委托是值类型。
简要叙述房地产评估成本法的适用范围。
Which three functions are performed by the SQL Tuning Advisor?（） Building and implementing SQL profiles。 Recommending the optimization of materialized views。 Checking query objects for missing and stale statistics。 Recommending bitmap, function-based, and B-tree indexes。 Recommending the restructuring of SQL queries that are using bad pla。
热油系统供用户按温度不同分为二种，其温度为（） 310℃，165℃。 320℃，176℃。 315.6℃，176.7℃。
Examine the structure of the EMPLOYEES and DEPARTMENTS tables: EMPLOYEES EMPLOYEE_ID NUMBER DEPARTMENT_ID NUMBER MANAGER_ID NUMBER LAST_NAME VARCHAR2(25) DEPARTMENTS DEPARTMENT_ID NUMBER MANAGER_ID NUMBER DEPARTMENT_NAME VARCHAR2(35) LOCATION_ID NUMBER You want to create a report displaying employee last names, department names, and locations. Which query should you use?（） SELECT e.last_name, d. department_name, d.location_id FROM employees e NATURAL JOIN departments D USING department_id ;。 SELECT last_name, department_name, location_id FROM employees NATURAL JOIN departments WHERE e.department_id =d.department_id;。 SELECT e.last_name, d.department_name, d.location_id FROM employees e NATURAL JOIN departments d;。 SELECT e.last_name, d.department_name, d.location_id FROM employees e JOIN departments d USING (department_id )。
Which of the following CRS upgrades are allowed?（）
