function.fbsql-select-db.html
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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 a FrontBase 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="function.fbsql-rows-fetched.html">fbsql_rows_fetched</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.fbsql-set-characterset.html">fbsql_set_characterset</a></div> <div class="up"><a href="ref.fbsql.html">FrontBase Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.fbsql-select-db" class="refentry"> <div class="refnamediv"> <h1 class="refname">fbsql_select_db</h1> <p class="verinfo">(PHP 4 >= 4.0.6, PHP 5)</p><p class="refpurpose"><span class="refname">fbsql_select_db</span> — <span class="dc-title">Select a FrontBase 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>fbsql_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"> Sets the current active database on the given link identifier. </p> <p class="para"> The client contacts FBExec to obtain the port number to use for the connection to the database. If the database name is a number the system will use that as a port number and it will not ask FBExec for the port number. The FrontBase server can be stared as FRontBase -FBExec=No -port=<port number> <database name>. </p> <p class="para"> Every subsequent call to <a href="function.fbsql-query.html" class="function">fbsql_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 name of the database to be selected. </p> <p class="para"> If the database is protected with a database password, the you must call <a href="function.fbsql-database-password.html" class="function">fbsql_database_password()</a> before selecting the database. </p> </dd> </dt> <dt><span class="term"><i><tt class="parameter">link_identifier</tt></i></span><dd><p class="para">A FrontBase link identifierreturned by <a href="function.fbsql-connect.html" class="function">fbsql_connect()</a> or <a href="function.fbsql-pconnect.html" class="function">fbsql_pconnect()</a>.</p><p class="para">If optional and not specified,the function will try to find an open link to the FrontBase server and if nosuch link is found it will try to create one as if <a href="function.fbsql-connect.html" class="function">fbsql_connect()</a> was called with no arguments</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 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.fbsql-connect.html" class="function" rel="rdfs-seeAlso">fbsql_connect()</a></li> <li class="member"><a href="function.fbsql-pconnect.html" class="function" rel="rdfs-seeAlso">fbsql_pconnect()</a></li> <li class="member"><a href="function.fbsql-database-password.html" class="function" rel="rdfs-seeAlso">fbsql_database_password()</a></li> <li class="member"><a href="function.fbsql-query.html" class="function" rel="rdfs-seeAlso">fbsql_query()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.fbsql-rows-fetched.html">fbsql_rows_fetched</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.fbsql-set-characterset.html">fbsql_set_characterset</a></div> <div class="up"><a href="ref.fbsql.html">FrontBase 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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