DatabaseCollection-Klasse
The DatabaseCollection class represents a collection of Database objects that represent all the databases defined on the instance of SQL Server.
Vererbungshierarchie
System.Object
Microsoft.SqlServer.Management.Smo.AbstractCollectionBase
Microsoft.SqlServer.Management.Smo.SmoCollectionBase
Microsoft.SqlServer.Management.Smo.SortedListCollectionBase
Microsoft.SqlServer.Management.Smo.SimpleObjectCollectionBase
Microsoft.SqlServer.Management.Smo.DatabaseCollection
Namespace: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in Microsoft.SqlServer.Smo.dll)
Syntax
'Declaration
Public NotInheritable Class DatabaseCollection _
Inherits SimpleObjectCollectionBase
'Usage
Dim instance As DatabaseCollection
public sealed class DatabaseCollection : SimpleObjectCollectionBase
public ref class DatabaseCollection sealed : public SimpleObjectCollectionBase
[<SealedAttribute>]
type DatabaseCollection =
class
inherit SimpleObjectCollectionBase
end
public final class DatabaseCollection extends SimpleObjectCollectionBase
Der DatabaseCollection-Typ macht folgende Elemente verfügbar.
Eigenschaften
| Name | Beschreibung | |
|---|---|---|
.gif "Öffentliche Eigenschaft") |
Count | Gets the number of objects in the referenced collection. (Geerbt von SmoCollectionBase.) |
|
IsSynchronized | Gets the Boolean property value that specifies whether access to the collection is synchronized and therefore thread-safe. (Geerbt von SmoCollectionBase.) |
|
Item[Int32] | Gets a Database object in the collection by index number. |
|
Item[String] | Gets a Database object in the collection by name. |
|
Parent | Gets the Server object that is the parent of the Database object. |
|
SyncRoot | Gets an object that can be used to synchronize access to the collection. (Geerbt von SmoCollectionBase.) |
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Methoden
| Name | Beschreibung | |
|---|---|---|
.gif "Öffentliche Methode") |
Add | Adds an database object to the collection. |
.gif "Geschützte Methode") |
AddExisting | Adds an object to the collection. (Geerbt von AbstractCollectionBase.) |
|
Contains | Verifies whether the specified object exists in the collection. (Geerbt von SimpleObjectCollectionBase.) |
|
CopyTo | Copies the collection objects to a one-dimensional array beginning at the index value specified. |
|
Equals | (Geerbt von Object.) |
|
GetEnumerator | Returns an IEnumerator interface that allows you to iterate through the objects in the collection. (Geerbt von SmoCollectionBase.) |
|
GetHashCode | (Geerbt von Object.) |
|
GetType | (Geerbt von Object.) |
|
ItemById | Extracts a member from the DatabaseCollection collection using a system-defined, unique identifier. |
|
Refresh() | Refreshes the referenced collection. (Geerbt von SmoCollectionBase.) |
|
Refresh(Boolean) | Refreshes the referenced collection with the option to refresh child objects of the referenced collection. (Geerbt von SmoCollectionBase.) |
|
ToString | (Geerbt von Object.) |
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Felder
| Name | Beschreibung | |
|---|---|---|
.gif "Geschütztes Feld") |
initialized | This value supports the SMO infrastructure and is not intended to be used directly from your code. (Geerbt von AbstractCollectionBase.) |
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Explizite Schnittstellenimplementierungen
| Name | Beschreibung | |
|---|---|---|
.gif "Explizite Schnittstellenimplementierung") .gif "Private Methode") |
ICollection.CopyTo | Copies the elements from an instance to an array beginning at the index indicated. (Geerbt von SmoCollectionBase.) |
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Hinweise
A DatabaseCollection object can be used to gain access to a set of databases. You can use the Item property to return a specific Database object.
Thread Safety
Alle öffentlichen, statischen Elemente dieses Typs (Shared in Microsoft Visual Basic) sind für Vorgänge mit mehreren Threads sicher. Bei Instanzmembern ist die Threadsicherheit nicht gewährleistet.
Beispiele
Threadsicherheit
Alle öffentlichen static (Shared in Visual Basic)-Elemente dieses Typs sind Threadsicher. Für Instanzelemente wird die Threadsicherheit nicht gewährleistet.