Using the ERD diagram above, identify an attribute that might represent a Derived Attribute. Once you identify, explain why this is so. Is this the only attribute? Are there others? ItemProduction_Units Sainteger(10)Ninteger( 10) NNo_of_Items_Needed integer(10) NItem_Numberitem_Numberinteger(10)Create_Date_ddateSerialinteger(10)I exact_Weight_un integer(10)ProductType_pProductDesc_dQuality_TestCost_of_Materialsvarchar(255) Nvarchar(255) Ndouble(10)Raw Materialsitem_Numberinteger(10)Material_IDinteger(10)O TypeD UnitCost_per_item numeric(19, 0)varchar(255)zzzz

In a database, the characteristics of the values are known as attributes. In a database, data are…

Answered: Using the ERD diagram above, identify…

Using the ERD diagram above, identify an attribute that might represent a Derived Attribute. Once you identify, explain why this is so. Is this the only attribute? Are there others?

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter1: Overview Of Database Concepts

Section: Chapter Questions

Problem 14MC: A unique identifier for a data row that consists of more than one field is commonly called...

See similar textbooks

Similar questions

student takes ID ID course_id sec_id semester year grade пате dept_name tot_cred section course department course_id sec_id semester year building room_no time_slot_id course_id title dept_name credits advisor dept_name building budget s_id i id time_slot time_slot_id day start_time end_time prereq instructor classroom COurse_id prereg_id ID building пате dept_name salary room_no сараcity teaches ID course_id sec_id semester year Consider the relation that results from the expression: course natural join department Which of the following functional dependencies hold for this relation? (Mark all that apply) O {title, credits} -> building O dept_name -> budget O course_id -> {budget} O {building, budget} -> dept_name O title -> credits O {course_id, title} -> credits
The following three tables make up a simple reservation system for a small campground. The database should allow for a camper to make multiple reservations for future dates and for a camping spot to have several reservations for upcoming visits. Table: Camper CAMPER_NUMBER 1000 1001 1002 1003 CAMPER_LAST_NAME Jones Schmidt Williams Cooper CAMPER_FIRST_NAME Jamie Pat Clifford Amanda CAMPER_ADDRESS 1278 Essex Pl 4954 Spangled Way 956 Segull Lane P. O. Box 998877 CAMPER_CITY El Paso Portland Portsmouth Birmingham AL CAMPER STATE TX ME OH CAMPER_ZIP_CODE 45251 79919 4108 45662 CAMPER_DRIVERS_LICENSE J1998743-98 87632434 WIL885123 765A876B897 CAMPER_EMAIL jjones@somewhere.com patwonderfu341@nowhere.net williams98342@foomail.com coopera@nowhere.net Table: Spot SPOT NUMBER 101 102 103 104 The Pines The Glade Teardrop Spot Tent In Trees SPOT_NAME SPOT LENGTH 55 50 20 0 SPOT_PULLTHRU 1 0 0 0 SPOT_ELECTRIC AMPS 50 50 20 0 SPOT WATER 1 1 1 1 SPOT SEWER 1 1 0 SPOT_RATE_WEEKDAY 35 33 12…
Table_rating table menu table_menu_type table_user menu_type_ID rating ID menu ID user_ID placed • type_name • description # menu_ID • remarks • data_recorded: date # customer ID • menu_name # price #menu_type ID • menu image ingredients #menu_status • full_name • contact • email address * username • password assigned represent table_payment payment_ID 4 order ID C# amount paid_by -payment_date # processed_by | assigned to table_customer customer_ID • Customer_first_name • customer_last_name • customer_middle_name • customer_email • customer_phone_number • customer_landline • profile_image • customer_usemame • customer password table_order_details I Jorder_details_ID include I l order_ID # menu_ID # amount # no of serving # total_amount table_site_info # account_status site_info_ID L • site_name • description • contact_info * address • last_update Huser_ID table_order part of placed by # customer_ID -order_date #total_amount Worder_status #processed_by pays orders Customers PK…
