[轉載] SQL Server 資料庫 Schema 檢視

Standard

找到一個不錯的 SQL Server 資料庫 Schema 檢視法,用 ASP 寫的。

原作原文在此:http://blog.l-penguin.idv.tw/archives/448/%E6%AA%A2%E8%A6%96-sql-server-%E8%B3%87%E6%96%99%E5%BA%AB-schema

依個人需求稍微修改的 Code 如下:
* 編碼問題
* 增加可以看檢視表的結構 (其實就是增加xtype=’V’)
* 清除結果

[code language=”JavaScript”]
<%@LANGUAGE="JAVASCRIPT" EnableSessionState="FALSE"%>
<%
Response.Charset=("BIG5")
var sConn = "Provider=sqloledb;";
sConn += "Data Source=IP位置;"; //"Data Source" is the name/IP of the SQL Server
sConn += "Initial Catalog=資料庫名;"; //Name of the Database on the SQL Server
sConn += "User Id=帳號;";
sConn += "Password=密碼;";
var conn = Server.CreateObject("ADODB.Connection");
conn.Open(sConn);
if (String(Request.QueryString("table")) != "undefined") {
sSQL = " SELECT tab.name table_name, ";
sSQL += " col.name column_name, ";
sSQL += " col.colid column_id, ";
sSQL += " typ.name data_type, ";
sSQL += " col.length length, ";
sSQL += " col.prec prec, ";
sSQL += " col.scale scale, ";
sSQL += " com.text default_value, ";
sSQL += " obj.name default_cons_name, ";
sSQL += " CASE ";
sSQL += " WHEN col.isnullable = 1 THEN ‘Y’ ";
sSQL += " ELSE ‘N’ ";
sSQL += " END is_nullable, ";
sSQL += " CASE ";
sSQL += " WHEN col.status & 0x80 = 0x80 THEN ‘Y’ ";
sSQL += " ELSE ‘N’ ";
sSQL += " END is_identity ";
sSQL += " FROM sysobjects tab, ";
sSQL += " syscolumns col LEFT OUTER JOIN ";
sSQL += " syscomments com INNER JOIN ";
sSQL += " sysobjects obj ON com.id = obj.id ON col.cdefault = com.id AND com.colid = 1, ";
sSQL += " systypes typ ";
sSQL += " WHERE tab.id = col.id ";
sSQL += " AND (tab.xtype = ‘U’ OR tab.xtype = ‘V’) ";
sSQL += " AND tab.name = ‘" + Request.QueryString("table") + "’ ";
sSQL += " AND col.xusertype = typ.xusertype ";
sSQL += " ORDER BY 1, 3 ";
sOut = "";
sOut += ‘<h2>Table Schema for &quot;’ + Request.QueryString("table") + ‘&quot;</h2>’;
sOut += ‘<table>’;
sOut += ‘<tr><th>欄位名稱</th><th>型態</th><th>長度</th><th>可為Null</th><th>識別</th><th>預設值</th></tr>’;
rs=Server.CreateObject("ADODB.Recordset");
rs.Open(sSQL, conn);
while (!rs.EOF) {
sOut += ‘<tr>’;
sOut += ‘<td>’ + rs("column_name") + ‘</td>’;
sOut += ‘<td>’ + rs("data_type") + ‘</td>’;
sOut += ‘<td>’ + rs("length") + ‘</td>’;
sOut += ‘<td>’ + rs("is_nullable") + ‘</td>’;
sOut += ‘<td>’ + rs("is_identity") + ‘</td>’;
defaultValue = String(rs("default_value"));
if (defaultValue.length < 20) {
sOut += ‘<td>’ + defaultValue + ‘</td>’;
} else {
sOut += ‘<td><a href="#" title="’ + defaultValue + ‘">Text Value…</a></td>’;
}
sOut += ‘</tr>’;
rs.MoveNext();
}
sOut += ‘</table>’;
sSQL = " SELECT tab.name table_name, ";
sSQL += " ind.name constraint_name, ";
sSQL += " INDEX_COL(tab.name, ind.indid, idk.keyno) column_name, ";
sSQL += " idk.keyno pos ";
sSQL += " FROM sysobjects tab, ";
sSQL += " sysindexes ind, ";
sSQL += " sysindexkeys idk ";
sSQL += " WHERE ind.status & 0x800 = 0x800 ";
sSQL += " AND ind.id = tab.id ";
sSQL += " AND idk.id = tab.id ";
sSQL += " AND idk.indid = ind.indid ";
sSQL += " AND tab.name = ‘" + Request.QueryString("table") + "’ ";
sSQL += " ORDER BY 1, 2, 4 ";
var rs1=Server.CreateObject("ADODB.Recordset");
