<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[newbie frage zu MySQL]]></title><description><![CDATA[<p>hallo,<br />
Zuerst mal: ich bin mir nicht sicher ob die frage hierhin gehört... <img
      src="https://www.c-plusplus.net/forum/plugins/nodebb-plugin-emoji/emoji/emoji-one/1f644.png?v=ab1pehoraso"
      class="not-responsive emoji emoji-emoji-one emoji--face_with_rolling_eyes"
      title=":rolling_eyes:"
      alt="🙄"
    /></p>
<p>Ich teste gerade das Tutorial auf<br />
<a href="http://www.mysql.de/documentation/mysql++/4_Tutorial.html" rel="nofollow">http://www.mysql.de/documentation/mysql++/4_Tutorial.html</a></p>
<p>ich habe den code auf meine db angepasst, sieht jetzt so aus:</p>
<pre><code class="language-cpp">#include &lt;iostream&gt;
#include &lt;iomanip&gt;
#include &lt;mysql++&gt;

int main() {
  // The full format for the Connection constructor is
  // Connection(cchar *db, cchar *host=&quot;&quot;, 
  //            cchar *user=&quot;&quot;, cchar *passwd=&quot;&quot;) 
  // You may need to specify some of them if the database is not on
  // the local machine or you database username is not the same as your
  // login name, etc..
  try {

		Connection(&quot;test&quot;,&quot;localhost&quot;,&quot;root&quot;,&quot;&quot;); 

		Connection con(&quot;test5&quot;);
		Query query = con.query();
		// This creates a query object that is bound to con.

		query &lt;&lt; &quot;select * from stock&quot;;
		// You can write to the query object like you would any other ostrem

		Result res = query.store();
		// Query::store() executes the query and returns the results

		cout &lt;&lt; &quot;Query: &quot; &lt;&lt; query.preview() &lt;&lt; endl;
		// Query::preview() simply returns a string with the current query
		// string in it.

		cout &lt;&lt; &quot;Records Found: &quot; &lt;&lt; res.size() &lt;&lt; endl &lt;&lt; endl;

		Row row;
		cout.setf(ios::left);
		cout &lt;&lt; setw(17) &lt;&lt; &quot;Item&quot; 
			&lt;&lt; setw(4)  &lt;&lt; &quot;Num&quot;
			&lt;&lt; setw(7)  &lt;&lt; &quot;Weight&quot;
			&lt;&lt; setw(7)  &lt;&lt; &quot;Price&quot; 
			&lt;&lt; &quot;Date&quot; &lt;&lt; endl
			&lt;&lt; endl;

		Result::iterator i;
		// The Result class has a read-only Random Access Iterator
		for (i = res.begin(); i != res.end(); i++) {
			row = *i;
			cout &lt;&lt; setw(17) &lt;&lt; row[0] 
				&lt;&lt; setw(4)  &lt;&lt; row[1] 
				&lt;&lt; setw(7)  &lt;&lt; row[&quot;weight&quot;]
				// you can use either the index number or column name when
				// retrieving the colume data as demonstrated above.
				&lt;&lt; setw(7)  &lt;&lt; row[3]
				&lt;&lt; row[4] &lt;&lt; endl;
		}
  } catch (BadQuery er){ // handle any connection 
                         // or query errors that may come up
    cerr &lt;&lt; &quot;Error: &quot; &lt;&lt; er.error &lt;&lt;  endl;
    return -1;

