Firebird MsSQL Data Types比较 This section describes the different data types available in Firebird and MS SQL, and how to translate types from one system to another. MS SQL has different data types, depending on
Firebird MsSQL Data Types比较 This section describes the different data types available in Firebird and MS SQL, and how to translate types from one system to another. MS SQL has different data types, depending on the version. The following table lists the data types along with the version in...
MS SQL Server Data Types String Data Types Data typeDescriptionMax char lengthStorage char(n)Fixed-length non-Unicode character data (n must be between 1 and 8000)8,000n bytes (uses one byte for each character) varchar(n)Variable-length non-Unicode character data (n must be between 1 and...
MS-SQL-ConnectionURL MS-SQL-Contact MS-SQL-CreationDate MS-SQL-Database MS-SQL-Description MS-SQL-GPSHeight MS-SQL-GPSLatitude MS-SQL-GPSLongitude MS-SQL-InformationDirectory MS-SQL-InformationURL MS-SQL-Keywords MS-SQL-Language MS-SQL-LastBackupDate MS-SQL-LastDiagnosticDate MS-SQL-LastUpdated...
MSSql中ntext与nvarchar相等比较 45 30 在MS Sql数据库中,如果table中的某column数据类型设计为ntext或者text,做查询匹配时,用=操作会引起: The data types ntext and varchar are incompatible in the equal tooperator. 因为 用‘’引起来的字符串默认的数据类型为nvarchar,ntext类型的数据与nvarcahr类型数据不能...
用Enterprise Manager 创建用户自定义数据类型的方法是:在Enterprise Manager 中选择要创建用户自定义类型的数据库,在数据库对象“User Defined Data Types”上单击右键,从开始菜单中选择“New User Defined Data Type”选项,就会出现如图7-3 所示的定义用户自定义数据类型属性对话框。可以在其中指定要定义的数据类型的名...
SQL Server supplies a set of system data types that define all the types of data that can be used with SQL Server. You can also define your own data types in Transact-SQL or the Microsoft .NET Framework. Alias data types are based on the system-supplied data types. For more information...
Objects that contain data have an associated data type that defines the kind of data; for example, character, integer, or binary, the object can contain. The following objects have data types: Columns in tables and views. Parameters in stored procedures. Variables. Transact-SQL functions that ...
When you create a mining model or a mining structure in Microsoft SQL Server SQL Server Analysis Services, you must define the data types for each of the columns in the mining structure. The data type tells the analysis engine whether the data in the data source is numerical or text, and...
Each column in a table in a Microsoft SQL Server Compact 4.0 database supports a set of data types that specify the type of data that the column can hold. Note There might be minor differences between Microsoft SQL Server and SQL Server Compact 4.0 in the way data types are promoted when...