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HTML
241 lines
11 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<html>
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<head>
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<title>mysql_list_fields</title>
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<link rel="stylesheet" type="text/css" href="../../src/self.css">
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<meta name="description" content="Zeigt die Felder einer Tabelle">
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<meta name="keywords" content="SELFPHP, PHP, MySQL-Funktionen, mysql_list_fields">
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<meta name="author" content="Damir Enseleit, mail@selfphp.info">
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<meta name="DC.Contributer" content="Matthias Hupp, m.hupp@selfphp3.de">
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<meta name="DC.Publisher" content="Damir Enseleit, mail@selfphp.info">
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<meta name="DC.Date" content="2001-08-20T12:18+01:00">
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<meta name="DC.Identifier" content="http://www.selfphp3.de/funktionsreferenz/mysql_funktionen/mysql_list_fields.html">
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<meta name="DC.Language" content="de">
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<meta name="DC.Rights" content="../../editorial/index.html">
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<meta name="SELF.Firstdate" content="2001-08-20T12:18+01:00">
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<meta name="SELF.Version" content="1">
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<meta name="SELF.Pagetype" content="Information">
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<meta name="SELF.Path" content="SELFPHP == ../../index.php // Funktionsreferenz == ../index.php // MySQL-Funktionen == index.html">
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</head>
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<body bgcolor="#FFFFFF" text="#000000" link="#AA5522" vlink="#772200" alink="#000000">
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<table cellpadding="4" cellspacing="0" border="0" width="100%">
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<tr>
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<td bgcolor="#FFEEDD" class="nav"><a class="an" name="top"><img src="../../src/refkap.gif" width="16" height="13" border="0" alt="Teil von"></a> <a href="../../index.html"><b>SELFPHP</b></a>/<a href="../../navigation/index.html">Navigationshilfen</a> <img src="../../src/refkap.gif" width="16" height="13" border="0" alt="Teil von"> <a href="../index.html"><b>Funktionsreferenz</b></a> <img src="../../src/refkap.gif" width="16" height="13" border="0" alt="Teil von"> <a href="index.html"><b>MySQL-Funktionen</b></a></td>
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</tr>
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</table>
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<table cellpadding="4" cellspacing="0" border="0" width="100%">
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<tr>
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<td bgcolor="#EEEEEE" class="doc" width="110"><img src="../../src/logo.gif" width="106" height="109" border="0" alt="SEL.html"></td>
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<td bgcolor="#EEEEEE" class="doc" valign="bottom" width="100%">
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<h2>mysql_list_fields</h2></td>
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</tr>
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<tr>
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<td bgcolor="#EEEEEE" class="doc" valign="top" align="center"> <img src="../../src/dokx.gif" width="30" height="20" vspace="6" border="0" alt="Informationsseite">
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</td>
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<td bgcolor="#FFFFFF" valign="top" nowrap colspan="2">
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<p> <img src="../../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#befehl"><b>Befehl</b></a><br>
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<img src="../../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#version"><b>Version</b></a><br>
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<img src="../../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#beschreibung"><b>Beschreibung</b></a><br>
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<img src="../../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#beispiel"><b>Beispiel</b></a><br>
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<img src="../../src/down.gif" width="14" height="10" border="0" alt="nach unten"> <a href="#ausgabe"><b>Ausgabe</b></a><br>
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</p>
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</td>
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</tr>
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<tr>
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<td colspan=3 bgcolor="#EEEEEE" class="doc"><a href="#bottom"><img src="../../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> </td>
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</tr>
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</table>
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<h2 class="Sh2"><a class="an" name="befehl">Befehl</a></h2>
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<table width="100%" cellpadding=10>
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<tr>
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<td class="xmpcode" bgcolor="#E4EEFF">
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<p>int <b>mysql_list_fields</b>(string Datenbankname, string Tabellenname
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[, int Verbindungs-Kennung])</p>
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</td>
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</tr></table>
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<p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table>
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<h2 class="Sh2"><a class="an" name="version">Version</a></h2>
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<table width="100%" cellpadding=10 height="32">
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<tr>
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<td class="xmpcode" bgcolor="#E4EEFF" height="20">
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<p>PHP 3, PHP 4 >= 4.0b1</p>
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</td>
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</tr></table>
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<p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table>
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<h2 class="Sh2"><a class="an" name="beschreibung">Beschreibung</a></h2>
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<table width="100%" cellpadding=10 height="399">
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<tr>
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<td class="xmpcode" bgcolor="#E4EEFF">
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<p>Mit mysql_list_fields() kann man sich anhand einer Verbindungskennung<br>
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(Verbindungs-Kennung), des Datenbanknamens (Datenbankname) und des<br>
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Tabellennames (Tabellenname) alle Felder einer Tabelle auflisten lassen.
