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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Select MS SQL database</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.mssql.html">Mssql Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.mysql.html">MySQL</a></div> <div class="up"><a href="ref.mssql.html">Mssql Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.mssql-select-db" class="refentry"> <div class="refnamediv"> <h1 class="refname">mssql_select_db</h1> <p class="verinfo">(PHP 4, PHP 5, PECL odbtp:1.1.1-1.1.4)</p><p class="refpurpose"><span class="refname">mssql_select_db</span> — <span class="dc-title">Select MS SQL database</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>mssql_select_db</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$database_name</tt></span> [, <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$link_identifier</tt></span> ] )</div> <p class="para rdfs-comment"> <b>mssql_select_db()</b> sets the current active database on the server that's associated with the specified link identifier. </p> <p class="para"> Every subsequent call to <a href="function.mssql-query.html" class="function">mssql_query()</a> will be made on the active database. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">database_name</tt></i></span> <dd> <p class="para"> The database name. </p> <p class="para"> To escape the name of a database that contains spaces, hyphens ("-"), or any other exceptional characters, the database name must be enclosed in brackets, as is shown in the example, below. This technique must also be applied when selecting a database name that is also a reserved word (such as <i>primary</i>). </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">link_identifier</tt></i></span> <dd> <p class="para"> A MS SQL link identifier, returned by <a href="function.mssql-connect.html" class="function">mssql_connect()</a> or <a href="function.mssql-pconnect.html" class="function">mssql_pconnect()</a>. </p> <p class="para"> If no link identifier is specified, the last opened link is assumed. If no link is open, the function will try to establish a link as if <a href="function.mssql-connect.html" class="function">mssql_connect()</a> was called, and use it. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>mssql_select_db()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Create a link to MSSQL<br /></span><span style="color: #0000BB">$link </span><span style="color: #007700">= </span><span style="color: #0000BB">mssql_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'KALLESPC\SQLEXPRESS'</span><span style="color: #007700">, </span><span style="color: #DD0000">'sa'</span><span style="color: #007700">, </span><span style="color: #DD0000">'phpfi'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Select the database 'php'<br /></span><span style="color: #0000BB">mssql_select_db</span><span style="color: #007700">(</span><span style="color: #DD0000">'php'</span><span style="color: #007700">, </span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.mssql-connect.html" class="function" rel="rdfs-seeAlso">mssql_connect()</a></li> <li class="member"><a href="function.mssql-pconnect.html" class="function" rel="rdfs-seeAlso">mssql_pconnect()</a></li> <li class="member"><a href="function.mssql-query.html" class="function" rel="rdfs-seeAlso">mssql_query()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.mssql.html">Mssql Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.mysql.html">MySQL</a></div> <div class="up"><a href="ref.mssql.html">Mssql Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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