Class InformationSchema.ColumnDomainUsage

Namespace

LinqToDB.Tools.DataProvider.SqlServer.Schemas

Assembly

linq2db.Tools.dll

COLUMN_DOMAIN_USAGE (Transact-SQL)

Applies to: √ SQL Server (all supported versions) √ Azure SQL Database

Returns one row for each column in the current database that has an alias data type. This information schema view returns information about the objects to which the current user has permissions.
To retrieve information from these views, specify the fully qualified name of INFORMATION_SCHEMA._view_name_.

See INFORMATION_SCHEMA.COLUMN_DOMAIN_USAGE.

[Table(Schema = "INFORMATION_SCHEMA", Name = "COLUMN_DOMAIN_USAGE", IsView = true)]
public class InformationSchema.ColumnDomainUsage

Inheritance

object

InformationSchema.ColumnDomainUsage

Extension Methods

Map.DeepCopy<T>(T)

Properties

ColumnName

Column using the alias data type.

[Column("COLUMN_NAME")]
[Nullable]
public string? ColumnName { get; set; }

Property Value

string

DomainCatalog

Database in which the alias data type exists.

[Column("DOMAIN_CATALOG")]
[Nullable]
public string? DomainCatalog { get; set; }

Property Value

string

DomainName

Alias data type.

[Column("DOMAIN_NAME")]
[NotNull]
public string DomainName { get; set; }

Property Value

string

DomainSchema

Name of schema that contains the alias data type.

Important Do not use INFORMATION_SCHEMA views to determine the schema of a data type. The only reliable way to find the schema of a type is to use the TYPEPROPERTY function.

[Column("DOMAIN_SCHEMA")]
[Nullable]
public string? DomainSchema { get; set; }

Property Value

string

TableCatalog

Table qualifier.

[Column("TABLE_CATALOG")]
[Nullable]
public string? TableCatalog { get; set; }

Property Value

string

TableName

Table in which the alias data type is used.

[Column("TABLE_NAME")]
[NotNull]
public string TableName { get; set; }

Property Value

string

TableSchema

Table owner.

Important Do not use INFORMATION_SCHEMA views to determine the schema of an object. INFORMATION_SCHEMA views only represent a subset of the metadata of an object. The only reliable way to find the schema of a object is to query the sys.objects catalog view.

[Column("TABLE_SCHEMA")]
[Nullable]
public string? TableSchema { get; set; }

Property Value

string