Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
在面试中,有人问我,您能告诉我并行数据仓库中哪个更快:删除还是更新?
所以首先我会问: 1.一般来说哪个过程更快? 2. 如果我们对带有索引的列进行操作怎么办? 3. Parallel Data Warehouse 哪个更快?