简述贯彻民主管理原则应注意的问题。
A customer wants to implement the Software Inventory capabilities of IBM Director in their environment of 50 servers， 500 laptops and 150 desktops.Which of the following would represent a minimum valid configuration to support this solution？（） Windows 2000 server with 2GB free space， 2GB RAM and dual 1 GHz proc， using Access 2003。 Linux with 2.6 kernel and 2GB free space， 2GB RAM and dual 1 GHz proc， using MySQL。 Windows 2000 server with 2GB free space， 2GB RAM， dual 1 GHz proc with SMBIOS using MS Jet database。 Windows 2003 server with 2GB free space， 2GB RAM， dual 1 GHz proc with SMBIOS using MS SQL database。
当机械的主激励频率低于支承系统一阶固有频率的支承称为：（）。 刚性支承。 弹性支承。 柔性支承。
（）气瓶：以金属材料为内层筒体（亦称瓶胆）其外侧缠绕高强纤维并以塑料固化作为加强层的复合气瓶。 玻璃钢。 钢制焊接。 复合气瓶。
Examine the structure if the EMPLOYEES table: Column name Data Type Remarks EMPLOYEE_ID NUMBER NOT NULL, Primary Key EMP_NAME VARCHAR2(30) JOB_ID VARCHAR2(20) NOT NULL SAL NUMBER MGR_ID NUMBER References EMPLOYEE_ID column DEPARTMENT_ID NUMBER Foreign key to DEPARTMENT_ID column of the DEPARTMENTS table You need to create a view called EMP_VU that allows the user to insert rows through the view. Which SQL statement, when used to create the EMP_VU view, allows the user to insert rows? （） CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, department_id FROM employees WHERE mgr_id IN (102, 120);。 CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, job_id department_id FROM employees WHERE mgr_id IN (102, 120);。 CREATE VIEW emp_Vu AS SELECT department_id, SUM(sal) TOTALSAL FROM employees WHERE mgr_id IN (102, 120) GROUP BY department_ id;。 CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, job_id, DISTINCT department_id FROM employee。
Which view shows all valid values for the NLS_LANGUAGE， NLS_SORT， NLS_TERRITORY， and NLS_CHARACTERSET parameters？（）
