Snapshot support is based on the ODBC Cursor Library, which provides static cursors and positioned updates (needed for updateability) for any Level 1 driver.
快照集支援是ODBC 资料指标程式库架构,可提供静态资料指标和定位更新 (可更新性所需)给任何层级1驱动程式。
Finally, you learned how to mix the two approaches to perform positioned updates and deletes.
最后,学习了结合使用两种方法来执行定位更新和删除。
The flexibility of the JDBC API also permits you to create a cursor that you can use programmatically to perform positioned updates and deletes by issuing the appropriate SQL commands.
JDBCAPI的灵活性还允许您创建一个可以通过编程的方法来使用的游标,用于通过发出相应的SQL命令执行定位更新和删除。