  } catch (BadConversion er) {
    // we still need to cache bad conversions incase something goes 
    // wrong when the data is converted into stock
    cerr &lt;&lt; &quot;Error: Tried to convert \&quot;&quot; &lt;&lt; er.data &lt;&lt; &quot;\&quot; to a \&quot;&quot;
	 &lt;&lt; er.type_name &lt;&lt; &quot;\&quot;.&quot; &lt;&lt; endl;
    return -1;
  }
	return 0;
}
</code></pre>
<p>Ich versuche also ne verbindung zu meiner mysql db aufzubauen, bin aber irgendwie zu blöd...</p>
<p>Ausgabe der Dos shell:<br />
Error: Unknown Database 'test5'</p>
<p>Übergebe ich die Parameter falsch?<br />
<img
      src="https://www.c-plusplus.net/forum/plugins/nodebb-plugin-emoji/emoji/emoji-one/1f61e.png?v=ab1pehoraso"
      class="not-responsive emoji emoji-emoji-one emoji--disappointed_face"
      title=":("
      alt="😞"
    /></p>
<p>Meine Daten:</p>
<p>User: root<br />
Passwort: &quot;&quot; (keines)<br />
Datenbank: test<br />
Table: test5</p>
<p>Danke!</p>
<p>_Rainer__</p>
]]></description><link>https://www.c-plusplus.net/forum/topic/62831/newbie-frage-zu-mysql</link><generator>RSS for Node</generator><lastBuildDate>Thu, 04 Jun 2026 05:08:30 GMT</lastBuildDate><atom:link href="https://www.c-plusplus.net/forum/topic/62831.rss" rel="self" type="application/rss+xml"/><pubDate>Tue, 27 Jan 2004 12:48:43 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to newbie frage zu MySQL on Tue, 27 Jan 2004 12:48:43 GMT]]></title><description><![CDATA[<p>hallo,<br />
Zuerst mal: ich bin mir nicht sicher ob die frage hierhin gehört... <img
      src="https://www.c-plusplus.net/forum/plugins/nodebb-plugin-emoji/emoji/emoji-one/1f644.png?v=ab1pehoraso"
      class="not-responsive emoji emoji-emoji-one emoji--face_with_rolling_eyes"
      title=":rolling_eyes:"
      alt="🙄"
    /></p>
<p>Ich teste gerade das Tutorial auf<br />
<a href="http://www.mysql.de/documentation/mysql++/4_Tutorial.html" rel="nofollow">http://www.mysql.de/documentation/mysql++/4_Tutorial.html</a></p>
<p>ich habe den code auf meine db angepasst, sieht jetzt so aus:</p>
<pre><code class="language-cpp">#include &lt;iostream&gt;
#include &lt;iomanip&gt;
#include &lt;mysql++&gt;

int main() {
  // The full format for the Connection constructor is
  // Connection(cchar *db, cchar *host=&quot;&quot;, 
  //            cchar *user=&quot;&quot;, cchar *passwd=&quot;&quot;) 
  // You may need to specify some of them if the database is not on
  // the local machine or you database username is not the same as your
  // login name, etc..
  try {

		Connection(&quot;test&quot;,&quot;localhost&quot;,&quot;root&quot;,&quot;&quot;); 

		Connection con(&quot;test5&quot;);
		Query query = con.query();
		// This creates a query object that is bound to con.

		query &lt;&lt; &quot;select * from stock&quot;;
		// You can write to the query object like you would any other ostrem

		Result res = query.store();
		// Query::store() executes the query and returns the results

		cout &lt;&lt; &quot;Query: &quot; &lt;&lt; query.preview() &lt;&lt; endl;
		// Query::preview() simply returns a string with the current query
		// string in it.

		cout &lt;&lt; &quot;Records Found: &quot; &lt;&lt; res.size() &lt;&lt; endl &lt;&lt; endl;

		Row row;
		cout.setf(ios::left);
		cout &lt;&lt; setw(17) &lt;&lt; &quot;Item&quot; 
			&lt;&lt; setw(4)  &lt;&lt; &quot;Num&quot;
			&lt;&lt; setw(7)  &lt;&lt; &quot;Weight&quot;
			&lt;&lt; setw(7)  &lt;&lt; &quot;Price&quot; 
			&lt;&lt; &quot;Date&quot; &lt;&lt; endl
			&lt;&lt; endl;

