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DefaultConstraint Class

The DefaultConstraint object represents a SQL Server default constraint.

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

Syntax

'Bildirim
<SfcElementTypeAttribute("Default")> _
Public NotInheritable Class DefaultConstraint
    Inherits ScriptNameObjectBase
    Implements ICreatable, IDroppable, IRenamable, IAlterable, _
    IExtendedProperties, IScriptable

[SfcElementTypeAttribute("Default")] 
public sealed class DefaultConstraint : ScriptNameObjectBase, ICreatable, IDroppable, IRenamable, 
    IAlterable, IExtendedProperties, IScriptable

[SfcElementTypeAttribute(L"Default")] 
public ref class DefaultConstraint sealed : public ScriptNameObjectBase, ICreatable, IDroppable, IRenamable, 
    IAlterable, IExtendedProperties, IScriptable

/** @attribute SfcElementTypeAttribute("Default") */ 
public final class DefaultConstraint extends ScriptNameObjectBase implements ICreatable, IDroppable, 
    IRenamable, IAlterable, IExtendedProperties, IScriptable

SfcElementTypeAttribute("Default") 
public final class DefaultConstraint extends ScriptNameObjectBase implements ICreatable, IDroppable, 
    IRenamable, IAlterable, IExtendedProperties, IScriptable

Remarks

To get DefaultConstraint object properties, users can be members of the public fixed server role.

To set DefaultConstraint object properties, users must have ALTER permission on the parent table or be a member of the db_owner fixed database role.

To create or drop a default constraint, users must have ALTER permission on the parent table or be a member of the db_owner fixed database role.

Inheritance Hierarchy

System.Object
   Microsoft.SqlServer.Management.Smo.SmoObjectBase
     Microsoft.SqlServer.Management.Smo.SqlSmoObject
       Microsoft.SqlServer.Management.Smo.NamedSmoObject
         Microsoft.SqlServer.Management.Smo.ScriptNameObjectBase
          Microsoft.SqlServer.Management.Smo.DefaultConstraint

Thread Safety

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Platforms

Development Platforms

For a list of the supported platforms, see Hardware and Software Requirements for Installing SQL Server.

Target Platforms

For a list of the supported platforms, see Hardware and Software Requirements for Installing SQL Server.