Examine the structure of the EMPLOYEES and DEPARTMENTS tables: EMPLOYEESColumn name Data type Remarks EMPLOYEE_ID NUMBER NOT NULL, Primary Key EMP_NAME VARCHAR2 (30) JOB_ID VARCHAR2 (20) SALARY NUMBER MGR_ID NUMBER References EMPLOYEE_ID COLUMN DEPARTMENT ID NUMBER Foreign key to DEPARTMENT ID column of the DEPARTMENTS table DEPARTMENTSColumn name Data type Remarks DEPARTMENT_ID NUMBER NOT NULL, Primary Key DEPARTMENT_NAME VARCHAR2(30) MGR_ID NUMBER References MGR_ID column of the EMPLOYEES table Evaluate this SQL statement: SELECT employee_id, e.department_id, department_name, salary FROM employees e, departments d WHERE e. department_id = d.department_id; Which SQL statement is equivalent to the above SQL statement? （） SELECT employee_id, department_id, department_name, salary FROM employees WHERE department_id IN (SELECT department_id FROM departments);。 SELECT employee_id, department_id, department_name, salary FROM employees NATURAL JOIN departments;。 SELECT employee_id, d.department_id, department_name, salary FROM employees e JOIN departments d ON e.department _ id = d. department_id;。 SELECT employee_id, department_id, department_name, Salary FROM employees JOIN departments USING (e.department_id, d.department_id)。
施肥的方法之根施法
A server is experiencing performance issues and the SAN could be a potential bottleneck. Which command will show the queue depth of hdisk1？（） lspv hdisk1。 lscfg hdisk1lscfg ？ hdisk1。 lsdev c hdisk1lsdev ？c hdisk1。 lsattr l hdisk1lsattr ？l hdisk1。
A retailer is considering deploying an online transaction application on xSeries to serve their buyers. The server will need no more than four processors and will run on Red Hat Linux AS. The storage requirement is for 5TB of usable storage， and the maximum memory requirement is 4GB of RAM. Which solution will provide the best price and performance while maintaining fault tolerance？（） An x260 with dual fault tolerant ServeRAID adapters and 12 internal drives。 An x366 with dual fault tolerant NICs with a single Fibre HBA directly attached to a DS4300 with three EXP710s fully populated with 146GB Fibre Drives。 An x366 with dual fault tolerant NICs and two Fibre HBAs directly attached to a DS4300 Turbo with three EXP700s fully populated with 146GB drives。 An x445 server with dual fault tolerant HBAs and a DS4500 with two additional EXP710s fully populated with 146GB Drive。
Consider the following code snippet： BEGIN DBMS_SCHEDULER.SET_ATTRIBUTE （ name => ，，lne_job1， attribute => ，，job_priority， value => 1）； END； / If this code were executed， which of the following statements would be true？（） The priority of the lne_job1 job would be set to 1.。 The lne_job1 job would be executed synchronously.。 The lne_job1 job would run immediately in the users current session.。 The lne_job1 job would retain its current priority.。 The job will immediately take priority over all running jobs.。
Which of the following are valid settings for the NLS_COMP parameter?（）
