Examine the data in the EMPLOYEES and DEPARTMENTS tables. EMPLOYEES LAST_NAME DEPARTMENT_ID SALARY Getz 10 3000 Davis 20 1500 Bill 20 2200 Davis 30 5000 Kochhar 5000 DEPARTMENTS DEPARTMENT_ID DEPARTMENT_NAME 10 Sales 20 Marketing 30 Accounts 40 Administration You want to retrieve all employees, whether or not they have matching departments in the departments table. Which query would you use?（） SELECT last_name, department_name FROM employees , departments(+);。 SELECT last_name, department_name FROM employees JOIN departments(+);。 SELECT last_name, department_name ON (e. department_ id = d. departments_id); FROM employees(+) e JOIN departments d。 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(+) , 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)。
脱丁烷塔丁烷产品中C3含量偏高可能是（） 脱丁烷塔底至沸温度高。 脱丁烷塔顶回流小。 脱丙烷塔底再沸温度偏低。
Coherence provides the ideal infrastructure for building _____ services， and the ______ applications.（） Data Grid； Client and Server based。 Outster； Client and Server based。 Data Grid；DNS based。 Cloud cluster；Client and Server based。
Which two are examples of a mouse event?（） The user clicks the mouse. 。 The user moves the mouse into an item. 。 The cursor style changes from default to busy. 。 The user moves the mouse into the window title bar.。
You work as a database administrator for Certkiller .com. You want to administer your database servers，which are running on different host machines，using the Web-enabled grid control interface. You have configured the agent on the host machines. You have started the Oracle Database 10g Grid Control utility on your machine. Which two additional components would you configure to achieve this objective？（） Application Server Control。 Oracle Management Service。 Oracle Enterprise Manager Repository。 Oracle Enterprise Manager Database Control。
赵树理为配合我国第一部婚姻法赶写的评书体短篇小说是（）
