Gecko [ www.utparral.edu.mx ]

Name	Size	Permission
about.htm	5.13 KB	-rw-r--r--
aboutunicode.htm	6.69 KB	-rw-r--r--
acknowledgments.htm	4.39 KB	-rw-r--r--
advocacy.htm	3.67 KB	-rw-r--r--
ambition.htm	3.52 KB	-rw-r--r--
apireference.htm	4.71 KB	-rw-r--r--
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--
contrib.htm	5.98 KB	-rw-r--r--
contributors.htm	2.47 KB	-rw-r--r--
ctlib.api.summary.htm	14.88 KB	-rw-r--r--
dblib.api.summary.htm	28.32 KB	-rw-r--r--
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--
gfdl-11.htm	3.32 KB	-rw-r--r--
gfdl-1.htm	5.42 KB	-rw-r--r--
gfdl-2.htm	2.9 KB	-rw-r--r--
gfdl-3.htm	4.18 KB	-rw-r--r--
gfdl-4.htm	7.25 KB	-rw-r--r--
gfdl-5.htm	3.37 KB	-rw-r--r--
gfdl-6.htm	2.83 KB	-rw-r--r--
gfdl-7.htm	3.07 KB	-rw-r--r--
gfdl-8.htm	2.8 KB	-rw-r--r--
gfdl-9.htm	2.6 KB	-rw-r--r--
gfdl.htm	4.46 KB	-rw-r--r--
help.htm	5.31 KB	-rw-r--r--
index.htm	23.65 KB	-rw-r--r--
index.html	23.65 KB	-rw-r--r--
install.htm	5.59 KB	-rw-r--r--
interfacesfile.htm	3.64 KB	-rw-r--r--
interfacesformat.htm	4.71 KB	-rw-r--r--
interfaceslocation.htm	2.45 KB	-rw-r--r--
interfacespurpose.htm	4.83 KB	-rw-r--r--
iso8859.htm	5.31 KB	-rw-r--r--
isolatecause.htm	4.39 KB	-rw-r--r--
kerberos.htm	3.92 KB	-rw-r--r--
light.taper.htm	3.03 KB	-rw-r--r--
linker.conclusion.htm	2.75 KB	-rw-r--r--
linker.how.htm	13.61 KB	-rw-r--r--
linker.library.check.htm	5.31 KB	-rw-r--r--
locales.htm	6.89 KB	-rw-r--r--
localization.htm	11.32 KB	-rw-r--r--
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--
osissues.htm	10.13 KB	-rw-r--r--
packages.htm	4.43 KB	-rw-r--r--
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--
projects.htm	11.26 KB	-rw-r--r--
python.htm	4.01 KB	-rw-r--r--
qt.htm	2.69 KB	-rw-r--r--
rtl.define.library.htm	8.43 KB	-rw-r--r--
rtl.htm	7.22 KB	-rw-r--r--
samplecode.htm	48.19 KB	-rw-r--r--
seemtooslow.htm	4.72 KB	-rw-r--r--
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 : unicodefreetds.htm

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<HTML
><HEAD
><TITLE
>Unicode and FreeTDS</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="About Unicode, UCS-2, and UTF-8"
HREF="aboutunicode.htm"><LINK
REL="PREVIOUS"
TITLE="Unicode Transformation Format: UTF-8"
HREF="unicodeutf.htm"><LINK
REL="NEXT"
TITLE="GNU Free Documentation License"
HREF="gfdl.htm"><LINK
REL="STYLESHEET"
TYPE="text/css"
HREF="userguide.css"><META
HTTP-EQUIV="Content-Type"
CONTENT="text/html; charset=utf-8"></HEAD
><BODY
CLASS="SECTION"
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="unicodeutf.htm"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
>Appendix C. About Unicode, UCS-2, and UTF-8</TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="gfdl.htm"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECTION"
><H1
CLASS="SECTION"
><A
NAME="UNICODEFREETDS"
>Unicode and FreeTDS</A
></H1
><P
>Microsoft servers using TDS 7.0 and above (anything since SQL Server 6.5) transmit their data in UCS-2 format (16-bit integers).  Because most applications linked to <SPAN
CLASS="PRODUCTNAME"
>FreeTDS</SPAN
> are not prepared to deal with UCS-2 data, <SPAN
CLASS="PRODUCTNAME"
>FreeTDS</SPAN
> can convert the data to something more acceptable, including <ACRONYM
CLASS="ACRONYM"
>ASCII</ACRONYM
>.  To do so, it employs an  <SPAN
CLASS="PRODUCTNAME"
>iconv</SPAN
>  library.  <SPAN
CLASS="PRODUCTNAME"
>FreeTDS</SPAN
> determines the server's encoding from the TDS protocol and information reported by the server (generally per connection, but in the case of TDS 7.1, per result set column).  It discovers the client's encoding in <TT
CLASS="FILENAME"
>freetds.conf</TT
>.  <SPAN
CLASS="PRODUCTNAME"
>FreeTDS</SPAN
> will happily convert and convey your data in any <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>single-byte</I
></SPAN
> format that <SPAN
CLASS="PRODUCTNAME"
>iconv</SPAN
> can provide.  In practice, this normally means some form of ISO 8859-x or UTF-8.</P
><P
>At some future time, <SPAN
CLASS="PRODUCTNAME"
>FreeTDS</SPAN
> aims to support Unicode and other multi-byte character sets.  It does not do so at the current time.</P
><P
>Sybase servers, by the way, adhere to a <SPAN
CLASS="QUOTE"
>"server makes right"</SPAN
> policy: they transmit their data in whatever character set the client requested at login time.  The list of available character sets is fairly short, but includes UTF-8.  While  <SPAN
CLASS="PRODUCTNAME"
>FreeTDS</SPAN
> <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>could</I
></SPAN
> convert Sybase data streams as easily as it does Microsoft data streams, to our knowledge no one is doing so.  The Sybase server can perform the conversion itself, making <SPAN
CLASS="PRODUCTNAME"
>FreeTDS</SPAN
>'s capability in this regard largely redundant and irrelevant.</P
><DIV
CLASS="SECTION"
><H2
CLASS="SECTION"
><A
NAME="MOREINFO"
>For further information</A
></H2
><P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><A
HREF="http://www.cl.cam.ac.uk/~mgk25/unicode.html"
TARGET="_top"
>UTF-8 and Unicode FAQ for Unix/Linux</A
>, by Markus Kuhn.  As the man says, very comprehensive.  	</TD
></TR
><TR
><TD
><A
HREF="http://www.wps.com/projects/codes/"
TARGET="_top"
>ASCII: American Standard Code for Information Infiltration</A
>, by Tom Jennings.  Everything you ever wanted know about ASCII, but didn't know whom to ask.    </TD
></TR
><TR
><TD
><A
HREF="http://tronweb.super-nova.co.jp/characcodehist.html"
TARGET="_top"
>A Brief History of Character Codes</A
>, by Steven J. Searle.  Includes useful references.  </TD
></TR
><TR
><TD
><A
HREF="http://www.unicode.org/"
TARGET="_top"
>Unicode Home Page</A
>.  </TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><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="unicodeutf.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="gfdl.htm"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Unicode Transformation Format: UTF-8</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="aboutunicode.htm"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>GNU Free Documentation License</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>

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Code Editor : unicodefreetds.htm