You are designing an application for Certkiller .com and you have been asked to design a database table to facilitate monthly bill generation. The bill would include details of customer calls， listed in chronological order.Which method would you follow to achieve this objective without increasing the overhead of sorting the rows？（） [" create a hash cluster to store the data"," create an index cluster to store the data"," create a partitioned table to store the data"," create a sorted hash cluster to store the data"," create a heap table with rowid to store the data"]
BDV和ESDV相比较开关动作时间结果如下（） ["BDV开快关慢，ESDV关快开慢","DBV关快开慢，ESDV关慢开快"]
Given： What is the result？（） ["Compilation succeeds.","Exactly one class does NOT compile.","Exactly two classes do NOT compile.","Exactly four classes do NOT compile.","Exactly three classes do NOT compile."]
View the Exhibit and examine the details of the EMPLOYEES table. The query was written to format the PHONE_NUMBER for the employees. Which option would be the correct format in the output？（） [" xxx-xxx-xxxx"," （xxx） xxxxxxx"," （xxx） xxx-xxxx"," xxx-（xxx）-xxxx"]
如果犯罪行为所造成的不法状态存在，则犯罪行为仍然存在。具备这一特征的是（） ["连续犯","想象竞合犯","牵连犯","继续犯"]
简述影响学前儿童游戏的社会环境因素。
