Sql server 使用导入和导出向导将Oracle数据库导入SQL Server数据类型转换错误

我正在尝试使用SQL Server导入和导出向导.Net Framework Oracle数据提供程序将数据库从Oracle（12）导入Microsoft SQL Server（2016）

在经历了许多问题和错误之后，我现在有了一个无法解决的错误。它在78个表中创建了5个表，并在第一个表上抛出从Oracle时间戳到SQL Server NVARCHAR max的转换错误

我试图更改到SQL Server DateTime的映射，但它抱怨没有转换，不允许我尝试

以下是错误流：

· Error 0xc0202009: Data Flow Task 1: SSIS Error Code DTS_E_OLEDBERROR.  An OLE DB error has occurred. Error code: 0x80040E21.
An OLE DB record is available.  Source: "Microsoft OLE DB Provider for SQL Server"  Hresult: 0x80040E21  Description: "Multiple-step OLE DB operation generated errors. Check each OLE DB status value, if available. No work was done.".
(SQL Server Import and Export Wizard)

· Error 0xc002f446: Data Flow Task 1: An error occurred while setting up a binding for the "Column3" column. The binding status was "DT_DBTIMESTAMP". The data flow column type is "DBBINDSTATUS_UNSUPPORTEDCONVERSION". The conversion from the OLE DB type of "DBTYPE_DBTIMESTAMP" to the destination column type of "DBTYPE_WVARCHAR" might not be supported by this provider.
(SQL Server Import and Export Wizard)

· Error 0xc002f446: Data Flow Task 1: An error occurred while setting up a binding for the "Column5" column. The binding status was "DT_DBTIMESTAMP". The data flow column type is "DBBINDSTATUS_UNSUPPORTEDCONVERSION". The conversion from the OLE DB type of "DBTYPE_DBTIMESTAMP" to the destination column type of "DBTYPE_WVARCHAR" might not be supported by this provider.
(SQL Server Import and Export Wizard)

· Error 0xc002f446: Data Flow Task 1: An error occurred while setting up a binding for the "Column12" column. The binding status was "DT_DBTIMESTAMP". The data flow column type is "DBBINDSTATUS_UNSUPPORTEDCONVERSION". The conversion from the OLE DB type of "DBTYPE_DBTIMESTAMP" to the destination column type of "DBTYPE_WVARCHAR" might not be supported by this provider.
(SQL Server Import and Export Wizard)

· Error 0xc002f446: Data Flow Task 1: An error occurred while setting up a binding for the "Column20" column. The binding status was "DT_DBTIMESTAMP". The data flow column type is "DBBINDSTATUS_UNSUPPORTEDCONVERSION". The conversion from the OLE DB type of "DBTYPE_DBTIMESTAMP" to the destination column type of "DBTYPE_WVARCHAR" might not be supported by this provider.
(SQL Server Import and Export Wizard)

· Error 0xc002f446: Data Flow Task 1: An error occurred while setting up a binding for the "Column21" column. The binding status was "DT_DBTIMESTAMP". The data flow column type is "DBBINDSTATUS_UNSUPPORTEDCONVERSION". The conversion from the OLE DB type of "DBTYPE_DBTIMESTAMP" to the destination column type of "DBTYPE_WVARCHAR" might not be supported by this provider.
(SQL Server Import and Export Wizard)

· Error 0xc002f446: Data Flow Task 1: An error occurred while setting up a binding for the "Column25" column. The binding status was "DT_DBTIMESTAMP". The data flow column type is "DBBINDSTATUS_UNSUPPORTEDCONVERSION". The conversion from the OLE DB type of "DBTYPE_DBTIMESTAMP" to the destination column type of "DBTYPE_WVARCHAR" might not be supported by this provider.
(SQL Server Import and Export Wizard)

· Error 0xc0202025: Data Flow Task 1: Cannot create an OLE DB accessor. Verify that the column metadata is valid.
(SQL Server Import and Export Wizard)

· Error 0xc004701a: Data Flow Task 1: Destination 1 - Table1 failed the pre-execute phase and returned error code 0xC0202025.
(SQL Server Import and Export Wizard)

关于如何进行转换有什么想法吗