DatabaseCollection 类
The DatabaseCollection class represents a collection of Database objects that represent all the databases defined on the instance of SQL Server.
继承层次结构
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
命名空间: Microsoft.SqlServer.Management.Smo
程序集: Microsoft.SqlServer.Smo(在 Microsoft.SqlServer.Smo.dll 中)
语法
声明
Public NotInheritable Class DatabaseCollection _
Inherits SimpleObjectCollectionBase
用法
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
DatabaseCollection 类型公开以下成员。
属性
名称 | 说明 | |
---|---|---|
Count | Gets the number of objects in the referenced collection. (从 SmoCollectionBase 继承。) | |
IsSynchronized | Gets the Boolean property value that specifies whether access to the collection is synchronized and therefore thread-safe. (从 SmoCollectionBase 继承。) | |
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. (从 SmoCollectionBase 继承。) |
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方法
名称 | 说明 | |
---|---|---|
Add | Adds an database object to the collection. | |
AddExisting | Adds an object to the collection. (从 AbstractCollectionBase 继承。) | |
Contains | Verifies whether the specified object exists in the collection. (从 SimpleObjectCollectionBase 继承。) | |
CopyTo | Copies the collection objects to a one-dimensional array beginning at the index value specified. | |
Equals | (从 Object 继承。) | |
GetEnumerator | Returns an IEnumerator interface that allows you to iterate through the objects in the collection. (从 SmoCollectionBase 继承。) | |
GetHashCode | (从 Object 继承。) | |
GetType | (从 Object 继承。) | |
ItemById | Extracts a member from the DatabaseCollection collection using a system-defined, unique identifier. | |
Refresh() | Refreshes the referenced collection. (从 SmoCollectionBase 继承。) | |
Refresh(Boolean) | Refreshes the referenced collection with the option to refresh child objects of the referenced collection. (从 SmoCollectionBase 继承。) | |
ToString | (从 Object 继承。) |
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字段
名称 | 说明 | |
---|---|---|
initialized | This value supports the SMO infrastructure and is not intended to be used directly from your code. (从 AbstractCollectionBase 继承。) |
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显式接口实现
名称 | 说明 | |
---|---|---|
ICollection.CopyTo | Copies the elements from an instance to an array beginning at the index indicated. (从 SmoCollectionBase 继承。) |
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注释
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
此类型的任何公共静态(Microsoft Visual Basic 中的 Shared)成员在多线程操作中是安全的。但不保证所有实例成员都是线程安全的。
示例
线程安全
此类型的任何公共 static(在 Visual Basic 中为 Shared) 成员都是线程安全的。不保证所有实例成员都是线程安全的。