mysql-create-db.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.mysql-create-db" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>mysql_create_db</refname>
  <refpurpose>新建一个 MySQL 数据库</refpurpose>
 </refnamediv>

 <refsynopsisdiv>
  <warning>
   &mysql.alternative.note.4-3-0;
   <simplelist role="alternatives">
    <member><function>mysqli_query</function></member>
    <member><methodname>PDO::query</methodname></member>
   </simplelist>
  </warning>
 </refsynopsisdiv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>mysql_create_db</methodname>
   <methodparam><type>string</type><parameter>database name</parameter></methodparam>
   <methodparam choice="opt"><type>resource</type><parameter>link_identifier</parameter></methodparam>
  </methodsynopsis>
  <para>
   <function>mysql_create_db</function> 尝试在指定的连接标识所关联的服务器上建立一个新数据库。
  </para>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>database_name</parameter></term>
     <listitem>
      <para>
       要创建的数据库名。
      </para>
     </listitem>
    </varlistentry>
    &mysql.linkid.description;
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>替代 <function>mysql_create_db</function> 示例</title>
    <para>
     <function>mysql_create_db</function> 函数已废弃。最好用
     <function>mysql_query</function> 来提交一条 SQL 的
     <literal>CREATE DATABASE</literal> 语句来代替。
    </para>
    <programlisting role="php">
<![CDATA[
<?php
$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
if (!$link) {
    die('Could not connect: ' . mysql_error());
}

$sql = 'CREATE DATABASE my_db';
if (mysql_query($sql, $link)) {
    echo "Database my_db created successfully\n";
} else {
    echo 'Error creating database: ' . mysql_error() . "\n";
}
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
Database my_db created successfully
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  <note>
   <para>
    &info.deprecated.alias;
    <function>mysql_createdb</function>
   </para>
  </note>
  <note>
   <para>
    如果 MySQL 扩展是基于 MySQL 4.x 客户端库编译的话则本函数不可用。
   </para>
  </note>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>mysql_query</function></member>
    <member><function>mysql_select_db</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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