deployed with protected ports cannot communicate with each other.
If you configure pvlan on a layer-3 switch and the layer-3 switch is still a DHCP server, you need to configure a multi-layer switch hybrid port (that is, int VLAN *).
When configuring a DHCP server on a multi-layer switch, you must configure the VLAN interface address of the VLAN where the host is located, because DHCP uses UDP, dhcp on the vswitch finds the DHCP network segment corresponding to the VLAN Interface and assi
is performed on the specified port of the DP (designated port), and the port will not change. It will only be DP, which can prevent the newly added switch from becoming root, the port becomes a permanent DP. If the newly added vswitch wants to become root, its port cannot work until the new vswitch requests complete Rp. Show spanning-tree inconsistentport
Root guard configuration (interface mode ):
Spanning-tree root guard (3750: spanning-tree guard root)
This feature must be configured on a
Topic addressTopic Description
Find out all employees ' current (to_date= ' 9999-01-01 ') specific salary salary situation, show only once for the same salary, and display in reverse order
CREATE TABLE ' salaries ' (
' emp_no ' int (one) not null,
' salary ' int (one) not null,
' from_date ' date not null,
' to_
Title:Check out the name of each employee, salary, department name, salary at the company level and the name of the leader, the salary of the leader, and the corresponding rank of the leaderThis is the EMP below the default Scott user of Oracle. A study questions between the Dept and the Salgrade table.Employee table (EMP)Records the basic information of each emp
There is a period of time did not do the database problem, the interview by chance to do so a topic, feel good, with memory will be written down, and then implemented in the database once.The topic is like this: an Employee table employee, including field id,name,salary,dep_no; A Departmental Information table department, which contains field Id,dep_no,name, where employee dep_no is associated department dep_no; Write SQL find out the names, salaries,
The employee's name, salary, Department name, salary level in the company and the name of the leader, the salary of the leader, and the level corresponding to the leader are displayed.
Example:
The employee's name, salary, Department name, salary level in the company and the
The name and salary of the employee whose salary is above the average salary of the department
Demolition: 1 The average salary of the department; 2 higher than the average employee's name and salary
1 average salary of the
Interview when all talk about business planning, talk about ideals, painting pie but is not talking about the salary of the company, when I asked the answer is: "We do not have a fixed salary, we do is creative, according to the workload per month, you can rest assured that the level of the industry must be higher." "There was something wrong at the time, but it was not specific, so he refused to offer, the
A programmer with a monthly salary of 30 thousand tells you a secret that a monthly salary of 30 thousand programmers
Is the programmer's salary high now? The programmer's salary is high or low. Some may take 30 K or 50 K a month, and some may only have 2 K or 3 K. The programmer's
Software Industry salary announcement: High resignation rate, high salary and high welfare
For a long time, the software industry has attracted high salaries. But behind the high salary, is the "salary" of employees in the software industry really happy? Recently, the Municipal Labor and Social Security B
SAP uses wage levels to manage different wage systems. There are four different levels in the SAP system:
Pay Scale type: the wage system, such as the position salary and annual salary.
Pay Scale area: the area of the wage system, which is generally divided by region. For example, the job salary system is the same, and the Northeast and South China
PHP salary management system, attendance management system, and salary management system a simple salary management system developed by myself using PHP. it can be imported to the PHP salary management system based on the attendance data of the attendance machine, then, based on the personnel wage system, calculate the
[Plain]/* Start the comments in the program header (to avoid any problems encountered during the submission of blog posts, the slash used to indicate that the comments have been deleted)* Copyright and version Declaration of the program* All rights reserved.* File name: txt. c* Author: liuyongshui* Question: (answer 50) the salary of a software engineer is incorrect. Our work experience and efficiency have been improved year by year, so this company w
The Employee table holds all employees. Every employee has an ID, a salary, and there are also a column for the department ID.+----+-------+--------+--------------+| Id | Name | Salary | DepartmentID |+----+-------+--------+--------------+| 1 | Joe | 70000 | 1 | | 2 | Henry | 80000 | 2 | | 3 | Sam | 60000 | 2 | | 4 | Max | 90000 | 1 |+----+-------+-
required by the company. In his own words, "living a non-human life is a debt owed for the past four years. On the one hand, I am working and paying off my debts ", two years later, I became familiar with everything and started to have a comfortable day. However, at this time, he chose to switch to 3rd companies, still a foreign company, and his work is different from many of the original, so he is very nervous about work, business trips, overtime, in his own words, "There is not much time of h
Database questions-higher than the average department salary query problem, the average department salaryQuestion: find out the name, salary, Department number, and average salary of the employee higher than the average salary of the Department
1. First, find the average salary
I am using a simple salary management system developed by PHP, which can be imported to the PHP Salary Management System Based on the attendance data of the attendance machine, and then according to the personnel salary system, calculate the amount of wages to be deducted, such as late arrival, early leave, absence, leave, sick leave, marriage, and maternity leav
. Deputy Director of IT department of the company through the Enterprise QQ said in advance to let me go to the salary is not much more than 3,000, and this time I in the Beijing Peak course has been a large part. I suddenly received a positive in advance, this time I am afraid to go back to October after studying the course I want to "operation and maintenance work" bad quit, has not responded to the director. But this has been silent work, on weekda
Question 2: MySQL ---------- Second Highest Salary, salary
Write a SQL query to get the second highest salary fromEmployeeTable.
+----+--------+| Id | Salary |+----+--------+| 1 | 100 || 2 | 200 || 3 | 300 |+----+--------+
For example, given the above Employee table, the second highest
I. Feelings
Why?
This kind of saliva is based on about once a quarter (from the last. NET and JAVA language competition). In fact, the salary is not high,
Blame China's current software industry system and IT companies for their different purposes and situations. Another reason is that people are currently in an impetuous space.
I am also engaged in. NET development. It is an indisputable fact that Java is higher than. NET in
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