<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >MySQL (mis)features</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="mysql driver manual" HREF="index.html"><LINK REL="UP" TITLE="Peculiarities you should know about" HREF="c173.html"><LINK REL="PREVIOUS" TITLE="Peculiarities you should know about" HREF="c173.html"><LINK REL="NEXT" TITLE="GNU Free Documentation License" HREF="copying-fdl.html"></HEAD ><BODY CLASS="SECT1" 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" >mysql driver manual: A libdbi driver providing connectivity to MySQL databases using libmysqlclient.</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="c173.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 4. Peculiarities you should know about</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="copying-fdl.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="AEN176" >4.1. MySQL (mis)features</A ></H1 ><P ></P ><UL ><LI ><P >To allow for row seeking, results are loaded into memory. This is very inefficient and may provide a bottleneck for large applications.</P ></LI ><LI ><P >DATETIME, TIMESTAMP, DATE and TIME are all treated as the DBI type DATETIME. This is currently a string, but will change in later releases.</P ></LI ><LI ><P >The DECIMAL type is treated as a string, as it has arbitrary precision.</P ></LI ></UL ></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="c173.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="copying-fdl.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Peculiarities you should know about</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="c173.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >GNU Free Documentation License</TD ></TR ></TABLE ></DIV ></BODY ></HTML >