OleDbSchemaGuid 类

定义

返回由 GetOleDbSchemaTable(Guid, Object[]) 方法指定的架构表类型。Returns the type of schema table specified by the GetOleDbSchemaTable(Guid, Object[]) method.

public ref class OleDbSchemaGuid sealed
public sealed class OleDbSchemaGuid
type OleDbSchemaGuid = class
Public NotInheritable Class OleDbSchemaGuid
继承
OleDbSchemaGuid

注解

类中的每个字段都 OleDbSchemaGuid 映射到一个 OLE DB 架构行集。Each field in the OleDbSchemaGuid class maps to an OLE DB schema rowset.

备注

OleDbSchemaGuid Procedure_Columns OLE DB 提供程序可能不支持类的某些成员,如架构) (。Some members of the OleDbSchemaGuid class, (such as Procedure_Columns schema) may not be supported by your OLE DB provider. 请参阅数据库文档,以确定是否可以通过查询数据库的系统表来检索此架构信息。Refer to your database documentation to determine whether you can retrieve this schema information by querying the system tables of your database.

构造函数

OleDbSchemaGuid()

初始化 OleDbSchemaGuid 类的新实例。Initializes a new instance of the OleDbSchemaGuid class.

字段

Assertions

返回在目录中定义的给定用户拥有的断言。Returns the assertions defined in the catalog that is owned by a given user.

Catalogs

返回与可从数据源访问的目录有关的物理特性。Returns the physical attributes associated with catalogs accessible from the data source. 返回在目录中定义的给定用户拥有的断言。Returns the assertions defined in the catalog that is owned by a given user.

Character_Sets

返回在目录中定义的字符集,给定用户可以访问它们。Returns the character sets defined in the catalog that is accessible to a given user.

Check_Constraints

返回在目录中定义的给定用户拥有的 CHECK 约束。Returns the check constraints defined in the catalog that is owned by a given user.

Check_Constraints_By_Table

返回在目录中定义的给定用户拥有的 CHECK 约束。Returns the check constraints defined in the catalog that is owned by a given user.

Collations

返回在目录中定义的字符排序规则,给定用户可以访问它们。Returns the character collations defined in the catalog that is accessible to a given user.

Column_Domain_Usage

返回在目录中定义、依赖于在目录中定义的域并由给定用户拥有的列。Returns the columns defined in the catalog that are dependent on a domain defined in the catalog and owned by a given user.

Column_Privileges

返回在目录中定义、给定用户可使用或负责授予的对表中列的特权。Returns the privileges on columns of tables defined in the catalog that are available to or granted by a given user.

Columns

返回在目录中定义的表(包括视图)的列,给定用户可以访问这些列。Returns the columns of tables (including views) defined in the catalog that is accessible to a given user.

Constraint_Column_Usage

返回由引用约束、唯一约束、CHECK 约束和断言使用的、在目录中定义并由给定用户拥有的列。Returns the columns used by referential constraints, unique constraints, check constraints, and assertions, defined in the catalog and owned by a given user.

Constraint_Table_Usage

返回由引用约束、唯一约束、CHECK 约束和在目录中定义并由给定用户拥有的断言使用的表。Returns the tables that are used by referential constraints, unique constraints, check constraints, and assertions defined in the catalog and owned by a given user.

DbInfoKeywords

返回提供程序特定的关键字的列表。Returns a list of provider-specific keywords.

DbInfoLiterals

返回在文本命令使用的提供程序特定的文本的列表。Returns a list of provider-specific literals used in text commands.

Foreign_Keys

返回由给定用户在目录中定义的外键列。Returns the foreign key columns defined in the catalog by a given user.

Indexes

返回在目录中定义的由给定用户拥有的索引。Returns the indexes defined in the catalog that is owned by a given user.

Key_Column_Usage

返回在目录中定义的列,给定用户将这些列约束为键。Returns the columns defined in the catalog that is constrained as keys by a given user.

Primary_Keys

返回在目录中由给定用户定义的主键列。Returns the primary key columns defined in the catalog by a given user.

Procedure_Columns

返回有关由过程返回的行集合的列的信息。Returns information about the columns of rowsets returned by procedures.

Procedure_Parameters

返回有关过程的参数和返回代码的信息。Returns information about the parameters and return codes of procedures.

Procedures

返回在目录中定义的由给定用户拥有的过程。Returns the procedures defined in the catalog that is owned by a given user.

Provider_Types

返回用于 OLE DB 的 .NET Framework 数据提供程序支持的基本数据类型。Returns the base data types supported by the .NET Framework Data Provider for OLE DB.

Referential_Constraints

返回在目录中定义的由给定用户拥有的引用约束。Returns the referential constraints defined in the catalog that is owned by a given user.

SchemaGuids

返回架构行集合的列表,该架构行集合是由它们的 GUID 和一个指向限制列的说明的指针标识的。Returns a list of schema rowsets, identified by their GUIDs, and a pointer to the descriptions of the restriction columns.

Schemata

返回给定用户拥有的架构对象。Returns the schema objects that are owned by a given user.

Sql_Languages

返回在目录中定义的 SQL 实现处理数据所支持的一致性级别、选项和语言。Returns the conformance levels, options, and dialects supported by the SQL-implementation processing data defined in the catalog.

Statistics

返回在目录中定义的由给定用户拥有的统计。Returns the statistics defined in the catalog that is owned by a given user.

Table_Constraints

返回在目录中定义的由给定用户拥有的表约束。Returns the table constraints defined in the catalog that is owned by a given user.

Table_Privileges

返回在目录中定义、给定用户可使用或负责授予的对表的特权。Returns the privileges on tables defined in the catalog that are available to, or granted by, a given user.

Table_Statistics

描述提供程序中表的可用统计集合。Describes the available set of statistics on tables in the provider.

Tables

返回在目录中定义的表(包括视图),给定用户可以访问它们。Returns the tables (including views) defined in the catalog that are accessible to a given user.

Tables_Info

返回给定用户可访问的表(包括视图)。Returns the tables (including views) that are accessible to a given user.

Translations

返回在目录中定义的字符转换,给定用户可以访问这些字符转换。Returns the character translations defined in the catalog that is accessible to a given user.

Trustee

标识在数据源中定义的受信者。Identifies the trustees defined in the data source.

Usage_Privileges

返回在目录中定义、给定用户可使用或负责授予的对对象的 USAGE 特权。Returns the USAGE privileges on objects defined in the catalog that are available to or granted by a given user.

View_Column_Usage

返回已查看的表所依赖、在目录中定义并由给定用户拥有的列。Returns the columns on which viewed tables depend, as defined in the catalog and owned by a given user.

View_Table_Usage

返回已查看的表所依赖、在目录中定义并由给定用户拥有的表。Returns the tables on which viewed tables, defined in the catalog and owned by a given user, are dependent.

Views

返回在目录中定义的视图,给定用户可以访问这些视图。Returns the views defined in the catalog that is accessible to a given user.

方法

Equals(Object)

确定指定对象是否等于当前对象。Determines whether the specified object is equal to the current object.

(继承自 Object)
GetHashCode()

作为默认哈希函数。Serves as the default hash function.

(继承自 Object)
GetType()

获取当前实例的 TypeGets the Type of the current instance.

(继承自 Object)
MemberwiseClone()

创建当前 Object 的浅表副本。Creates a shallow copy of the current Object.

(继承自 Object)
ToString()

返回表示当前对象的字符串。Returns a string that represents the current object.

(继承自 Object)

适用于