namespace System.Data.Common { public static class SchemaTableOptionalColumn { public static readonly string AutoIncrementSeed; public static readonly string AutoIncrementStep; public static readonly string BaseCatalogName; public static readonly string BaseColumnNamespace; public static readonly string BaseServerName; public static readonly string BaseTableNamespace; public static readonly string ColumnMapping; public static readonly string DefaultValue; public static readonly string Expression; public static readonly string IsAutoIncrement; public static readonly string IsHidden; public static readonly string IsReadOnly; public static readonly string IsRowVersion; public static readonly string ProviderSpecificDataType; } }