SELECT last_name, department_name FROM employees NATURAL JOIN departments;
SELECT last_name, department_name FROM employees JOIN departments ;
SELECT last_name, department_name FROM employees e JOIN departments d ON (e.department_id = d.department_id);
SELECT last_name, department_name FROM employees e RIGHT OUTER JOIN departments d ON (e.department_id = d.department_id);
SELECT last_name, department_name FROM employees FULL JOIN departments ON (e.department_id = d.department_id);
SELECT last_name, department_name FROM employees e LEFT OUTER JOIN departments d ON (e.department_id = d.department_id);
第1题:
A.120M
B.320M
C.480M
D.600M
第2题:
Click the Exhibit button.Given the configuration shown in the exhibit, which configuration object would be used to associate both Nancy andWalter with firewall user authentication within a security policy?()
A. ftp-group
B. ftp-users
C. firewall-user
D. nancy and walter
第3题:
Exhibit: You are developing a Web application. The Web application uses a GridView control to display data. You build your Web Forms for the Web application by dragging and dropping tables from the Data Connections tree in Server Explorer. You need to add a connection to your data by using the Add Connection dialog box as shown in the exhibit. During the process, you need to configure the .NET Data Provider that you use to create the data source objects. What should you do?()
A. Right-click the connection, and click Properties. Modify the Provider property of the data connection.
B. Click the Change button, and change the data provider for the selected data source.
C. Click the Advanced button, and change the Data Source property to the target provider.
D. Click the Advanced button, and change the Application Name property to the target provider.
第4题:
Click the Exhibit button to examine the data of the EMPLOYEES table. Evaluate this SQL statement:SELECT e.employee_id "Emp_id", e.emp_name "Employee", e.salary, m.employee_id "Mgr_id", m.emp_name "Manager"FROM employees e JOIN employees m ON (e.mgr_id = m.employee_id)AND e.salary > 4000;What is its output?()
A.A
B.B
C.C
D.D
E.E
第5题:
A.1
B.100
C.110
D.255
第6题:
Click the Exhibit button and examine the data in the EMPLOYEES table.Examine the subquery:SELECT last_nameFROM employeesWHERE salary IN (SELECT MAX(salary)FROM employeesGROUP BY department_id);Which statement is true?()
A.The SELECT statement is syntactically accurate.
B.The SELECT statement does not work because there is no HAVING clause.
C.The SELECT statement does not work because the column specified in the GROUP BY clause is not in the SELECT list.
D.The SELECT statement does not work because the GROUP BY clause should be in the main query and not in the subquery.
第7题:
A. RIP
B. OSPF
C. BGP and RIP
D. RIP and PIM
第8题:
A.300-100-100-100-100
B.300-300-100-100-100
C.300-300-300-100-100
D.300-300-300-300-100
第9题:
A. static source pool
B. interface source pool
C. source pool with PAT
D. souce pool without PAT
第10题:
Click the Exhibit button and examine the data from the ORDERS and CUSTOMERS tables.Evaluate the SQL statement:SELECT *FROM ordersWHERE cust_id = (SELECT cust_idFROM customersWHERE cust_name = ‘Smith‘);What is the result when the query is executed?()
A.A
B.B
C.C
D.D
E.E