phishing test for employees

Phishing has received more and more attention due to its serious harm to the interests of netizens and the Internet Reputation System. An Anti-Phishing Group (APWG, Anti-Phishing Working Group) has been set up internationally ), this is a joint agency with approximately 800 members from approximately 490 financial service companies, technical companies, service p

received the username and password of oschina, which has been replaced by someone, well, log in and send a message to see if this is a message I sent using the user name and password I just received, because I contacted sweet potato before the test, but he went to Zhou Gong, so send a message and then. Now that the test was successful, programmers found this situation and posted a post. It seems that progr

Label: Sql> Select * fromEmployees D, departments twhered.department_id=t.department_id; 106rows selected. ExecutionPlan ---------------------------------------------------------- PlanHash value:1343509718 -------------------------------------------------------------------------------- ------------ |Id|Operation|Name|Rows|Bytes|Cost (%CPU)|Time| -------------------------------------------------------------------------------- ------------ | 0 | SELECTSTATEMENT| | 106 | 9540

Sql> Select Count(*) fromemployees; COUNT(*)---------- 107ExecutionPlan----------------------------------------------------------PlanHash value:3580537945-------------------------------------------------------------------------|Id|Operation|Name|Rows|Cost (%CPU)|Time|-------------------------------------------------------------------------| 0 | SELECTSTATEMENT| | 1 | 1(0)| xx:xx: on || 1 |SORT AGGREGATE| | 1 | | || 2 | INDEX

salary, direct check department certainly not get, need two table joint query, may write this piece of sql:SELECT AVG as avg_sal,d.dep_no,d. ' Name ' from WHERE= e.dep_noGROUP by d.dep_no,d. ' Name ';The reason why Dep_no,name two fields as a group field is because there is name in the following query target, and Dep_no as a unique identifier of the department, it is a natural grouping field, taking into account that the query results in this section are linked to the employee table, and th