		Result::iterator i;
		// The Result class has a read-only Random Access Iterator
		for (i = res.begin(); i != res.end(); i++) {
			row = *i;
			cout &lt;&lt; setw(17) &lt;&lt; row[0] 
				&lt;&lt; setw(4)  &lt;&lt; row[1] 
				&lt;&lt; setw(7)  &lt;&lt; row[&quot;weight&quot;]
				// you can use either the index number or column name when
				// retrieving the colume data as demonstrated above.
				&lt;&lt; setw(7)  &lt;&lt; row[3]
				&lt;&lt; row[4] &lt;&lt; endl;
		}
  } catch (BadQuery er){ // handle any connection 
                         // or query errors that may come up
    cerr &lt;&lt; &quot;Error: &quot; &lt;&lt; er.error &lt;&lt;  endl;
    return -1;

  } catch (BadConversion er) {
    // we still need to cache bad conversions incase something goes 
    // wrong when the data is converted into stock
    cerr &lt;&lt; &quot;Error: Tried to convert \&quot;&quot; &lt;&lt; er.data &lt;&lt; &quot;\&quot; to a \&quot;&quot;
	 &lt;&lt; er.type_name &lt;&lt; &quot;\&quot;.&quot; &lt;&lt; endl;
    return -1;
  }
	return 0;
}
</code></pre>
<p>Ich versuche also ne verbindung zu meiner mysql db aufzubauen, bin aber irgendwie zu blöd...</p>
<p>Ausgabe der Dos shell:<br />
Error: Unknown Database 'test5'</p>
<p>Übergebe ich die Parameter falsch?<br />
<img
      src="https://www.c-plusplus.net/forum/plugins/nodebb-plugin-emoji/emoji/emoji-one/1f61e.png?v=ab1pehoraso"
      class="not-responsive emoji emoji-emoji-one emoji--disappointed_face"
      title=":("
      alt="😞"
    /></p>
<p>Meine Daten:</p>
<p>User: root<br />
Passwort: &quot;&quot; (keines)<br />
Datenbank: test<br />
Table: test5</p>
<p>Danke!</p>
<p>_Rainer__</p>
]]></description><link>https://www.c-plusplus.net/forum/post/445153</link><guid isPermaLink="true">https://www.c-plusplus.net/forum/post/445153</guid><dc:creator><![CDATA[_Rainer__]]></dc:creator><pubDate>Tue, 27 Jan 2004 12:48:43 GMT</pubDate></item><item><title><![CDATA[Reply to newbie frage zu MySQL on Tue, 27 Jan 2004 13:26:07 GMT]]></title><description><![CDATA[<p>Hi</p>
<p><em>Rainer</em>_ schrieb:</p>
<blockquote>
<p>ich bin mir nicht sicher ob die frage hierhin gehört...</p>
</blockquote>
<p>Gehört nicht hier rein <img
      src="https://www.c-plusplus.net/forum/plugins/nodebb-plugin-emoji/emoji/emoji-one/1f609.png?v=ab1pehoraso"
      class="not-responsive emoji emoji-emoji-one emoji--winking_face"
      title=";)"
      alt="😉"
    /> , aber egal</p>
<p>[quote=&quot;_Rainer__&quot;]Ausgabe der Dos shell:<br />
Error: Unknown Database 'test5'<br />
Du wiedersprichst dir doch selber.</p>
<p><em>Rainer</em>_ schrieb:</p>
<blockquote>
<p>Datenbank: test<br />
Table: test5</p>
</blockquote>
<p>Du hast doch die Datenbank &quot;test&quot; und versuchst laut Fehlermeldung auf die Datenbank &quot;test5&quot; zuzugreifen <img
      src="https://www.c-plusplus.net/forum/plugins/nodebb-plugin-emoji/emoji/emoji-one/1f609.png?v=ab1pehoraso"
      class="not-responsive emoji emoji-emoji-one emoji--winking_face"
