简述数据仓库中的表的基本类型,以及为了保证引用完整性该以什么样的顺序对它们进行加载。
[单选题]Sulphur has [occasionally] been found in theearth in an almost pure state.A
[主观题]There are two tables: students, and scores, in the mysql database (4.0+) exactly like this:SN | Name SN | Score------------- -------------1 | Jerry 1 | 48------------- -------------2 | Lily 2 | 50------------- -------------3 | Roy-------------where t
[试题]H.ow are bridge tables delivered to classify groups of dimension records associated to a singlefact?简述桥接表是如何将维度表和事实表进行关联的?
[名词解释] delirium state
[名词解释] Primary immunodeficiency disease
[单选题]They found the conditions there ________.A.much improveB.much to improveC.m
[主观题]Welfare state 福利
[名词解释] Welfare state 福利
[名词解释] 初次侵染(Primary infection)
[名词解释] 主码(Primary Key)