【单选题】$a="字is5.0";$b=(float)$a;则$b的结果是什么?
【简答题】我市某中学要印制本校高中招生的录取通知书,有两个印刷厂前来联系制作业务,甲厂的优惠条件是:按每份定价1.5元的八折收费,另收900元制版费;乙厂的优惠条件是:每份定价1.5元的价格不变,而制版费900元则六折优惠.且甲乙两厂都规定:一次印刷数量至少是500份. (1)分别求两个印刷厂收费y(元)与印刷数量x(份)的函数关系,并指出自变量x的取值范围. (2)如何根据印刷的数量选择比较合算的方案?如...
【多选题】You are configuring the PROD database to use an internal tuning algorithm to monitor the performance of the workload. To achieve this configuration, you specify the following parameter settings in the...
A.
Modifying the SHARED_POOL_SIZE initialization parameter cannot be accomplished if the SGA_TARGET initialization parameter is set to a non-zero value.
B.
Modifying the value of the SHARED_POOL_SIZE initialization parameter to zero is not allowed if the SGA_TARGET initialization parameter is set to a nonzero value.
C.
Increasing the value of the SHARED_POOL_SIZE initialization parameter does not increase the shared pool component size. It sets the lower limit for the size of this component.
D.
Decreasing the value of the SHARED_POOL_SIZE initialization parameter does not reduce the size of the shared pool component immediately. It sets the lower limit for the size of this component.
E.
Increasing the value of the SHARED_POOL_SIZE initialization parameter immediately increases the shared pool component to the desired size by reallocating the additional memory from the auto-tuned memory components.
F.
Decreasing the value of the SHARED_POOL_SIZE initialization parameter immediately shrinks the shared pool component to the desired size while reallocating the released memory to the memory components that are not auto-tuned.
【单选题】In your running instance, some of the initialization parameters are set as shown below: SGA_MAX_SIZE = 14GB DB_CACHE_SIZE = 1GB SHARED_POOL_SIZE = 3GB STATISTICS_LEVEL = BASIC PGA_AGGREGATE_TARGET...
A.
The STATISTICS_LEVEL initialization parameter is set to BASIC
B.
The PGA_AGGREGATE_TARGET initialization parameter is set to zero.
C.
The SGA_MAX_SIZE initialization parameter is set to less than 20 GB
D.
The DB_CACHE_SIZE initialization parameter is set to less than 5 GB
E.
The SHARED_POOL_SIZE initialization parameter is set to a nonzero value.
【单选题】Culture is often defined as a set of shared principles and values. Yet as the world approaches greater and greater degrees of globalization, global subcultures begin to emerge. The movement is one suc...
A.
men and women had different jobs
B.
people had jobs for life
C.
people's values changed
D.
people received a good education
【判断题】在金蝶k3系统中,试算平衡,即核算借方金额是否等于贷方金额,通常要在人民币币别下进行核算。
【简答题】Fill in the blanks with the following words. Change the forms where necessary. Being able to clearly _______ a differing perspective should be central to your business plan. Her presence _______ an ai...