Most Level 1 drivers do not support positioned updates.
多数1级驱动程序都不支持定位更新。
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。
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。
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。
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。
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