When naming a table what prefix would you use?

Create a table named company with these columns: Company_id varchar(255) Company_name varchar(255) default ‘x’ Hq_phone_number varchar(255) Primary key of company_id (please use constraint format) Unique key of Hq_phone_number (please use constraint format)

SQL Help The Car Maintenance team wants to learn how many times each car is used in every month and day to organize their maintenance schedules. The team wants a table with the following column names and information: Car ID Month Day Count You need to create a summary table using the WITH ROLLUP modifier and grouped by the specific column names, listed above, and send the data back to the team. Query the frequency of each car's use by month and day

SQL DML/DDL There are five tables describing employees of a company, departments, buildings, which department(s) an employee works in (and a percentage of the time for each), and in which building an employee works (an employee may have more than one office). The primary key of each table is the attribute(s) in capitals and underlined. The foreign keys are in italics. Other attributes are not necessarily unique.Employee (EID, Ename, Salary, Start_Date, End_Date)Building (BID, Bname, Address)Department (DID, Dname, Annual_Budget)In_Department (EID, DID, Percentage_Time)In_Building (EID, BID)Write the SQL statements for the following.1. Find the names of Departments where NO employees work. 2. For employees who are still working in the company, end date has no value (empty). For those who have left the company and have end date values, show their names and the duration of their employment in years.  3. Find the names of buildings where more than 50 employees work.  4. The tables have…

Database sql 1-Write the syntax to create an object table called people using people_type

Employee table: (E_Id,E_name,dept_name,Salary) Write Update query Increase salary by 5000 if salary between 30000 to 35000 Increase salary by 7000 if salary between 35001 to 41000 Increase salary by 9000 if salary between 41001 to 46000

Instructorld 1 • Courseld CourseCode 9630 MATH109 Course CourseName Linear Algebra Capacity 175 4964 PHILAT Intro to Philosophy 50 4253 MATH19 Number Theory 150 1896 HIST66 American History 25 8048 HIST58 World History 125 2133 Instructor Instructorld InstructorName Rank Department Del Day Associate Professor Math Rob Ruiz Associate Professor Philosophy Aya Diaz Associate Professor History Note: Both tables may not be necessary to complete this level. Select the rows returned by the query below. SELECT CourseName, Capacity, InstructorId FROM Course C WHERE Capacity > (SELECT AVG (Capacity) FROM Course WHERE InstructorId = c.InstructorId); CourseName Linear Algebra Capacity Instructorld 175 1 Intro to Philosophy 50 2 150 Number Theory American History 25 World History 125 2133