设有一个关系：DEPT（DNO，DNAME），如果要找出倒数第三个 字母为W，并且至少包含4个字母的DNAME，则查询条件子句应写成WHERE DNAME LIKE

13. A. The marketing Department B. The Production Department C. The Sales Department D. The Engineering Department

血液科 A: Surgical Department B: hematology department C: Department of Stomatology D: Internal Medicine Department

Linka Company has a total of five departments, namely, the R&D department, the finance department, the sales department, the production department and the HR department.

Consider the following query:SELECT dname, ename FROM dept d, emp e Where d.deptno=c.deptno ORDER BY dname, ename;What type of join is shown?() A: Self-join B: Equijoin C: Outerjoin D: Non-equijoin

In an information system department, the operations department is responsible for ________.

M______ (市场营销）Department is an important department in the company.

To effectively implement the marketing concept, the marketing department in an organisation needs to work with _________. A: all departments B: the production department C: the sales department D: the accounting department

If the patient has a fever and a headache, he is supposed to go to the__________. A: Internal Medicine Department B: Respiratory Department C: ENT Department D: Surgical Department

Which of the following departments is responsible for the company's computers and network? A: Sales Department B: Information Technology Department C: Research and Development Department D: Marketing Department