ngon ngon • Kiến trúc hệ điều hành Android. • Cách xây dựng và phát triển ứng dụng trên nền Android. • Tổng quan thị trường chứng khoán Việt Nam. • Dịch vụ web của sàn giao dịch (API): giá chốt phiên, liên kết server trực tiếp. • Crawl trực tiếp từ web khác. • Lưu lại theo thời gian và vẽ biểu đồ kỹ thuật. Thực hành: Thiết kế và xây dựng app với các chức năng sau: • Cập nhật giá của từng mã chứng khoán theo từng ngày. • Xem và tra cứu, theo dõi biến động giá của từng mã.
A company wants to manage all information employees After analyzing and designing, they created the following tables and relationships POSITIONS POS_ID POSID ACE ACM ITE ITM MKE MKM DEPARTMENTS POSName POSSalary POSAllowance DEP_ID DEPID Accounting Employee Accounting Manager IT Employee IT Manager Marketing Employee Marketing Manager 2700 5500 2500 6000 2300 6000 100 500 100 500 100 400 E0001 E0002 E0003 E0004 DEPName IT Accounting Maketing Security EMPLOYEES EMP_ID EMPID EMPLastName EM01 EM02 EM03 EM04 EM05 EM06 EM07 EM10 Nguyen Huu Phung Minh Bui Bach Phan Hong Ton Ngoc Nguyen Thi Pham Sy Nguyen Minh EMP FirstName Anh Thu Khoa Phuong Hien Hoa Nguyen Phuong EMP EMPDOB EMPHiredDate EMPAddress POS_ID DEP_ID Gender 1 0 1 08/10/76 15/04/83 15/12/84 25/08/72 10/10/82 10/12/82 02/10/70 10/07/80 Page 10/10/06 12/02/06 10/12/06 08/08/05 08/02/06 25/10/06 05/03/07 03/12/07 Binh Thanh District 10 District District District Binh Thanh District Binh Thanh 3 1 1 2 3 REQUIREMENTS Write SQL statements (queries) for all questions below Display Last name and First name of all employees whose last name start with “Nguyen” Display all information of employees whose age from 20 to 28 Display department(s) that doesn’t/don’t have any employees List all department(s) that have the number of employees is greater than two Display First name, Last name, Gender and Salary of employee(s) who has/have got the lowest salary Display the number of employees of each department The following is the result format: Department IT Accounting … Number of Employees … Display total payment of each department The following is the result format: Department IT Accounting … Total Payment 11700 11600 … Show all information of departments have the highest number of employees Page ...REQUIREMENTS Write SQL statements (queries) for all questions below Display Last name and First name of all employees whose last name start with “Nguyen” Display all information of employees whose age from... department The following is the result format: Department IT Accounting … Number of Employees … Display total payment of each department The following is the result format: Department IT Accounting... following is the result format: Department IT Accounting … Total Payment 11700 11600 … Show all information of departments have the highest number of employees Page