Which of the following represents a row in a table?a. an attributeb. a characteristicc. a fieldd. a record
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Which of the following represents a row in a table?
a. an attribute
b. a characteristic
c. a field
d. a record
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- 23. Which of the following is a group of one or more attributes that uniquely identifies a row? a. Key b. Determinant c. Tuple d. Relation15. Which one of the following attribute can be taken as a primary key ? a. Name b. Street c. Id d. DepartmentQ2/ write the schema that descibes the following relations: 1- The course relation course.id title deptname Biology Biology Biology Intro. to Computer Science Comp. Sci. Comp. Sci. Comp. Sci. Comp. Sci. Database System Concepts Comp. Sci. Elec. Eng. Finance History Music Physics credits BIO-101 Intro. to Biology 4 BIO-301 BIO-399 CS-101 CS-190 CS-315 CS-319 CS-347 EE-181 FIN-201 HIS-351 MU-199 Genetics 4 Computational Biology 4 4 Game Design Robotics Image Processing Intro. to Digital Systems Investment Banking World History Music Video Production Physical Principles PHY-101 2- The section relation course.id secid building rooIJumber timeslot.id semester ynar BIO-101 BIO-301 CS-101 CS-101 CS-190 CS-190 CS-315 CS-319 CS-319 CS-347 EE-181 1 Summer Summer Fall 2009 Painter 514 514 101 101 3128 2010 Painter 2009 Packard 1 Spring 1 Packard 2009 Taylor 2009 Taylor 2010 | Watson 2010 2010 Spring Spring E Spring 3128 120 100 3128 3128 Spring 2. Watson 2010 Taylor 2009 Taylor 2009 Taylor…
- Write a SQL statement that will add the below row to the Task table.TaskID Description Duration StartDate TeamMemberID4 Implementemailnotifications2Alter 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 state6. Which of the following is the structure of the Database? a. Table b. Schema c. Relation d. None of these
- Task 4- Normalisation I. Which normal form is the following table in? II. Transfer the table to 3rd Normalised form and show the conversion to the third form. In each normal form, show the tables, Primary Keys and Foreign keys. II. AgreementID Duration(months) |UnitID UnitAddres NoOfRooms Building!D BuildingName BuildingAddress Signingdate 2 BO01 2 BO02 2 BO02 1 BO04 2 BO03 AGO01 AGO02 AGO03 12 U001 6 U002 12 U002 6 U003 Marsfiled Chatswood Chatswood Burwood Marsfiled White Palace Ryde Martin Place 20/04/2021 13/05/2019 13/02/2020 20/04/2021 13/07/2018 12/02/2021 Parramatta Martin Place Parramatta AGO02 AGO01 Saunders Close Wagga Wagga Twin Tower Wollongong Saunders Close Wagga Wagga 12 U001 AGO04 18 U003 Burwood 1 BO04Which of the following represents a field in a table?a. a recordb. a rowc. a columnd. an entityDatabase 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.
- Which are the types of Triggers?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 with the lesson date/time, horse ID, and the student's first and last names. Order the results in ascending order by lesson date/time, then by horse ID. Unassigned lesson times (student ID is NULL) should not appear in the schedule.Use 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.