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DefaultConstraint Class

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The DefaultConstraint object represents a Microsoft SQL Server default constraint.

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

Syntax

'Declaration
Public NotInheritable Class DefaultConstraint
    Inherits ScriptNameObjectBase
    Implements ICreatable, IDroppable, IRenamable, IAlterable, _
    IExtendedProperties, IScriptable

public sealed class DefaultConstraint : ScriptNameObjectBase, ICreatable, IDroppable, IRenamable, 
    IAlterable, IExtendedProperties, IScriptable

public ref class DefaultConstraint sealed : public ScriptNameObjectBase, ICreatable, IDroppable, IRenamable, 
    IAlterable, IExtendedProperties, IScriptable

public final class DefaultConstraint extends ScriptNameObjectBase implements ICreatable, IDroppable, 
    IRenamable, IAlterable, IExtendedProperties, IScriptable

public final class DefaultConstraint extends ScriptNameObjectBase implements ICreatable, IDroppable, 
    IRenamable, IAlterable, IExtendedProperties, IScriptable

Remarks

This namespace, class, or member is supported only in version 2.0 of the Microsoft .NET Framework.

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 2005.

Target Platforms

For a list of the supported platforms, see Hardware and Software Requirements for Installing SQL Server 2005.

See Also

Reference

DefaultConstraint Members
Microsoft.SqlServer.Management.Smo Namespace

Other Resources

Enforcing Data Integrity