rs1.Open(sSQL, conn, 1);
sOut += ‘<p><strong>Primary Key:</strong></p><ul>’;
if(rs1.RecordCount > 0) {
while (!rs1.EOF) {
sOut += ‘<li>’ + rs1("column_name") + ‘</li>’;
rs1.MoveNext();
}
} else {
sOut += ‘<li>None Defined</li>’;
}
sOut += ‘</ul>’;
Response.Write (sOut);
Response.End;
}
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=big5;" />
<title>Database Schema</title>
<style type="text/css">
body {font-family: Arial, Helvetica, sans-serif; font-size: x-small; padding: 0; margin: 0;}
#tables {float:left;width: 170px; padding: 3px; margin: 0; border-right: 1px dotted #444; background-color: #ddd; display:block}
#tables ul {list-style:none; padding: 10px 0 0 5px; margin: 0;}
#details { padding-left: 190px;}
table {border-collapse:collapse}
td, th {border: 1px solid #bbb; vertical-align: top; padding-right: 10px}
th {text-align: left}
h2 {cursor: pointer; font-size: medium}
.schema {margin-bottom:20px;}
#loading {width:7em; background-color: red; color:#fff; font-weight:bold; top: 0; left:0; position:absolute; padding:4px; display:none}
</style>
<script type="text/javascript">
var xmlDoc = null;
function load(url) {
var fromTop = document.all ? document.documentElement.scrollTop : pageYOffset
var s = document.getElementById(‘loading’).style;
s.top = fromTop + ‘px’;
s.display=’block’;
if (typeof window.ActiveXObject != ‘undefined’ ) {
xmlDoc = new ActiveXObject("Microsoft.XMLHTTP");
xmlDoc.onreadystatechange = process ;
}
else {
xmlDoc = new XMLHttpRequest();
xmlDoc.onload = process ;
}
xmlDoc.open( "GET", url, true );
xmlDoc.send( null );
}
function process() {
if ( xmlDoc.readyState != 4 ) return ;
document.getElementById("details").innerHTML += xmlDoc.responseText ;
document.getElementById(‘loading’).style.display=’none’;
}
function empty() {
document.getElementById("details").value += ‘error’ ;
document.getElementById(‘loading’).style.display=’none’;
}
function clearall() {
document.getElementById("details").innerHTML = ”;
document.getElementById(‘loading’).style.display=’none’;
}
</script>
</head>
<body>
<%
var sSQL = " SELECT tab.name table_name ";
sSQL += " FROM sysobjects tab ";
sSQL += " WHERE (tab.xtype = ‘U’ OR tab.xtype = ‘V’) ";
sSQL += " AND tab.name <> ‘dtproperties’ ";
sSQL += " ORDER BY 1 ";
var rs=Server.CreateObject("ADODB.Recordset");
rs.Open(sSQL, conn, 1);
var thisPage = Request.ServerVariables("SCRIPT_NAME");
var sOut = ‘<div id="tables">’;
sOut += ‘<div><a href="#" onclick="document.getElementById(\’tables\’).style.display=\’none\’; document.getElementById(\’details\’).style.paddingLeft=\’10px\’; return false;">Hide Table List</a></div>’;
sOut += ‘<div><a href="#" onclick="clearall(); return false;">清除</a></div>’;
sOut += ‘<ul>’;
if(rs.RecordCount > 0) {
while (!rs.EOF) {
sOut += ‘<li><a href="#" onclick="load(\” + thisPage + ‘?table=’ + rs("table_name") + ‘\’); return false;">’ + rs("table_name") + ‘</a></li>’;
rs.MoveNext();
}
}
sOut += ‘</ul></div>’;
rs.Close();
sOut += ‘<div id="details">&nbsp;’;
sOut += ‘</div>’;
Response.Write (sOut);
%>
<div id="loading">載入中…</div>
</body>
</html>
[/code]

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