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,
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
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'
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Lesson of the Day: Ding Ting AcademyChina IT staff salary rank how much do you know? Professional IT Education Clip Ding Academy brings you together to understand: the average annual salary of Chinese IT Professionals is $42689 (about 272142 yuan), while India is $41213 and the US is $132877.650) this.width=650; "Src=" http://mmbiz.qpic.cn/mmbiz/ Nrbgbpolygiayv0n
May 13, the news released the 2015 annual average wage data for various industries, the performance of various industries. Overall, the national urban non-private sector average annual wage of 62029 yuan, the National Urban Private Unit annual salary of 39589 yuan, and our IT people pay more attention to the IT industry sal
Recently, Qian Feng and the good news: Qian Feng Python first class students graduated, only 3 weeks employment rate of up to 100%, the average salary of 13403.2 yuan! So, why are the graduates of the first class of Qian-Feng python so highly paid and employed so efficiently?First, Qian Feng Python is a true full stack of courses, but also to train students to develop logical thinking, that is, to build pyt
Tags: mod java avg End technology share his lines data functionTitle: Identify the employee's name, salary, and department number that is higher than the average wage in your department. Average wage of the departmentThe structure of the table (table named Sqltest)1, first find out the average
Https://leetcode.com/articles/average-salary-departments-vs-company/
Select date_formate (pay_date, '% Y-% m') pay_month, E. department_id,
(Case when AVG (amount) = com_avg then 'same'
When AVG (amount)> com_avg then 'higger'
Else 'lower 'end) Comparison
From salary S1
Left join employee e on S. employee_id = E. employee_id
Inner join
(Select date_format (pay_da
Title: Identify the employee's name, salary, department number, and average wage in the department above the average wage in the department
The structure of the table (table name is Sqltest)1, first find out the average wage of each department
SELECT AVG (Salary) Avg_salar
Tags: database avgTitle: Find out the employee's name, salary, department number, and average salary of the department, which is higher than the average salary of the department1, first find out the average
Tags: where sel tab share picture ideas expression results family shareFind out the number of employees and department numbers in each department with wages higher than the department's average salary, and sort by department number (expressed in SQL statement) 1. Create a table 2. Ideas: (1) First, check the average salary
The Department name, number of employees of the Department, average salary of the department, name of the employee with the lowest income of the Department, and name of the employee with the highest income are queried.
Example:
The Department name, number of employees of the Department, average salary of the department
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Title:Query the name of the department, the number of employees in the department, the average salary of the department, the name of the lowest-income employee and the highest-income employeeThis is a study questions between the EMP and Dept tables under the default Scott user of Oracle.Employee table (EMP)Records the basic information for each employeeNO Field type description1 empno Number (4) Employee ID
Original link
Programmer, do you have a drag on your salary? Published time: 2017-06-05 10:33:13 370 people pay attention to 10 people to participate in the recent average salary data published across the country, it industry's average wage ranked first in various industries, 16 programmers created the
Topic Description
The average wage corresponding to the current employee salary for each title type is counted. The result gives the title as well as the average Avg.
CREATE TABLE ' salaries ' (
' emp_no ' int (one) not null,
' salary ' int (one) not null,
' from_date ' date not null,
' to_date ' date not NULL,
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