MS Access - 数据类型表中的每个字段都有属性,这些属性定义字段的特征和行为。 字段最重要的属性是其数据类型。 字段的数据类型决定了它可以存储什么类型的数据。 MS Access 支持不同类型的数据,每种数据都有特定的用途。数据类型决定了用户可以在任何给定字段中存储的值的类型。 每个字段只能存储由单一数据类型组成...
2 Data Types 2.1 Common Base Types 2.2 Common Data Types 2.3 Common Data Structures 2.4 Constructed Security Types 2.4 Constructed Security Types 2.4.1 SID_IDENTIFIER_AUTHORITY 2.4.2 SID 2.4.3 ACCESS_MASK 2.4.4 ACE 2.4.4 ACE 2.4.4.1 ACE_HEADER ...
MS Access Data Types Data typeDescriptionStorage TextUse for text or combinations of text and numbers. 255 characters maximum MemoMemo is used for larger amounts of text. Stores up to 65,536 characters.Note:You cannot sort a memo field. However, they are searchable ...
[MS-DTYP]: Windows Data Types 1 Introduction 2 Data Types 2 Data Types 2.1 Common Base Types 2.2 Common Data Types 2.3 Common Data Structures 2.4 Constructed Security Types 2.4 Constructed Security Types 2.4.1 SID_IDENTIFIER_AUTHORITY 2.4.2 SID 2.4.3 ACCESS_MASK 2.4.4 ACE 2.4.5 ACL 2.4....
ms-DS-Applies-To-Resource-Types ms-DS-Approx-Immed-從屬 ms-DS-AuthenticatedAt-DC ms-DS-AuthenticatedTo-Accountlist ms-DS-Auxiliary-Classs ms-DS-Az-Application-Data ms-DS-Az-Application-Name ms-DS-Az-Application-Version ms-DS-Az-Biz-Rule ms-DS-Az-Biz-Rule-Language ms-DS-Az-Class-ID ...
Microsoft Access data types map to SQL Server data types as follows: Expand table Defaults A Microsoft Access default expression maps directly to a single SQL Server default. While largely similar, there are some differences in the way defaults are created and behave in the two products. ...
DataObject A data access object 13 Decimal Decimal value 14 Byte Byte value 17 UserDefinedType Variants that contain user-defined types 36 Array Array 8192 例子- 让我们考虑一个像 80000 这样的长整数值,那么如果您将使用 VarType函数,那么它将为长整数返回 3。 SELECT VarType(80000); 复制 输出- ...
2.4.3 ACCESS_MASK 2.4.4 ACE 2.4.5 ACL 2.4.6 SECURITY_DESCRIPTOR 2.4.7 SECURITY_INFORMATION 2.4.8 TOKEN_MANDATORY_POLICY 2.4.9 MANDATORY_INFORMATION 2.4.10 CLAIM_SECURITY_ATTRIBUTE 2.5 Additional Information for Security Types 2.6 ServerGetInfo Abstract Interface ...
This enumeration describes the data types that this protocol uses in generic structures. It is currently used only in section2.2.89. typedef enum _tag_FW_DATA_TYPE { FW_DATA_TYPE_EMPTY, FW_DATA_TYPE_UINT8, FW_DATA_TYPE_UINT16, FW_DATA_TYPE_UINT32, FW_DATA_TYPE_UINT64, FW_DATA_TYPE...
Manage tables, views, stored procedures, triggers, indexes, rules, defaults, and user-defined data types. Create full-text indexes, database diagrams, and database maintenance plans. Import and export data. Transform data. Perform various Web administration tasks. ...