Column Members
The Column object represents a Microsoft SQL Server column.
The following tables list the members exposed by the Column type.
Public Constructors
| Nome | Description | |
|---|---|---|
| Column | Overloaded. Initializes a new instance of the Column class. |
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Protected Fields
| Nome | Description | |
|---|---|---|
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m_ExtendedProperties | (inherited from SqlSmoObject ) |
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Public Properties
(see also Protected Properties )
| Nome | Description | |
|---|---|---|
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AnsiPaddingStatus | Gets or sets a Boolean property value that specifies whether the ANSI_PADDING_ENABLED column option is active or not. |
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Collation | Gets or sets the default collation used by the column. |
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Computed | Gets the Boolean property value that specifies whether the column is the product of computed expression |
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ComputedText | Gets or sets the Transact-SQL expression used to generate the value of a computed column |
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DataType | Gets or sets the data type that is assigned to the column. |
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Default | Gets the default bound to the column. |
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DefaultConstraint | Gets or sets a default value for the column. |
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DefaultSchema | Gets or sets the default schema that is bound to the column. |
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ExtendedProperties | Represents a collection of ExtendedProperty objects. Each ExtendedProperty object represents an extended property for the Column object. |
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ID | Gets the column ID that uniquely identifies the column. |
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Identity | Gets or sets the Boolean property value that specifies whether the column is an identity column. |
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IdentityIncrement | Gets or sets the identity increment for an identity column. |
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IdentitySeed | Gets or sets the identity seed for an identity column. |
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InPrimaryKey | Gets the Boolean property value that specifies whether the column is included in the definition of a primary key or unique key constraint. |
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IsForeignKey | Gets the Boolean property value that specifies whether the column is a foreign key. |
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IsFullTextIndexed | Gets the Boolean property value that specifies whether the column participates in a full-text index. |
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IsPersisted | Gets the Boolean property value that specifies whether the computed value of the Column object is saved with the data, thus avoiding a computation each time the column is accessed. |
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Name | Gets or sets the name of the object. (inherited from NamedSmoObject) |
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NotForReplication | Gets the Boolean property value that specifies whether the column is participating in replication. |
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Nullable | Gets or sets the Boolean property value that specifies whether the column can accept null values. |
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Parent | Gets the SqlSmoObject object that is the parent of the Column object. |
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Properties | Gets a collection of Property objects that represent the object properties. (inherited from SqlSmoObject) |
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RowGuidCol | Gets or sets the Boolean property value that specifies whether the column is automatically updated with a unique GUID value. |
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Rule | Gets or sets the rule that is bound to the column. |
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RuleSchema | Gets or sets the rule schema that is bound to the column. |
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State | Gets the state of the referenced object. (inherited from SmoObjectBase) |
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Urn | Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. (inherited from SqlSmoObject) |
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UserData | Gets or sets user-defined data associated with the referenced object. (inherited from SmoObjectBase) |
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Protected Properties
| Nome | Description | |
|---|---|---|
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ExecuteForScalar | Gets or sets the Boolean property value that specifies whether the object is set to the execute for scalar option. (inherited from SqlSmoObject) |
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ObjectInSpace | Gets the Boolean property value that specifies whether the object exists in isolation or whether it is connected to the instance of Microsoft SQL Server directly or indirectly. (inherited from SqlSmoObject) |
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PresetProperties | Gets or sets the preset properties of the referenced object. (inherited from SqlSmoObject) |
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ScalarResult | Gets the scalar result for the referenced object. (inherited from SqlSmoObject) |
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Public Methods
(see also Protected Methods )
| Nome | Description | |
|---|---|---|
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AddDefaultConstraint | Overloaded. Adds a default constraint to the column. |
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Alter | Updates any Column object property changes on the instance of Microsoft SQL Server. |
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BindDefault | Binds a default to the column. |
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BindRule | Binds a rule to the column. |