      title=";)"
      alt="😉"
    /></p>
<p>Grüße Rapha</p>
]]></description><link>https://www.c-plusplus.net/forum/post/445196</link><guid isPermaLink="true">https://www.c-plusplus.net/forum/post/445196</guid><dc:creator><![CDATA[Rapha]]></dc:creator><pubDate>Tue, 27 Jan 2004 13:26:07 GMT</pubDate></item><item><title><![CDATA[Reply to newbie frage zu MySQL on Tue, 27 Jan 2004 13:41:13 GMT]]></title><description><![CDATA[<p>Hmm ja ich weiss....ich habs auch schon andersrum ausprobiert</p>
<p>Aber wenn es so mache</p>
<pre><code class="language-cpp">Connection con(&quot;test&quot;);
</code></pre>
<p>Gibt die Shell folgendes aus:<br />
Error: Table 'test.stock' doesn't exist</p>
<p>Also muss man als Parameter doch die Table angeben <img
      src="https://www.c-plusplus.net/forum/plugins/nodebb-plugin-emoji/emoji/emoji-one/1f615.png?v=ab1pehoraso"
      class="not-responsive emoji emoji-emoji-one emoji--confused_face"
      title=":confused:"
      alt="😕"
    /></p>
]]></description><link>https://www.c-plusplus.net/forum/post/445215</link><guid isPermaLink="true">https://www.c-plusplus.net/forum/post/445215</guid><dc:creator><![CDATA[_Rainer__]]></dc:creator><pubDate>Tue, 27 Jan 2004 13:41:13 GMT</pubDate></item><item><title><![CDATA[Reply to newbie frage zu MySQL on Tue, 27 Jan 2004 14:01:20 GMT]]></title><description><![CDATA[<p>Neeeee, guck mal die Zeile an:</p>
<pre><code class="language-cpp">query &lt;&lt; &quot;select * from stock&quot;;
</code></pre>
<p>Der kennt die Tabelle stock nicht. Da musst du weitersuchen!</p>
<p><img
      src="https://www.c-plusplus.net/forum/plugins/nodebb-plugin-emoji/emoji/emoji-one/1f642.png?v=ab1pehoraso"
      class="not-responsive emoji emoji-emoji-one emoji--slightly_smiling_face"
      title=":)"
      alt="🙂"
    /></p>
]]></description><link>https://www.c-plusplus.net/forum/post/445236</link><guid isPermaLink="true">https://www.c-plusplus.net/forum/post/445236</guid><dc:creator><![CDATA[estartu]]></dc:creator><pubDate>Tue, 27 Jan 2004 14:01:20 GMT</pubDate></item><item><title><![CDATA[Reply to newbie frage zu MySQL on Tue, 27 Jan 2004 14:21:50 GMT]]></title><description><![CDATA[<p>Ahhhhh <img
      src="https://www.c-plusplus.net/forum/plugins/nodebb-plugin-emoji/emoji/emoji-one/1f642.png?v=ab1pehoraso"
      class="not-responsive emoji emoji-emoji-one emoji--slightly_smiling_face"
      title=":)"
      alt="🙂"
    /></p>
<p>thx!<br />
so was dummes... hätte ichs von hand abgetippt wär sowas net passiert <img
      src="https://www.c-plusplus.net/forum/plugins/nodebb-plugin-emoji/emoji/emoji-one/1f609.png?v=ab1pehoraso"
      class="not-responsive emoji emoji-emoji-one emoji--winking_face"
      title=";)"
      alt="😉"
    /></p>
]]></description><link>https://www.c-plusplus.net/forum/post/445264</link><guid isPermaLink="true">https://www.c-plusplus.net/forum/post/445264</guid><dc:creator><![CDATA[_Rainer__]]></dc:creator><pubDate>Tue, 27 Jan 2004 14:21:50 GMT</pubDate></item></channel></rss>