEET"
TYPE="text/css"
HREF="userguide.css"><META
HTTP-EQUIV="Content-Type"
CONTENT="text/html; charset=utf-8"></HEAD
><BODY
CLASS="SECT1"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
><SPAN
CLASS="PRODUCTNAME"
>FreeTDS</SPAN
> User Guide: A Guide to Installing, Configuring, and Running <SPAN
CLASS="PRODUCTNAME"
>FreeTDS</SPAN
></TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="odbcconnattr.htm"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Chapter 4. Preparing ODBC</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="odbcinionly.htm"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="DSNLESS"
>DSN-less configuration</A
></H1
><P
>In a DSN-less configuration, the <TT
CLASS="FILENAME"
>odbc.ini</TT
> file is not consulted for server connection properties.  To connect to a servername, your application may refer to a servername entry in <TT
CLASS="FILENAME"
>freetds.conf</TT
>, or explicitly specify the servername's hostname (bypassing <TT
CLASS="FILENAME"
>freetds.conf</TT
>).
			
			<DIV
CLASS="EXAMPLE"
><A
NAME="E.G.SAMPLEDSNLESS"
></A
><P
><B
>Example 4-1. Sample files for a DSN-less configuration</B
></P
><P
>The <TT
CLASS="FILENAME"
>odbcinst.ini</TT
> is quite brief:</P
><PRE
CLASS="PROGRAMLISTING"
>	;
	; odbcinst.ini
	;
	[FreeTDS]
	Driver = /usr/local/freetds/lib/libtdsodbc.so
	</PRE
><P
>The <TT
CLASS="FILENAME"
>freetds.conf</TT
> might look something like:</P
><PRE
CLASS="PROGRAMLISTING"
>	;
	; freetds.conf
	;
	[JDBC]
	host = jdbc.sybase.com
	port = 4444
	tds version = 5.0
	</PRE
></DIV
>
			
			<DIV
CLASS="EXAMPLE"
><A
NAME="E.G.CONNECTDSNLESS"
></A
><P
><B
>Example 4-2. Connecting with a DSN-less configuration</B
></P
><PRE
CLASS="PROGRAMLISTING"
>	/*
	 * application call
	 */
	const char servername[] = "JDBC"; <A
NAME="AEN1965"
HREF="#FTN.AEN1965"
><SPAN
CLASS="footnote"
>[1]</SPAN
></A
>
	sprintf(tmp, "DRIVER=FreeTDS<A
NAME="AEN1969"
HREF="#FTN.AEN1969"
><SPAN
CLASS="footnote"
>[2]</SPAN
></A
>;SERVERNAME=%s;UID=%s;PWD=%s;DATABASE=%s;",
	servername, username, password, dbname);
	res = SQLDriverConnect(Connection, NULL, (SQLCHAR *) tmp, SQL_NTS,
	(SQLCHAR *) tmp, sizeof(tmp), &amp;len, SQL_DRIVER_NOPROMPT);
	if (!SQL_SUCCEEDED(res)) {
	printf("Unable to open data source (ret=%d)\n", res);
	exit(1);
	}
	</PRE
></DIV
>
			
			You can even establish a connection without reference to either <TT
CLASS="FILENAME"
>odbc.ini</TT
> or <TT
CLASS="FILENAME"
>freetd.conf</TT
>.
			
			<DIV
CLASS="EXAMPLE"
><A
NAME="E.G.CONNECTDSNLESSNOCONF"
></A
><P
><B
>Example 4-3. Connecting with a DSN-less configuration that does not use <TT
CLASS="FILENAME"
>freetds.conf</TT
></B
></P
><PRE
CLASS="PROGRAMLISTING"
>	/*
	 * application call
	 */
	const char servername[] = "jdbc.sybase.com"; <A
NAME="AEN1979"
HREF="#FTN.AEN1979"
><SPAN
CLASS="footnote"
>[3]</SPAN
></A
>
	sprintf(tmp, "DRIVER=FreeTDS<A
NAME="AEN1981"
HREF="#FTN.AEN1981"
><SPAN
CLASS="footnote"
>[4]</SPAN
></A
>;SERVER=%s;UID=%s;PWD=%s;DATABASE=%s;TDS_Version=5.0;Port=4444;",
	servername, username, password, dbname);
	res = SQLDriverConnect(Connection, NULL, (SQLCHAR *) tmp, SQL_NTS,
	(SQLCHAR *) tmp, sizeof(tmp), &amp;len, SQL_DRIVER_NOPROMPT);
	if (!SQL_SUCCEEDED(res)) {
	printf("Unable to open data source (ret=%d)\n", res);
	exit(1);
	}
	</PRE
></DIV
></P
></DIV
><H3
CLASS="FOOTNOTES"
>Notes</H3
><TABLE
BORDER="0"
CLASS="FOOTNOTES"
WIDTH="100%"
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
WIDTH="5%"
><A
NAME="FTN.AEN1965"
HREF="dsnless.htm#AEN1965"
><SPAN
CLASS="footnote"
>[1]</SPAN
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
WIDTH="95%"
><P
>refers to the <TT
CLASS="LITERAL"
>[JDBC]</TT
> entry in <TT
CLASS="FILENAME"
>freetds.conf</TT
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
WIDTH="5%"
><A
NAME="FTN.AEN1969"
HREF="dsnless.htm#AEN1969"
><SPAN
CLASS="footnote"
>[2]</SPAN
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
WIDTH="95%"
><P
>refers to the <TT
CLASS="LITERAL"
>[FreeTDS]</TT
> entry in <TT
CLASS="FILENAME"
>odbcinst.ini</TT
>.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
WIDTH="5%"
><A
NAME="FTN.AEN1979"
HREF="dsnless.htm#AEN1979"
><SPAN
CLASS="footnote"
>[3]</SPAN
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
WIDTH="95%"
><P
>refers to the real server name.</P
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
WIDTH="5%"
><A
NAME="FTN.AEN1981"
HREF="dsnless.htm#AEN1981"
><SPAN
CLASS="footnote"
>[4]</SPAN
></A
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
WIDTH="95%"
><P
>refers to the <TT
CLASS="LITERAL"
>[FreeTDS]</TT
> entry in <TT
CLASS="FILENAME"
>odbcinst.ini</TT
>.</P
></TD
></TR
></TABLE
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="odbcconnattr.htm"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.htm"
ACCESSKEY="H"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="odbcinionly.htm"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Connection attributes</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="prepodbc.htm"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>ODBC-only configuration</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>

${this.title}

Code Editor : dsnless.htm