原因是 sql 语句 select 后面有sql_variant类型的属性,在 JDBC 中不支持它。使用sp_columns命令最终查出sys.extended_properties表的value属性的TYPE_NAME是sql_variant类型的,sql 如下: sp_columnsextended_properties 解决方法是使用CONVERT函数将该属性转成varchar类型。 CONVERT 函数的用法参考:SQL Server 中 CONVERT(...
了解如何使用 SQLXML 4.0 中的 xsd:type 和 sql:datatype 属性来控制 XSD 数据类型和 SQL Server 数据类型之间的映射。
When handling thesql_variantdata type, SQL Server supports implicit conversions of objects with other data types to thesql_varianttype. However, SQL Server does not support implicit conversions fromsql_variantdata to an object with another data type. ...
When handling thesql_variant data type, SQL Server supports implicit conversions of objects with other data types to thesql_variant type. However, SQL Server does not support implicit conversions fromsql_variant data to an object with another data type. declare@var_intsql_variantdeclare@var_bitsq...
sql_variant date float 和 real time datetime int、bigint、smallint 和 tinyint uniqueidentifier xml json 使用OLE 自动化存储过程转换数据类型 由于SQL Server 使用 Transact-SQL 数据类型,而 OLE 自动化使用 Visual Basic 数据类型,因此 OLE 自动化存储过程必须转换在两者之间传递的数据。
sqlvariantSQLVARIANTObject geometry geographyVARBINARYbyte[] 1The Microsoft JDBC Driver for SQL Server supports sending and retrieving CLR UDTs as binary data but doesn't support manipulation of the CLR metadata. The following sections provide examples of how you can use the JDBC driver and the adv...
Other data types: Cursor, hierarchyid, sql_variant, table, rowversion, uniqueidentifier, XML, Spatial and geography 其他数据类型:游标,hierarchyid,sql_variant,表,行版本,唯一标识符,XML,空间和地理 Note: SQL Server will deprecate ntext, text and image data type in future releases. We should avoid ...
microtechpoint首席执行官创始人brian alderman mctmodule 3 sql server data types 3SQLServer数据类型FunctionOD1.pdf,Exact numeric Unicode characters Approximate numeric Binary strings Date and time Other Character strings • Decimal/numeric are functional
Same as SQL Server field size nvarchar (field size), where field size is greater than 255 Memo nvarchar(MAX) Memo real Number Single smalldatetime Date/Time smallint Number Integer smallmoney Currency sql_variant Text 255 text Memo timestamp ...
any SQL Server data type except text, ntext, image, varchar(max), nvarchar(max), varbinary(max), xml, timestamp, and Microsoft .NET Framework common language runtime (CLR) user-defined types. An instance of sql_variant data also cannot have sql_variant as its underlying base data type. ...