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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.8 $ -->
<refentry id="function.sqlite-exec">
<refnamediv>
<refname>sqlite_exec</refname>
<refname>SQLiteDatabase->exec</refname>
<refpurpose>Executes a result-less query against a given database</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>sqlite_exec</methodname>
<methodparam><type>resource</type><parameter>dbhandle</parameter></methodparam>
<methodparam><type>string</type><parameter>query</parameter></methodparam>
</methodsynopsis>
<methodsynopsis>
<type>bool</type><methodname>sqlite_exec</methodname>
<methodparam><type>string</type><parameter>query</parameter></methodparam>
<methodparam><type>resource</type><parameter>dbhandle</parameter></methodparam>
</methodsynopsis>
<para>Object oriented style (method):</para>
<classsynopsis>
<ooclass><classname>SQLiteDatabase</classname></ooclass>
<methodsynopsis>
<type>bool</type><methodname>exec</methodname>
<methodparam><type>string</type><parameter>query</parameter></methodparam>
</methodsynopsis>
</classsynopsis>
<para>
Executes an SQL statement given by the <parameter>query</parameter> against
a given database handle (specified by the <parameter>dbhandle</parameter>
parameter).
</para>
<warning>
<simpara>
SQLite <emphasis>will</emphasis> execute multiple queries separated by
semicolons, so you can use it to execute a batch of SQL that you have
loaded from a file or have embedded in a script.
</simpara>
</warning>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>query</parameter></term>
<listitem>
<para>
The query to be executed.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>dbhandle</parameter></term>
<listitem>
<para>
The SQLite Database resource; returned from <function>sqlite_open
</function> when used procedurally. This parameter is not required
when using the object-oriented method.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
&sqlite.param-compat;
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
This function will return a boolean result; &true; for success or &false; for failure.
If you need to run a query that returns rows, see <function>sqlite_query</function>.
</para>
&sqlite.case-fold;
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Procedural example</title>
<programlisting role="php">
<![CDATA[
<?php
$dbhandle = sqlite_open('mysqlitedb');
$query = sqlite_exec($dbhandle, "UPDATE users SET email='jDoe@example.com' WHERE username='jDoe'");
if (!$query) {
exit('Error in query.');
} else {
echo 'Number of rows modified: ', sqlite_changes($dbhandle);
}
?>]]>
</programlisting>
</example>
</para>
<para>
<example>
<title>Object-oriented example</title>
<programlisting role="php">
<![CDATA[
<?php
$dbhandle = new SQLiteDatabase('mysqlitedb');
$query = $dbhandle->exec("UPDATE users SET email='jDoe@example.com' WHERE username='jDoe'");
if (!$query) {
exit('Error in query.');
} else {
echo 'Number of rows modified: ', $dbhandle->changes();
}
?>]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>sqlite_query</function></member>
<member><function>sqlite_unbuffered_query</function></member>
<member><function>sqlite_array_query</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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