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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_10) on Fri Jan 26 16:34:49 NZDT 2007 --><TITLE>DatabaseConnection</TITLE><META NAME="keywords" CONTENT="weka.core.converters.DatabaseConnection class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="DatabaseConnection";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD 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CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#fields_inherited_from_class_weka.experiment.DatabaseUtils">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">weka.core.converters</FONT><BR>Class DatabaseConnection</H2><PRE>java.lang.Object <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../weka/experiment/DatabaseUtils.html" title="class in weka.experiment">weka.experiment.DatabaseUtils</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>weka.core.converters.DatabaseConnection</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable</DD></DL><HR><DL><DT><PRE>public class <B>DatabaseConnection</B><DT>extends <A HREF="../../../weka/experiment/DatabaseUtils.html" title="class in weka.experiment">DatabaseUtils</A></DL></PRE><P>Connects to a database.<P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.5 $</DD><DT><B>Author:</B></DT> <DD>Len Trigg (trigg@cs.waikato.ac.nz), Stefan Mutter (mutter@cs.waikato.ac.nz)</DD><DT><B>See Also:</B><DD><A HREF="../../../serialized-form.html#weka.core.converters.DatabaseConnection">Serialized Form</A></DL><HR><P><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Field Summary</B></FONT></TH></TR></TABLE> <A NAME="fields_inherited_from_class_weka.experiment.DatabaseUtils"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Fields inherited from class weka.experiment.<A HREF="../../../weka/experiment/DatabaseUtils.html" title="class in weka.experiment">DatabaseUtils</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../weka/experiment/DatabaseUtils.html#BOOL">BOOL</A>, <A HREF="../../../weka/experiment/DatabaseUtils.html#BYTE">BYTE</A>, <A HREF="../../../weka/experiment/DatabaseUtils.html#DATE">DATE</A>, <A HREF="../../../weka/experiment/DatabaseUtils.html#DOUBLE">DOUBLE</A>, <A HREF="../../../weka/experiment/DatabaseUtils.html#EXP_INDEX_TABLE">EXP_INDEX_TABLE</A>, <A HREF="../../../weka/experiment/DatabaseUtils.html#EXP_RESULT_COL">EXP_RESULT_COL</A>, <A HREF="../../../weka/experiment/DatabaseUtils.html#EXP_RESULT_PREFIX">EXP_RESULT_PREFIX</A>, <A HREF="../../../weka/experiment/DatabaseUtils.html#EXP_SETUP_COL">EXP_SETUP_COL</A>, <A HREF="../../../weka/experiment/DatabaseUtils.html#EXP_TYPE_COL">EXP_TYPE_COL</A>, <A HREF="../../../weka/experiment/DatabaseUtils.html#FLOAT">FLOAT</A>, <A HREF="../../../weka/experiment/DatabaseUtils.html#INTEGER">INTEGER</A>, <A HREF="../../../weka/experiment/DatabaseUtils.html#LONG">LONG</A>, <A HREF="../../../weka/experiment/DatabaseUtils.html#PROPERTY_FILE">PROPERTY_FILE</A>, <A HREF="../../../weka/experiment/DatabaseUtils.html#SHORT">SHORT</A>, <A HREF="../../../weka/experiment/DatabaseUtils.html#STRING">STRING</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../weka/core/converters/DatabaseConnection.html#DatabaseConnection()">DatabaseConnection</A></B>()</CODE><BR> Sets up the database drivers</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.sql.DatabaseMetaData</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/core/converters/DatabaseConnection.html#getMetaData()">getMetaData</A></B>()</CODE><BR> Gets meta data for the database connection object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/core/converters/DatabaseConnection.html#getUpdateCount()">getUpdateCount</A></B>()</CODE><BR> Dewtermines if the current query retrieves a result set or updates a table</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor">⌨️ 快捷键说明
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