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Check Class

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The Check object represents a Microsoft SQL Server check constraint.

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

Syntax

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

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

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

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

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

Remarks

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

To get Check object properties, users can be a member of the public fixed server role.

To set Check object properties and run the Alter method, users must have ALTER permission on the parent table or column, or be a member of the db_owner fixed database role.

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

To drop a check 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.Check

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

Check Members
Microsoft.SqlServer.Management.Smo Namespace

Other Resources

Working with Database Objects
CHECK Constraints
CREATE TABLE (Transact-SQL)