In an embedded main memory database the primary copy of the database is stored in a volatile memory when a crash occurs a reload of the database from archive memory to main memory must be performed .

在嵌入式内存数据库系统中，系统崩溃时数据库主拷贝存于 易 失性内存中，因此需要把 数据库主拷贝从外存重装到内存。