我们筑起土坝,防止洪水泛滥.We built banks of earth to hold back the flood waters.在道路、桥头等工程中,公路路堤和桥头土坝等基础刚度较小,与地基刚度相差不大.The rigidity of highway bank and dyke is small compared with the one of highway base....
Independently, local transactions are executed under the control of the local DBMS.在多数据库中,全局事务是在MDBS的控制下执行, 局部事务在局部DBMS控制下独立执行.A collection of tables and indexes. The context for all DBMS operations.数据库:表和索引的集合. 数据库管理系统(...