<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >Databases</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Manual do PHP" HREF="index.html"><LINK REL="UP" TITLE="Migrating from PHP 4 to PHP 5" HREF="migration5.html"><LINK REL="PREVIOUS" TITLE="New Directives" HREF="migration5.newconf.html"><LINK REL="NEXT" TITLE="New Object Model" HREF="migration5.oop.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="section" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Manual do PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="migration5.newconf.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Apêndice C. Migrating from PHP 4 to PHP 5</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="migration5.oop.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="section" ><H1 CLASS="section" ><A NAME="migration5.databases" >Databases</A ></H1 ><P > There were some changes in PHP 5 regarding databases (MySQL and SQLite). </P ><P > In PHP 5 the MySQL client libraries are not bundled, because of license problems and some others. For more information, read the <A HREF="faq.databases.html#faq.databases.mysql.php5" >FAQ entry</A >. </P ><P > There is also a new extension, <A HREF="ref.mysqli.html" >MySQLi (Improved MySQL)</A >, which is designed to work with MySQL 4.1 and above. </P ><P > Since PHP 5, the <A HREF="ref.sqlite.html" >SQLite</A > extension is built-in PHP. SQLite is an embeddable SQL database engine and is not a client library used to connect to a big database server (like MySQL or PostgreSQL). The SQLite library reads and writes directly to and from the database files on disk. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="migration5.newconf.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Principal</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="migration5.oop.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >New Directives</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="migration5.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >New Object Model</TD ></TR ></TABLE ></DIV ></BODY ></HTML >