Having this information. StudentsAttribute Name Data TypeStudentID char(11)FirstName varchar(20)LastName varchar(20)Gender char(1)DateofBirth date CoursesAttribute Name Data TypeCourseCode varchar(6)CourseName varchar(70)Level char(2)Credits int RegistrationAttribute Name Data TypeStudentID char(11)CourseCode varchar(6)Grade decimal(2, 1) Write SQL code to: 1. How many courses are there on each level? 2. What is the average grade of courses that have been taken by the student with student ID 861103-2438? 3. Which students (studentID only) have the highest grade for the course ‘CS052’? 4. Find the courses (course codes only) that have been taken by both the student 861103-2438 and the student 123456-0980.
Having this information. StudentsAttribute Name Data TypeStudentID char(11)FirstName varchar(20)LastName varchar(20)Gender char(1)DateofBirth date CoursesAttribute Name Data TypeCourseCode varchar(6)CourseName varchar(70)Level char(2)Credits int RegistrationAttribute Name Data TypeStudentID char(11)CourseCode varchar(6)Grade decimal(2, 1) Write SQL code to: 1. What are the student ID, the names, and birthday of the female students who were born before the last day of 1992? 2. How many students are registered in the course “PHY210”? 3. How many courses are offered by the department of Computer Science (i.e. course codes CS***)? 4. Which course(s) (couseCode and courseName) of level G1 give 5 credits?
color descriprion model purchDate typelabel brand currentlocationID typelD typeDescr typelD carlD Car Belongs Car_Type Parked Rental CRC_Office Lessor Reservation Lessee Customer phone carlD SSN name officelD address customerID amount customerID mobile reservationID returnlocationID country state pickuplocationID pickupDate email returnDate 1) Add multiplicity and Normalize the ER diagram. 2) Identify Primary & Foreign keys. Thank you
Write an SQL query to display: The last name of the student who registered at the last. K Your output should contain 1 column in the below-mentioned order. last_name
Customers ld Username Firstname Sumame Email PostalAddress Orders Id Customorld Created Status Orderitems Orderid StyleRequested SizeRequested Stockid Shirts Stockld Style Size StoreLocation Count Which of the following statements are correct for this entity rel ionship diagram? a. There is a many to many relationship between Orderitems and Orders Ob. There is a many to one relationship between Customers and Orders c. Orderltems is a bridge table Od. There is a many to one relationship between Orderitems and Shirts □e. Orders is a bridge table Of. There is a many to many relationship between Orderltems and Shirts
Database Schema The schema for the Ch07_FACT database is shown below and should be used to answer the next several problems. Click this image to view it in its own tab. FIGURE P7.56 THE CH07_FACT ERD CHECKOUT PATRON PK Check Num PK Pat ID FK1 Book_Num FK2 Pat_ID Check_Out_Date Check_Due_Date Check_In_Date >0-----H- Pat_FName Pat LName Pat_Type BOOK AUTHOR PK Book_Num PK Au ID Book_Title Book_Year Book_Cost Book_Subject FK1 Pat_ID Au_FName Au_LName Au_BirthYear WRITES PK,FK1 Book Num PK,FK2 Au ID The CIS Department at Tiny College maintains the Free Access to Current Technology (FACT) library of e-books. FACT is a collection of current technology e-books for use by faculty and students. Agreements with the publishers allow patrons to electronically check out a book,
dentify appropriate data type to be used for all attributes and set primary key. stu_id Stu-name S SN prof_name Student mentor Professor He major GPA prof_dept Else downvote for copy and wrong Querry
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 state
pps/assessment/take/launch.jsp?course_assessment_id%-_12831_1&course_id%3D_19279_1&content_id%3D 213791 1&step=null ranslate G ITDM4111 Tuesday... b Computer Science... co Untitled2.ipynb - C... S PDF Merge Dashboard Prezi Remaining Time: 38 minutes, 06 seconds. Question Completion Status: O DataNode QUESTION 2 the performance of name node and the job tracker degrades i When the number of nodes grows beyond Hadoop version 1.0? 40000 10000 50000 30000 QUESTION 3 Which of the following is a framework used for computing large amount of data store in HDFS? NameNode