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Als<br>
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Rückgabewert dieser Funktion erhalten Sie einen ganzzahlig positiven
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Wert als<br>
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Ergebnis-Kennung, welche Sie für andere Funktionen wie z.B.<br>
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mysql_field_name() nutzen können.<br>
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Falls der Wert für die Verbindungskennung (Verbindungs-Kennung) fehlt,
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so<br>
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wird auf die aktuelle Verbindung zurückgegriffen.<br>
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Auf mögliche Fehlermeldungen können Sie nur direkt zugreifen,
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wenn Sie der<br>
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Funktion ein "@" voranstellen, sonst wird die Fehlermeldung
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in die Variable<br>
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"$phperrmsg" geschrieben.</p>
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<p>Mit folgenden Funktionen können Sie auf die Ergebnis-Kennung zurückgreifen:</p>
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<ul>
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<li><a href="mysql_field_flags.html">mysql_field_flags()</a></li>
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<li><a href="mysql_field_len.html">mysql_field_len()</a></li>
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<li><a href="mysql_field_name.html">mysql_field_name()</a></li>
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<li><a href="mysql_field_type.html">mysql_field_type()</a></li>
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</ul>
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<p>Abwärtskompatible Funktionen:</p>
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<ul>
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<li>mysql_listfields()</li>
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</ul>
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</td>
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</tr></table>
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<p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table>
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<h2 class="Sh2"><a class="an" name="beispiel">Beispiel</a></h2>
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<table width="100%" cellpadding=10 height="66">
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<tr>
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<td class="xmpcode" bgcolor="#E4EEFF">
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<p>/*<b><br>
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</b><b>Datenbank:</b> </p>
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<table border="0" bgcolor=A6A6A6>
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<tr>
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<td align=center><b>Field</b></td>
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<td align=center><b>Type</b></td>
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<td align=center><b>Null</b></td>
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<td align=center><b>Default</b></td>
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<td align=center><b>Extra</b></td>
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</tr>
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<tr bgcolor=DDDDDD>
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<td>id</td>
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<td>int(4)</td>
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<td>No</td>
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<td>0</td>
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<td>auto_increment</td>
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</tr>
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<tr bgcolor=CCCCCC>
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<td>gruppe</td>
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<td>varchar(50)</td>
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<td>Yes</td>
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<td></td>
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<td></td>
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</tr>
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<tr bgcolor=DDDDDD>
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<td>befehl</td>
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<td>varchar(51)</td>
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<td>Yes</td>
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<td></td>
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<td></td>
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</tr>
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<tr bgcolor=CCCCCC>
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<td>version</td>
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<td>varchar(52)</td>
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<td>Yes</td>
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<td></td>
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<td></td>
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</tr>
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</table>
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<p>*/</p>
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<pre><?PHP
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/* Datenbankserver - In der Regel die IP */<br> $db_server = "localhost";</pre>
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<pre>/* Datenbankname */
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$db_name = "selfphp";</pre>
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<pre>/* Datenbankuser */
