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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Select a FrontBase database</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.fbsql-select-db" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">fbsql_select_db</h1>
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<p class="verinfo">(PHP 4 >= 4.0.6, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">fbsql_select_db</span> — <span class="dc-title">Select a FrontBase database</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.fbsql-select-db-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>fbsql_select_db</strong></span>
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([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$database_name</code></span>
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[, <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link_identifier</code></span>
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]] ) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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Sets the current active database on the given link identifier.
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</p>
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<p class="para">
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The client contacts FBExec to obtain the port number to use for
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the connection to the database. If the database name is a number
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the system will use that as a port number and it will not ask
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FBExec for the port number. The FrontBase server can be stared
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as FRontBase -FBExec=No -port=<port number> <database
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name>.
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</p>
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<p class="para">
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Every subsequent call to <span class="function"><a href="fbsql_query.html" class="function">fbsql_query()</a></span> will be
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made on the active database.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.fbsql-select-db-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">database_name</code></dt>
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<dd>
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<p class="para">
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The name of the database to be selected.
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</p>
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<p class="para">
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If the database is protected with a database password, the you must
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call <span class="function"><a href="fbsql_database_password.html" class="function">fbsql_database_password()</a></span> before selecting the
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database.
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</p>
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</dd>
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<dt>
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<code class="parameter">
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link_identifier</code></dt>
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<dd>
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<p class="para">由
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<span class="function"><a href="fbsql_connect.html" class="function">fbsql_connect()</a></span> 或
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<span class="function"><a href="fbsql_pconnect.html" class="function">fbsql_pconnect()</a></span> 返回的 FrontBase 链接标识符.</p>
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<p class="para">如可选并未指定，函数会尝试查找一个到 FrontBase 服务器的开放链接，且如没有找到这样的链接，会尝试通过不带参数调用 <span class="function"><a href="fbsql_connect.html" class="function">fbsql_connect()</a></span> 来创建一个。</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.fbsql-select-db-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.fbsql-select-db-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="fbsql_connect.html" class="function" rel="rdfs-seeAlso">fbsql_connect()</a> - Open a connection to a FrontBase Server</span></li>
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<li class="member"><span class="function"><a href="fbsql_pconnect.html" class="function" rel="rdfs-seeAlso">fbsql_pconnect()</a> - Open a persistent connection to a FrontBase Server</span></li>
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<li class="member"><span class="function"><a href="fbsql_database_password.html" class="function" rel="rdfs-seeAlso">fbsql_database_password()</a> - Sets or retrieves the password for a FrontBase database</span></li>
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<li class="member"><span class="function"><a href="fbsql_query.html" class="function" rel="rdfs-seeAlso">fbsql_query()</a> - Send a FrontBase query</span></li>
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</ul>
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</p>
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</div>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Select a FrontBase database</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.fbsql-select-db" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">fbsql_select_db</h1>
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<p class="verinfo">(PHP 4 >= 4.0.6, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">fbsql_select_db</span> — <span class="dc-title">Select a FrontBase database</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.fbsql-select-db-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>fbsql_select_db</strong></span>
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([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$database_name</code></span>
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[, <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link_identifier</code></span>
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]] ) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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Sets the current active database on the given link identifier.
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</p>
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<p class="para">
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The client contacts FBExec to obtain the port number to use for
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the connection to the database. If the database name is a number
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the system will use that as a port number and it will not ask
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FBExec for the port number. The FrontBase server can be stared
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as FRontBase -FBExec=No -port=<port number> <database
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name>.
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</p>
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<p class="para">
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Every subsequent call to <span class="function"><a href="fbsql_query.html" class="function">fbsql_query()</a></span> will be
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made on the active database.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.fbsql-select-db-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">database_name</code></dt>
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<dd>
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<p class="para">
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The name of the database to be selected.
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</p>
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<p class="para">
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If the database is protected with a database password, the you must
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call <span class="function"><a href="fbsql_database_password.html" class="function">fbsql_database_password()</a></span> before selecting the
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database.
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</p>
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</dd>
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<dt>
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<code class="parameter">
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link_identifier</code></dt>
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<dd>
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<p class="para">由
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<span class="function"><a href="fbsql_connect.html" class="function">fbsql_connect()</a></span> 或
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<span class="function"><a href="fbsql_pconnect.html" class="function">fbsql_pconnect()</a></span> 返回的 FrontBase 链接标识符.</p>
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<p class="para">如可选并未指定，函数会尝试查找一个到 FrontBase 服务器的开放链接，且如没有找到这样的链接，会尝试通过不带参数调用 <span class="function"><a href="fbsql_connect.html" class="function">fbsql_connect()</a></span> 来创建一个。</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.fbsql-select-db-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.fbsql-select-db-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="fbsql_connect.html" class="function" rel="rdfs-seeAlso">fbsql_connect()</a> - Open a connection to a FrontBase Server</span></li>
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<li class="member"><span class="function"><a href="fbsql_pconnect.html" class="function" rel="rdfs-seeAlso">fbsql_pconnect()</a> - Open a persistent connection to a FrontBase Server</span></li>
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<li class="member"><span class="function"><a href="fbsql_database_password.html" class="function" rel="rdfs-seeAlso">fbsql_database_password()</a> - Sets or retrieves the password for a FrontBase database</span></li>
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<li class="member"><span class="function"><a href="fbsql_query.html" class="function" rel="rdfs-seeAlso">fbsql_query()</a> - Send a FrontBase query</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html>
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