[单选]

You have included the following parameter setting in your server parameter file：       PGA_AGGREGATE_TARGET = 800M       
SORT_AREA_SIZE = 100M      
 HASH_AREA_SIZE = 100M       
BITMAP_MERGE_AREA_SIZE = 100M       
CREATE_BITMAP_AREA_SIZE = 100M  
Which statement is true？（）  

某施工单位承担一土石坝施工任务，该单位对坝基开挖做了施工组织设计，坝基基坑深为5.2m，采用药壶爆破法施工，土方量为9000m³，平均运距为10km，合同工期为8天。该施工单位有甲、乙、丙液压挖掘机各4台、2台、2台，A、B、C自卸汽车各12台、30台、18台，挖掘机的机械利用率为0.9，自卸汽车的机械利用率为0.95，其主要参数见表1、表2。 该工程施工组织设计中采用药壶爆破法开挖坝基石方是否合适？若合适，请说明理由。若不合适，指出合适的施工方法。 Which two statements about subqueries are true? （） A single row subquery can retrieve data from only one table.。 A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.。 A SQL query statement can display data from table B that is referred to in its subquery, without including table B in its own FROM clause.。 A single row subquery can retrieve data from more than one table.。 A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.。 A multiple-row subquery cannot be used in a condition where the LIKE operator is used for comparison.。 Which POWER6 virtualization technology is the minimum to enable multiple shared processor pool functionality？（）  PowerHA Standard Edition。 PowerVM Standard Edition。 Power6 Management Edition。 Power6 Virtualization Editio。 Which TWO of the following tasks of system maintenance can be improved by using Remote Deployment Manager？（） Deployment。 Software maintenance。 Driver updates。 Disposal。 Software inventory。 What is the minimum amount of memory required for a new LPAR to be built via NIM on AIX6.1（）？  128 MB。 256 MB。 512 MB。 1024 MB。

You have included the following parameter setting in your server parameter file：       PGA_AGGREGATE_TARGET = 800M       
SORT_AREA_SIZE = 100M      
 HASH_AREA_SIZE = 100M       
BITMAP_MERGE_AREA_SIZE = 100M       
CREATE_BITMAP_AREA_SIZE = 100M  
Which statement is true？（）