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Create | Creates a column on the instance of Microsoft SQL Server as defined by the Column object. |
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Drop | Drops the column. |
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EnumForeignKeys | Enumerates a list of foreign keys that reference the column. |
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EnumIndexes | Enumerates a list of indexes that include the column. |
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EnumUserPermissions | Enumerates a list of permissions for a specified user. |
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Equals | Overloaded. (inherited from Object ) |
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GetHashCode | (inherited from Object ) |
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GetType | (inherited from Object ) |
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Initialize | Overloaded. Initializes the object and forces the properties be loaded. (inherited from SqlSmoObject) |
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MarkForDrop | Marks the column to be dropped when the Alter method is run on the column's parent Table object. |
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ReferenceEquals | (inherited from Object ) |
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Refresh | Overridden. Refreshes the Column object properties. |
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Rename | Renames the column. |
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ToString | Returns a String that represents the referenced object. (inherited from SqlSmoObject) |
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UnbindDefault | Unbinds the currently bound default from the column. |
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UnbindRule | Unbinds the currently bound rule from the column. |
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UpdateStatistics | Overloaded. Updates statistics for the column. |
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Protected Methods
| Nome | Description | |
|---|---|---|
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AlterImpl | (inherited from SqlSmoObject ) |
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AlterImplFinish | (inherited from SqlSmoObject ) |
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AlterImplInit | (inherited from SqlSmoObject ) |
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AlterImplWorker | (inherited from SqlSmoObject ) |
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AppendCommaText | (inherited from ScriptNameObjectBase ) |
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AppendWithCommaText | (inherited from ScriptNameObjectBase ) |
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AppendWithOption | (inherited from ScriptNameObjectBase ) |
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BindDefaultImpl | (inherited from SqlSmoObject ) |
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BindRuleImpl | (inherited from SqlSmoObject ) |
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CheckCollation | (inherited from SqlSmoObject ) |
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CheckObjectState | Overloaded. Validates the state of the referenced object. (inherited from SqlSmoObject) |
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CheckObjectStateImpl | (inherited from SqlSmoObject ) |
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CheckTextCorectness | (inherited from ScriptNameObjectBase ) |
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CheckTextModeSupport | (inherited from ScriptNameObjectBase ) |
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CheckVersion80 | Checks the validity of the object on Microsoft SQL Server 2000. (inherited from SqlSmoObject) |
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CheckVersion80SP3 | Checks the validity of the object on Microsoft SQL Server 2000 SP3. (inherited from SqlSmoObject) |
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CheckVersion90 | Check the validity of the object on Microsoft SQL Server 2005. (inherited from SqlSmoObject) |
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CheckVersionBelow90 | (inherited from SqlSmoObject ) |
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CleanObject | Cleans the referenced object. (inherited from ScriptNameObjectBase) |
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CreateImpl | (inherited from SqlSmoObject ) |
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CreateImplFinish | (inherited from SqlSmoObject ) |
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CreateImplInit | (inherited from SqlSmoObject ) |
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DropImpl | (inherited from SqlSmoObject ) |
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DropImplWorker | (inherited from SqlSmoObject ) |
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Finalize | (inherited from Object ) |
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ForceTextModeOnTextBody | Enforces text mode on the text body. (inherited from ScriptNameObjectBase) |
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FormatSqlVariant | (inherited from SqlSmoObject ) |
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GenerateDataSpaceScript | (inherited from SqlSmoObject ) |
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GetBindDefaultScript | (inherited from SqlSmoObject ) |
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GetBindRuleScript | (inherited from SqlSmoObject ) |
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GetBoolParameter | Overloaded. (inherited from SqlSmoObject ) |
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GetBraketNameForText | (inherited from ScriptNameObjectBase ) |
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GetDateTimeParameter | (inherited from SqlSmoObject ) |
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GetDateTimeParameterAsInt | (inherited from SqlSmoObject ) |
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GetDBName | Gets the database name associated with the object. (inherited from SqlSmoObject) |
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GetEnumParameter | (inherited from SqlSmoObject ) |
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GetFragOptionString | (inherited from SqlSmoObject ) |
