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<html><head><meta name="KEYWORDS" content=" library, C++, MySQL,
SQL, server, client, database, programming, development, software,
Win32, Windows, Linux, Unix, Solaris,
Microsoft, Borland, Centura, Gupta, IBM"><meta name="DESCRIPTION" content=
"SQLAPI++ is C++ library for accessing SQL databases (Oracle, SQLServer, Sybase, DB2, InterBase, SQLBase, Informix, MySQL, ODBC).
It uses native APIs, provides low-level access to database-specific features."><title>SQLAPI++ Library - Server Specific Guide - MySQL</title></head><body bgcolor="#ffffff" BACKGROUND="../images/bg.gif" text="#000000"><!--class="GlbHdr"-->
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<H2><A href="index.html">Server Specific Guide</A></H2>
<h1>MySQL</h1>
<P align=left>SQLAPI++ allows to work with a number of SQL database
servers. It provides common mechanisms to access database, and as a
general rule they work for any database server. But each server has
some specific features which developer has to know to use all
server's capability and avoid potential errors.</P>
<P align=left>This page collects all <STRONG>specific</STRONG> information that concerns
working with <STRONG>MySQL</STRONG>
server using SQLAPI++
Library. Full information about using SQLAPI++ see in <A
href="../HowTo/index.html">How To</A>
and <A
href="../OnLineDoc/index.html">Online Documentation</A>.
</P>
<P align=left>Available topics:
</P>
</center>
<P><A
href="MySQL.html#Connecting to a database">Connecting to a
database</A></P>
<P><A
href="MySQL.html#Transaction isolation levels">Transaction
isolation levels</A></P>
<P><A
href="MySQL.html#Working with Long or Lob(CLob, BLob) data">Working with
Long or Lob(CLob, BLob) data</A></P>
<P><A
href="MySQL.html#Returning output parameters">Returning output parameters</A></P>
<P><A
href="MySQL.html#Cancelling queries">Cancelling queries</A></P>
<P><A
href="MySQL.html#Connection and command options">Connection, command,
parameter and
field options</A></P>
<P><A
href="MySQL.html#Getting native MySQL API"> Getting native MySQL API</A></P>
<P><A
href="MySQL.html#Getting native MySQL connection related handles"> Getting native MySQL connection related
handles</A></P>
<P><A
href="MySQL.html#Getting native MySQL command related handles"> Getting native MySQL command related
handles</A></P>
<P><A href="MySQL.html#Error handling">Error
handling</A></P>
<P><A href="MySQL.html#Special header files - Compile time">Special header files - Compile time</A></P>
<P> </P>
<H3><A
name="Connecting to a database">Connecting to a database</A> </H3>
<p>To connect to a database you should create a
connection object and then connect it. A connection object is
represented by <A href="../OnLineDoc/Connection.html" >SAConnection</A>
class. After the connection is created you need to connect it to
<STRONG>MySQL</STRONG>
server using <A href="../OnLineDoc/Connection_Connect.html" >SAConnection::Connect</A>
method</p>
<p><font face=Arial><b
>void Connect( const SAString
&</b>sDBString<b>, const SAString
&</b>sUserID<b>, const SAString
&</b>sPassword<b>, SAClient_t</b>
eSAClient<b> = SA_Client_NotSpecified );</b><b
> <BR></b></font></p>
<p>with the following parameters:</p>
<P><EM>sDBString.</EM> One of the following
formats:</P>
<UL>
<LI><STRONG>"" or "@"</STRONG> - empty
string or '@' character, connects to a local server.
<LI>
<STRONG><database name> or @
<STRONG><database name></STRONG></STRONG> - connects to
a database with the specified name on local server.<LI>
<STRONG><server name>@</STRONG> - connects to the specified
server.<LI><STRONG><server
name>@<database name>
</STRONG>- connects to a database
with the specified name on the specified server.</LI></UL>
<p><STRONG><server name></STRONG> in its
turn can have the following formats:</p>
<UL>
<LI>hostname[:port]
<LI>pathname of the Unix socket that is used to connect to the
server </LI></UL>
<P><EM>sUserID.</EM> A string containing a user name
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