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æ¥çå®ä¾åæ¶å¯ç¨ 1ãæå¡âSQL Server(å®ä¾å)ï¼é»è®¤å®ä¾ä¸º(MSSQLSERVER)
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2ãéè¿æ³¨å表 HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/Microsoft SQL Server/InstalledInstance
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sqlcmd/osql sqlcmd -L sqlcmd -Lc osql -L
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DECLARE @Table TABLE ( instanceName sysname NULL)
insert @Table EXEC sys.xp_cmdshell 'sqlcmd -Lc'
--LEFT(@@serverName,CHARINDEX('/',@@serverName+'/')-1) æ¿ä»£ä¸ºæ¬æºåå°±è¡äº , æ ¹æ®å®ä¾å½åè§åå¤æ
SELECT * FROM @Table WHERE instanceName LIKE LEFT( @@serverName , CHARINDEX ( '/' , @@serverName + '/' )- 1)+ '%'
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--1. SELECT SERVERPROPERTY('InstanceName')
--2 sp_helpserver
--3 select @@SERVERNAME
--4 SELECT * FROM SYS.SYSSERVERS
--5 SELECT * FROM SYS.SERVERS
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EXECUTE xp_regread @rootkey='HKEY_LOCAL_MACHINE',
@key='SOFTWARE/Microsoft/Microsoft SQL Server/Instance Names/SQl',
@value_name='MSSQLSERVER'
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Select Case When SERVERPROPERTY ('InstanceName') Is Null Then @@SERVERNAME Else SERVERPROPERTY ('InstanceName') End
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1ãYou can do with registry reading , like my code
using System; using Microsoft.Win32;
namespace SMOTest { class Program { static void Main() { RegistryKey rk = Registry.LocalMachine.OpenSubKey(@"SOFTWARE/Microsoft/Microsoft SQL Server"); String[] instances = (String[])rk.GetValue("InstalledInstances"); if (instances.Length > 0) { foreach (String element in instances) { if (element == "MSSQLSERVER") Console.WriteLine(System.Environment.MachineName); else Console.WriteLine(System.Environment.MachineName + @"/" + element); } } } } }
2ãYou can use SQLDMO.dll to retrieve the list of SQL Server instances. The SQLDMO.dll can be found from the "C:/Program Files/Microsoft SQL Server/80/Tools/Bin"
folder. Refer this assembly in your project and the following snippet
would return a List Object containing the sql server instances.
public static List GetSQLServerInstances()
{
NameList sqlNameList = null;
Application app = null;
var sqlServers = new List();
try
{
app = new ApplicationClass();
sqlNameList = app.ListAvailableSQLServers();
foreach (string sqlServer in sqlNameList)
sqlServers.Add(sqlServer);
}
catch(Exception ex)
{
//play with the exception.
}
finally
{
if (sqlNameList != null)
sqlNameList = null;
if (app != null)
app = null;
}
return sqlServers;
}
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