下表显示了 Microsoft Access 数据类型的限制。 数据类型说明 BINARY、VARBINARY 和 VARCHAR创建长度为零或未指定长度的 BINARY、VARBINARY 或 VARCHAR 列实际上会返回一个 510 字节的列。 BYTE即使 FieldSize 等于 BYTE 的 Microsoft Access NUMBER 字段是无符号的,使用 Microsoft Access 驱动程序时,可以在字段中...
下表显示了 Microsoft Access 数据类型、用于创建表的数据类型以及 ODBC SQL 数据类型。 Microsoft Access 数据类型数据类型 (CREATETABLE)ODBC SQL 数据类型 BIGBINARY[1]LONGBINARYSQL_LONGVARBINARY BINARYBINARYSQL_BINARY BITBITSQL_BIT 计数器计数器SQL_INTEGER ...
The following table shows the Microsoft Access data types, data types used to create tables, and ODBC SQL data types.Expand table Microsoft Access data typeData type (CREATETABLE)ODBC SQL data type BIGBINARY[1] LONGBINARY SQL_LONGVARBINARY BINARY BINARY SQL_BINARY BIT BIT SQL_BIT COUNTER COU...
Select the appropriate data type for table fields in Access web apps, such as Short Text, Long Text, Number, and so on.
When creating tables in Access, you need to select a data type for each column of data. The Short Text data type is a popular choice since it lets you enter almost any character (letter, symbol, or number). However, careful selection of data types can help you take advantage ...
Enumerates the possible access data types. Namespace: Microsoft.PointOfService Assembly: Microsoft.PointOfService (in microsoft.pointofservice.dll) Syntax C# 复制 [SuppressMessageAttribute("Microsoft.Design", "CA1008:EnumsShouldHaveZeroValue", Justification="UPOS specification does not include 0.")]...
The Microsoft Access database engine recognizes several overlapping sets of data types. In Microsoft Access, there are four different contexts in which you may need to specify a data type — in table Design view, in theQuery Parametersdialog box, in Visual Basic, and in SQL view in a query...
Data Types and RDA RDA Limitations RDA Conflict Detection and Reporting Multiuser Access and RDA Implementing Remote Data Access Using Merge Replication Enhancing Performance (SQL Server Compact) How-to Topics (SQL Server Compact) Troubleshooting (SQL Server Compact) ...
Another Access database ODBC datasource (such as SQL Server) You can export from a table, a query, a form, or a report. Today we'll export two different queries to two different formats: We'll export ourIron Maiden Albumsquery to an Excel spreadsheet. ...
The geometry and geography data types support 16 types of spatial data objects, or instance types. However, only 11 of these instance types are instantiable; you can create and work with these instances (or instantiate them) in a database. These instances derive certain properties from their ...