Where did the plane from London arrive and what did workers unloadfrom it?
从伦敦来的飞机到达了哪儿，装卸工从飞机上又卸下了什么东西？
2
Support of external table creation, access, load, and unloadfrom within the stored procedures makes it easier to perform the batch load and unload operations.
存储过程中的外部表创建、访问、加载和卸载支持允许您更轻松地执行批加载和卸载操作。
3
Edit the file to remove unwanted tables and split it into several input files to do a staggered movement approach where you perform unloadfrom source and load to target in parallel.