SQL (Oracle) How do I create a unique constraint to find a specific price range? i.e. between 30 - 100.
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SQL (Oracle) How do I create a unique constraint to find a specific price range? i.e. between 30 - 100.
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- SQL Database Using the types of entities database attached (trips, guides, customers, and reservations), create an example of a table that is in second normal form but not in third normal form. justify your answer and show how to convert to the higher formsSQL queries allow databases to access information quickly. Provide three examples of basic SQL SELECT queries from the Sales.Store table in the AdventureWorks Database and explain how you can best use them in a business setting.Explain the role of SQL (Structured Query Language) in database management. Provide examples of common SQL commands used for data manipulation.
- 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…Tairiq MinesError! Bookmark not defined. Tairiq Mines in Glen Austin has several parking lots, which are used by staff. Each parking lot has a unique name, location, capacity, and number of floors (where appropriate).Each parking lot has parking spaces, which are uniquely identified using a space number. Members of staff can request the sole use of a single parking space. Each member of staff has a unique number, name, telephone extension number, and vehicle license number. Write an SQL query that displays the parking space number, location as well as the name of the staff member to whom the parking space has been allocatedTairiq MinesError! Bookmark not defined. Tairiq Mines in Glen Austin has several parking lots, which are used by staff. Each parking lot has a unique name, location, capacity, and number of floors (where appropriate).Each parking lot has parking spaces, which are uniquely identified using a space number. Members of staff can request the sole use of a single parking space. Each member of staff has a unique number, name, telephone extension number, and vehicle license number. Write an SQL query that displays the parking space number, location as well as the name of the staff member to whom the parking space has been allocated. Please make the solution clear.
- Why would you want to utilize a SQL database?in database using oracle.xe how to write SQL queriesQUICK SQL REQUEST (beginner level...) Back at work on Monday morning, the Vice President of Purchasing asks you to help him with the analysis of in-process storage. He asks you to pull information regarding the number of products per storage location. The result of the query should show: - The name of the warehouse (Location) - The number of different products per storage location - The total quantity of products found at this storage location - The average price of all products found at this storage location He mentions that for the moment he is only interested in the locations that have more than 50 distinct products because he wants to start inventorying the biggest locations first. Show the locations in order of smallest to largest number of distinct products. My request is linked to the question but i'm having trouble executing it I would love to know how to do it, thanks in advance.
- Database Oracle sql Note :I hope the solution is from HR in the Oracle sql softwareDatabase design Objectives: To understand and be able to write simple SQL queries Instruction: Refer to HR schema to answer the questions Include screenshot of your code and output of each question 1. Write SQL query that displays the last name and salary of employees earning more than $12,000. 2. Write SQL query that displays the last name and department number for employee number 176. 3. Write SQL query to display the last name and salary for all employees whose salary is not in the range $5,000 through $12,000. 4. Write SQL query to display the last name, job ID, and hire date for employees with the last names of Matos and Taylor. Order the query in ascending order by hire date. 5. Display the last name and department ID of all employees in departments 20 or 50 in ascending alphabetical order by name. 6. Write a query that displays the last names of all employees who have both an “a” and an “e” in their last name. 7. Write a query to display the employee…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