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IsDetachedPrimaryFile-Methode

Überprüft, ob die angegebene Datei eine primäre Datenbankdatei (.mdf) ist.

Namespace:  Microsoft.SqlServer.Management.Smo
Assembly:  Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)

Syntax

'Declaration
Public Function IsDetachedPrimaryFile ( _
    mdfName As String _
) As Boolean
'Usage
Dim instance As Server
Dim mdfName As String
Dim returnValue As Boolean

returnValue = instance.IsDetachedPrimaryFile(mdfName)

public bool IsDetachedPrimaryFile(
    string mdfName
)

public:
bool IsDetachedPrimaryFile(
    String^ mdfName
)

member IsDetachedPrimaryFile : 
        mdfName:string -> bool 

public function IsDetachedPrimaryFile(
    mdfName : String
) : boolean

Parameter

Rückgabewert

Typ: System. . :: . .Boolean
Ein Boolean-Wert, der angibt, ob die Datendatei eine primäre Datenbankdatei ist.
Wenn der Wert True ist, ist die Datendatei eine primäre Datenbankdatei.
Wenn der Wert False ist, ist die Datendatei keine primäre Datenbankdatei.

Beispiele

Visual Basic

'Connect to the local, default instance of SQL Server.
Dim srv As Server
srv = New Server
Dim owner As String
Dim logstr as String
Dim datastr as String
owner = srv.Databases("AdventureWorks2008R2").Owner

'Detach the AdventureWorks2008R2 database.
srv.DetachDatabase("AdventureWorks2008R2", False, False)

'Display information about the detached database.
Dim d As DataTable
Datastr = "C:\Program Files\Microsoft SQL Server"
Datastr = datastr + "\MSSQL10_50\MSSQL\Data\AdventureWorks2008R2_Data.mdf"
Logstr = "C:\Program Files\Microsoft SQL Server"
Logstr = datastr + "\MSSQL10_50\MSSQL\Data\AdventureWorks2008R2_Log.ldf"
d = srv.DetachedDatabaseInfo(datastr)
Dim r As DataRow
Dim c As DataColumn
For Each r In d.Rows
    Console.WriteLine("==========================")
    For Each c In r.Table.Columns
        Console.WriteLine(c.ColumnName + " = " + r[c].ToString)
    Next
Next

'Check whether the file is a detached primary file.
Console.WriteLine(srv.IsDetachedPrimaryFile(datastr))

'Attach the database
Dim sc As StringCollection
sc = New StringCollection
sc.Add(datastr)
sc.Add(logstr)
srv.AttachDatabase("AdventureWorks2008R2", sc, owner, AttachOptions.None)

PowerShell

$srv = new-object Microsoft.SqlServer.Management.Smo.Server("(local)")
$db = New-Object Microsoft.SqlServer.Management.Smo.Database
$db = $srv.Databases.Item("AdventureWorks2008R2")
$owner = $db.Owner
$srv.DetachDatabase("AdventureWorks2008R2", $FALSE, $FALSE)
$datastr = "C:\Program Files\Microsoft SQL Server"
$datastr = $datastr + "\MSSQL10_50\MSSQL\Data\AdventureWorks2008R2_Data.mdf"
$logstr = "C:\Program Files\Microsoft SQL Server"
$logstr = $logstr + "\MSSQL10_50\MSSQL\Data\AdventureWorks2008R2_Log.ldf"
$d = $srv.DetachedDatabaseInfo($datastr)
foreach ($r in $d.Rows)
{
   Write-Host "=========================="
   Foreach ($c in $d.Columns)
   {
      Write-Host $c.ColumnName "=" $r[$c].ToString()
   }
}
Write-Host $srv.IsDetachedPrimaryFile($datastr)
$sc = new-object Systems.Collections.Specialized.StringCollection
$sc.Add($datastr)
$sc.Add($logstr)
$srv.AttachDatabase("AdventureWorks2008R2", $sc, $owner, [Microsoft.SqlServer.Management.Smo.AttachOptions]::None)