Oracle APEX. EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO) DEPT (DEPTNO, DNAME, LOC) SALGRADE (GRADE, LOSAL, HISAL)
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Following script is given to you at Google Classroom. Run script to generate tables in
Oracle APEX.
EMP (EMPNO, ENAME, JOB, MGR, HIREDATE, SAL, COMM, DEPTNO)
DEPT (DEPTNO, DNAME, LOC)
SALGRADE (GRADE, LOSAL, HISAL)
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- Attempt to view the structure of the HOMEWORK13 view.MySql Workbench CREATE TABLE students ( id INT PRIMARY KEY, first_name VARCHAR(50), last_name VARCHAR(50), age INT, major VARCHAR(50), faculty VARCHAR(50)); CREATE TABLE location ( id INT PRIMARY KEY, name VARCHAR(50), rooms INT); CREATE TABLE faculty ( id INT PRIMARY KEY, name VARCHAR(50), department_id INT); 1. List last name of all students whose first name is longer than 4 letters in ascending order accordingto the last name. Duplicated rows should be removed from the output.2. Count the total number of rooms in Location.3. Find the number of students in each major.4. Find the number of employees in each department who get no commission or have salary less than5000.5. Find the maximum salary of employees in each department that the employee was hired 15 yearsbefore now. *hint: user TIMESTAMPDIFF(<unit type>,<Date_value 1>,<Date_value 2>), the unitcan be YEAR, MONTH, DAY, HOUR, etc...C sharp Table: Student (the headers are the field names in the Students table) StudentID Name Age Gender ProgramID 791 Stephanie Brown 19 Female BCS 236 Shannon Dawn 25 Female BA 618 Geoff Berg 24 Male ARET 256 Andrew Schilling 22 Male BSC 902 Gary Sang 23 Male DAAD Note: There is a StudentDataSet with a Student table, a StudentTableAdapter, a StudentBindingSource, and a StudentDataGridView control on the form.Note: There is an Average query, named Average, that returns the average age of the student from the Student table.Note: There is also Max query, named Highest, that returns the highest age of the student from the Student table.Write the code you would place in the AverageButton click event on your form to call the Average query and the Highest query and display in a DifferenceLabel, the difference between the highest age of a student and the average age.
- How do we decide which model to create in Microsoft Access as our table creation environment?Syntax for drop table cascade constraints drop table with restrict syntax for On delete/update set defaultWrite CREATE TABLE statements to implement the following design. Include foreign key constraints. Define the individualID, and GroupID as identity columns. Decide which columns should allow null values, if any. Define Dues column with a default of zero and check constraints to allow only positive values.
- Create the table Students (sno, sname, dateofbirth, program, cgpa) Fees (sno, date, fee ) Elective (sno, subcode, sub_name) Marks (sno, subcode, marks, grade) Subject ( subcode, subjectname, credit) Constraints (dateofbirth should be less than todays date in student table) (fee can not zero or negative in fee table) (Credits can not be zero or less in subject table) Query List the name of the student who got maximum cgpa. List the maximum, average and minimum CGPA for every program List the name of students who have choosed 4 credit subject List the total fee paid by every studentsExplain the problems that unnormalized tables have for insert, update, and delete actionsDatabase for small Business Assignment Create a Database Restaurant. Create the following tables and assign primary key. Grocery (ItemID, Itemname, Price, Qty, Totalprice) Menu (DishID, DishName, Price, ItemID) Create a form with menu view using both the tables. Use Item Id, item name, price from the Grocery table and Dish Id, Dish Name, Price from the Menu table. Give titles to both the Main form and sub form. Give a background image to the form. Insert at least 5 records in both the tables using the form.
- Alter table product so that column productType is an integer instead of a varchar, not null should be maintained. Alter table product so that column productType is a foreign key to table productType, column id Alter table customer so that column zipCode is a foreign key to table çityState. column zipCode Alter table customer to drop column city and state Alter table employee so that column zipCode is a foreign key to table çityState. column zipCode Alter table employee to drop column city and state Alter table supplier so that column zipCode is a foreign key to table çityState, column zipCode Alter table supplier to drop column city and stateUse Mysql code The database has three tables for tracking horse-riding lessons: Horse with columns: ID - primary key RegisteredName Breed Height BirthDate Student with columns: ID - primary key FirstName LastName Street City State Zip Phone EmailAddress LessonSchedule with columns: HorseID - partial primary key, foreign key references Horse(ID) StudentID - foreign key references Student(ID) LessonDateTime - partial primary key Write a SELECT statement to create a lesson schedule for Feb 1, 2020 with the lesson date/time, student's first and last names, and the horse's registered name. Order the results in ascending order by lesson date/time, then by the horse's registered name. Make sure unassigned lesson times (student ID is NULL) appear in the results. Hint: Perform a join on the LessonSchedule, Student, and Horse tables, matching the student IDs and horse IDs.- Create a new table called CLERKS based on EMP table so that it contains all the clerks in EMP
