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DefaultConstraint Class

The DefaultConstraint object represents a Microsoft SQL Server default constraint.

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

public sealed class DefaultConstraint : 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

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.


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.

Development Platforms

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

Target Platforms

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