坡屋面应选用（）的防水材料。 耐候性好。 与基层黏结力强、感温性大。 适应位移能力强。 与基层黏结力强、感温性小。
When setting arguments for a job， which procedure do you use for types that cannot be implicitly converted to and from a VARCHAR2 datatype？（） SET_JOB_ARGUMENT_VALUE。 SET_JOB_VALUE_ANYDATA。 SET_JOB_ANYDATA_VALUE。 SET_SPECIAL_JOB_VALUE。 SET_JOB_ANYTYPE_VALUE。
（）采取有效措施保证总承包单位质量管理体系在本项目中的持续有效的运行； 合同管理。 项目总工程师。 招标管理。 投资管理。
Evaluate the SQL statement: 1 SELECT a.emp_name, a.sal, a.dept_id, b.maxsal 2 FROM employees a, 3 (SELECT dept_id, MAX(sal) maxsal 4. FROM employees 5 GROUP BY dept_id) b 6 WHERE a.dept_id = b.dept_id 7 AND a. asl < b. maxsal; What is the result of the statement? （） The statement produces an error at line 1.。 The statement produces an error at line 3.。 The statement produces an error at line 6.。 The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all departments that pay less salary then the maximum salary paid in the company.。 The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all employees who earn less than the maximum salary in their department.。
What is the primary use of the IBM Configuration & Options Guide （COG）？ （） IBM System x ServicePac part number look up。 Operating system and part number look up。 General server information and part number look up。 Software compatibility chart。
某小规模商业企业，2001年9月销售百货用品取得收入24000元，则销售额为（）。