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$db_user = "root";</pre>
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<pre>/* Datenbankpasswort */
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$db_passwort = "mega";
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/* Erstellt Connect zu Datenbank her */<br> $db = @MYSQL_CONNECT($db_server,$db_user,$db_passwort);<br> $result = mysql_list_fields($db_name, "selfphp_funktionen",$db);<br> $menge = mysql_num_fields($result);<br> for($x=0;$x<$menge;$x++){<br> $type = mysql_field_type($result,$x);<br> $name = mysql_field_name($result,$x); <br> $len = mysql_field_len($result,$x); <br> $flags = mysql_field_flags($result,$x); <br> echo "Feld <b>$name</b>:<br>";<br> echo "&nbsp;&nbsp;&nbsp;$type [$len]";<br> echo "$flags<BR>";<br> }<br>?></pre>
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</td>
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</tr></table>
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<p> </p>
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<table bgcolor="#EEEEEE" class="doc" width="100%"><tr><td>
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<a href="#top"><img src="../../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a><a href="#bottom"><img src="../../src/down.gif" width="14" height="10" border="0" alt="nach unten"></a> 
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</td></tr></table>
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<h2 class="Sh2"><a class="an" name="ausgabe">Ausgabe</a></h2>
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<table width="100%" cellpadding=10 height="45">
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<tr>
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<td class="xmpcode" bgcolor="#E4EEFF" height="57">
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<p>Feld <b>id</b>:<br>
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int [4] not_null primary_key auto_increment<br>
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Feld <b>gruppe</b>:<br>
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string [50] <br>
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Feld <b>befehl</b>:<br>
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string [51] <br>
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Feld <b>version</b>:<br>
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string [52]</p>
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<p></p>
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</td>
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</tr></table>
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<p> </p>
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<table cellpadding="4" cellspacing="0" border="0" width="100%">
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<tr><td colspan=2 bgcolor="#EEEEEE" class="doc">
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<a href="#top"><img src="../../src/up.gif" width="14" height="10" border="0" alt="nach oben"></a>
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</td></tr>
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<tr>
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<td bgcolor="#EEEEEE" class="doc" align="right" width="110">weiter:<a href="mysql_list_tables.html"><img src="../../src/next.gif" width="10" height="10" border="0" hspace="10" alt="weiter"></a></td>
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<td bgcolor="#FFFFFF"><img src="../../src/dok.gif" width="15" height="10" border="0" alt="Seite">
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<a href="mysql_list_tables.html"><b>mysql_list_tables</b></a> </td>
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</tr>
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<tr>
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<td bgcolor="#EEEEEE" class="doc" align="right" width="110">zurück:<a href="mysql_list_dbs.html"><img src="../../src/prev.gif" width="10" height="10" border="0" hspace="10" alt="zurück"></a></td>
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<td bgcolor="#FFFFFF" width="100%"><img src="../../src/dok.gif" width="15" height="10" border="0" alt="Seite">
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<a href="mysql_list_dbs.html"><b>mysql_list_dbs</b></a> </td>
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</tr>
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<tr><td colspan=2 bgcolor="#EEEEEE" class="doc"> </td></tr>
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</table><table cellpadding="4" cellspacing="0" border="0" width="100%">
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<tr>
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<td bgcolor="#FFEEDD" class="nav"><a class="an" name="bottom"><img src="../../src/refkap.gif" width="16" height="13" border="0" alt="Teil von"></a>
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<a href="../../index.html"><b>SELFPHP</b></a>/<a href="../../navigation/index.html">Navigationshilfen</a> <img src="../../src/refkap.gif" width="16" height="13" border="0" alt="Teil von">
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<a href="../index.html"><b>Funktionsreferenz</b></a> <img src="../../src/refkap.gif" width="16" height="13" border="0" alt="Teil von">
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<a href="index.html"><b>MySQL-Funktionen</b></a></td>
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</tr>
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</table>
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<p><a class="an" name="bottom">© 2001, 2002, 2003</A> <img src="../../src/mail.gif" width="15" height="10" border="0" alt="E-Mail"> <a href="mailto:mail@selfphp.info">Damir Enseleit, mail@selfphp.info</a></p>
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</body>
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</html>
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