Transform the ERD below to a relational model using the text-based form. REPAIRSHOP RID Location Phone Number Capacity CAR CID Stand Type Release Date Provide your answer in the format given below. Table_Name(Column1, Column2, Column3, Column4,..) Note: Use solid line to indicate the primary keys and use dash line foreign keys. -) to indicate the

Transform the ERD below to a relational model using the text-based form. REPAIRSHOP RID Location Phone Number Capacity CAR CID Stand Type Release Date Provide your answer in the format given below. Table_Name(Column1, Column2, Column3, Column4,..) Note: Use solid line to indicate the primary keys and use dash line foreign keys. -) to indicate the

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Reference table 6-28. Include both SQL commands and results/answers in your answers. In the NONCAT table, increase the price of each item in category BRD by five percent. (Hint: Multiply each price by 1.05.) In the NONCAT table, increase the length of the DESCRIPTION column to 40 characters.
The Colombia City office of StayWell indicated that there is a new tenant by the name of Yigit Yilmaz staying at the property with an ID of 13. You need to include this new resident in the RESIDENTS table.
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)
Using the Winners table from Figure 12-2, write a parameter query that selects only an actor’s Picture field.
Use the data from the class assignment, ALTER TABLE and add two more columns Phone and email. Describe the table (show its structure) and drop the country column, describe the table (show structure). Now, create a new table based on the existing table person with the help of a subquery (The new table will contain the data from “person” table) and name the table person_self. Show its output (table created and its structure). NOTE: Use the ALTER TABLE command with ADD clause Use the ALTER TABLE command with DROPCOLUMN clause Use the CREATE TABLE command with AS (SELECT SUBQUERY) clause
The InstantRide User Satisfaction team requires the average and maximum number of rides users have taken so far with InstantRide. In addition, they would like to know the total number of travels. However, they need these details with the corresponding column names Average, Maximum and Total by using the AVG, MAX and SUM functions. In order to accomplish this, you will first need to create a derived table from the TRAVELS table to pass the TRAVEL_ID count to the three mathematical functions.
Modify the SELECT statement to select the title and release date of PG-13 movies that are released after February 1, 2008. Run your solution and verify the result table shows just the titles and release dates for The Dark Knight and Crazy Rich Asians. CREATE TABLE Movie ( ID INT AUTO_INCREMENT, Title VARCHAR(100), Rating CHAR(5) CHECK (Rating IN ('G', 'PG', 'PG-13', 'R')), ReleaseDate DATE, PRIMARY KEY (ID)); INSERT INTO Movie (Title, Rating, ReleaseDate) VALUES ('Casablanca', 'PG', '1943-01-23'), ('Bridget Jones\'s Diary', 'PG-13', '2001-04-13'), ('The Dark Knight', 'PG-13', '2008-07-18'), ('Hidden Figures', 'PG', '2017-01-06'), ('Toy Story', 'G', '1995-11-22'), ('Rocky', 'PG', '1976-11-21'), ('Crazy Rich Asians', 'PG-13', '2018-08-15'); -- Modify the SELECT statement:SELECT *FROM MovieWHERE ReleaseDate < '2000-01-01';
Assume the PRODUCT table contains multiple rows. The following code would include: SELECT P_DESCRIPT, P_PRICE FROM PRODUCT WHERE P_CODE IN(SELECT P_CODE FROM LINE GROUP BY P_CODE HAVING COUNT(*) > 1); Group of answer choices A) Select the products that have been ordered before. B) Select the products that have been ordered at least once. C) Select the products that have been ordered at least twice. D) An error message.
For this problem create a (temporary) table called instructor_course_nums. Write a procedure that accepts an instructor ID as input. The procedure calculates the total number of course sections taught by that instructor, and adds a tuple to the temporary table consisting of the instructors ID number, name, and total courses taught - call these attributes: ID, name, and tot_courses. If the instructor already has an entry in the table,then the procedure makes sure the total number of courses taught in the temporary table is up-to-date. You must name your procedure: Written in PostgreSQL
1) Write the SQL code to add a column that shows the full name of the Employee in the Employee Table. The expecting format should be “Firstname Initial Lastname” (e.g., “John G News” for the EMP_NUM 101) 2) Write the SQL code to add a binary variable “Hire_prior_2000” in the Employee table. If the hire year (year of hire needs to be identified) is prior to 2000, then Hire_prior_2000=1, other wise Hire_prior_2000=0.
7-Display last name of employees whose manager is KING.8-Display last name, salary and job title of all employees who earns more than the lowest salary. (Employees andJobs)9-Display all employees including King, who has no manager. Order the results by the employee number.10-Display the name and hire date of any employee hired after employee Davis
MySQL 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); 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...6. Find the last name of all employees that were not hired on Tuesday *hint: (UseDATE_FORMAT() function amd the format you need is %W, also use UPPER()7. Find the number of employees in each department who have a manager.8. Find the number of employees for each manager whose employees' minimum salary is greaterthan 5000.9. Find the number of…