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GetGuidParameter | (inherited from SqlSmoObject ) |
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GetIsTextDirty | Determines whether the text value is consistent with stored value. (inherited from ScriptNameObjectBase) |
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GetParameter | Overloaded. (inherited from SqlSmoObject ) |
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GetPropValue | (inherited from SqlSmoObject ) |
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GetPropValueOptional | (inherited from SqlSmoObject ) |
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GetPropValueOptionalAllowNull | (inherited from SqlSmoObject ) |
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GetRealValue | (inherited from SqlSmoObject ) |
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GetScriptIncludeExists | (inherited from ScriptNameObjectBase ) |
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GetScriptingOptionsForCreate | (inherited from SqlSmoObject ) |
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GetServerName | Gets the name of the instance of Microsoft SQL Server with which the object is associated. (inherited from SqlSmoObject) |
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GetSqlServerVersionName | Gets the version name of the instance of Microsoft SQL Server with which the object is associated. (inherited from SqlSmoObject) |
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GetStringParameter | Overloaded. (inherited from SqlSmoObject ) |
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GetTextBody | Overloaded. Returns the text body. (inherited from ScriptNameObjectBase) |
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GetTextForScript | (inherited from ScriptNameObjectBase ) |
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GetTextHeader | (inherited from ScriptNameObjectBase ) |
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GetTextMode | Determines whether the script name is using text mode. (inherited from ScriptNameObjectBase) |
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GetTextProperty | (inherited from ScriptNameObjectBase ) |
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GetTimeSpanParameterAsInt | (inherited from SqlSmoObject ) |
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GetUrnRecursive | Overloaded. (inherited from SqlSmoObject ) |
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ImplInitialize | (inherited from SqlSmoObject ) |
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IsCollectionDirty | (inherited from SqlSmoObject ) |
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IsObjectDirty | Specifies whether the object has properties that have not yet been updated on the instance of Microsoft SQL Server. (inherited from ScriptNameObjectBase) |
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IsObjectInitialized | Verifies whether the object has been initialized. (inherited from SqlSmoObject) |
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IsObjectInSpace | Verifies whether the object is isolated or connected to the instance of Microsoft SQL Server. (inherited from SqlSmoObject) |
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IsVersion80SP3 | (inherited from SqlSmoObject ) |
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MarkDropped | (inherited from SqlSmoObject ) |
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MarkForDropImpl | (inherited from SqlSmoObject ) |
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MemberwiseClone | (inherited from Object ) |
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PostAlter | (inherited from SqlSmoObject ) |
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PostCreate | (inherited from SqlSmoObject ) |
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PostDrop | (inherited from SqlSmoObject ) |
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RenameImpl | (inherited from NamedSmoObject ) |
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RenameImplWorker | (inherited from NamedSmoObject ) |
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ScriptAlter | (inherited from SqlSmoObject ) |
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ScriptAnsiQI | (inherited from ScriptNameObjectBase ) |
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ScriptChangeOwner | (inherited from NamedSmoObject ) |
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ScriptCreate | (inherited from SqlSmoObject ) |
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ScriptDdl | (inherited from SqlSmoObject ) |
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ScriptDrop | (inherited from SqlSmoObject ) |
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ScriptImpl | Overloaded. (inherited from SqlSmoObject ) |
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ScriptImplWorker | (inherited from SqlSmoObject ) |
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ScriptInformativeHeaders | (inherited from ScriptNameObjectBase ) |
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ScriptRename | (inherited from NamedSmoObject ) |
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SetCollectionTextMode | (inherited from ScriptNameObjectBase ) |
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SetParentImpl | (inherited from SqlSmoObject ) |
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SetTextBody | (inherited from ScriptNameObjectBase ) |
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SetTextHeader | (inherited from ScriptNameObjectBase ) |
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SetTextMode | (inherited from ScriptNameObjectBase ) |
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SwitchTextMode | (inherited from ScriptNameObjectBase ) |
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ThrowIfTextIsDirtyForAlter | (inherited from ScriptNameObjectBase ) |
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Trace | (inherited from SqlSmoObject ) |
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UnbindDefaultImpl | (inherited from SqlSmoObject ) |
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UnbindRuleImpl | (inherited from SqlSmoObject ) |
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UpdateCollectionState2 | (inherited from SqlSmoObject ) |
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Vedere anche
Riferimento
Column Class
Microsoft.SqlServer.Management.Smo Namespace