The CUSTOMERS table has these columns: CUSTOMER_ID NUMBER(4) NOT NULL CUSTOMER_NAME VARCHAR2(100) NOT NULL STREET_ADDRESS VARCHAR2(150) CITY_ADDRESS VARCHAR2(50) STATE_ADDRESS VARCHAR2(50) PROVINCE_ADDRESS VARCHAR2(50) COUNTRY_ADDRESS VARCHAR2(50) POSTAL_CODE VARCHAR2(12) CUSTOMER_PHONE VARCHAR2(20) The CUSTOMER_ID column is the primary key for the table. Which two statements find the number of customers? （） SELECT TOTAL(*) FROM customer;。 SELECT COUNT(*) FROM customer;。 SELECT TOTAL(customer_id) FROM customer;。 SELECT COUNT(customer_id) FROM customer;。 SELECT COUNT(customers) FROM customer;。 SELECT TOTAL(customer_name) FROM customer。
未履行社会保险法定职责的社会保险经办机构及其工作人员，由社会保险行政部门责令改正。
When does the Online Planning Worksheet tool run a validation？（） When loading and activating a definition file into an inactive cluster。 When exporting a definition to a cluster node or saving a definition file。 When importing a definition from an active cluster or saving a definition file。 When loading a definition into an active cluster or synchronizing a definition file。
工程承建合同对业主向承建单位的索赔，（）。 只规定了索赔期限，未规定监理机构的受理程序。 只规定了监理机构的受理程序，未规定索赔期限。 既规定了监理机构的受理程序，又规定了索赔期限。 既未规定监理机构的受理程序，又未规定索赔期限。
An x445 with two 3.0GHz DP processors and 2GB of RAM is running a processor-intensive floating-point geological application that calculates pressures in the earth’s crust. It takes a long time for each calculation， and the director of computing wants the calculations to take less time. Memory addressed by the application may also be a bottle neck. Which of the following will most improve the ability to run the calculations in less time？（） Replace the two 3.0 GHz DP processors with four 3.0GHz MP processors with a 4MB L3 cache and 4GB of RAM。 Replace the x445 with an x366 with four 3.66 EM64T processors with a 1MB L2 cache and 4GB of RAM。 Replace the two 3.0GHz DP processors with two 3.0GHz MP processors with a 4MB L3 cache and 2GB RAM。 Replace the two 3.0GHz DP processors with four 3.0 GHz DP processors with a 512KB L2 cache and 4GB RAM。
患者，男性，65岁。因急性双下肢动脉闭塞入院，入院当日患者尿量为50ml。对该患者的叙述下列最准确的是（）
