Find the staff name who has the maximum salary for each city.
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Find the staff name who has the maximum salary for each city.
![[MariaDB [dreamhome]> Select * from Staff;
| staffNo | fName | 1Name | position | sex
| SA9
Mary Howe
David Ford
Assistant | F
Supervisor
Assistant
Ann
Beech
Susan Brand
John
White
Julie | Lee
6 rows in set (0.001 sec)
[MariaDB [dreamhome]> Select * from Branch;
| city
SG14
SG37
SG5
SL21
SL41
+-
| branchNo | street
B002
B003
B004
B005
B007
Manager
Manager
Assistant
56 Cover Drive
163 Main Street
32 Manse Road
22 Deer Road
| 16 Argyll Street
5 rows in set (0.001 sec)
|
|
M
London
Glasgow
Bristol
London
| F
| F
| M
F
| DOB
salary
| 1970-02-19 | 9500.00
1958-03-24
| 1960-11-10 | 12000.00
|
18000.00
1940-06-03 | 24000.00
| postcode
| NW10 6EU |
G11 9QX
BS99 1NZ
SW1 4EH
Aberdeen | AB2 3SU
B003
| 1945-10-01 | 30000.00 B005
1965-06-13
9000.00
B005
| branchNo |
+
B007
B003
B003
+](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2ec814c7-90f3-4435-9bb8-fcbab3f733ac%2Fa85c50d9-49d2-4099-9cac-5e8c18e2b229%2Fysc1n1e_processed.png&w=3840&q=75)
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- 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 QuerryQ2/ 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…11. Foreign key is the one in which the ________ of one relation is referenced in another relation. a. Foreign key b. Primary key c. References d. Check constraint
- CUSTOMER (Cust#, Cname, City)ORDER (Order#, Odate, Cust#, Ord_Amt)ORDER_ITEM (Order#, Item#, Qty)ITEM (Item#, Unit_price)SHIPMENT (Order#, Warehouse#, Ship_date)WAREHOUSE (Warehouse#, City) Given the database model above, propose a solution for the below business requirement:Business requirement: Assume this database belongs to an e-commerce application and the company has several warehouses in different cities. The company wants to optimize its item shipment time. You can propose a series of SQL queries. Explain your answer in details.def distance_between_entities(entity1, entity2):"""compute the haversine distance between the two entitiesAn entity is a tuple: (ID, City, State, Latitude, Longitude):param entity1::param entity2::return: the distance (in miles) between the entities"""pass ENTITES LOOK LIKE THISID,City,State,Latitude,LongitudeA45419E,Plattsburgh,NY,44.704021,-73.471148A19312D,Aiken,SC,33.554433,-81.69588A90172S,Tuscaloosa,AL,33.170238,-87.616169A19394D,Alexandria,VA,38.819853,-77.059645A27218D,Pittsburgh,PA,40.47441,-79.950968A68626D,Meadville,PA,41.611599,-80.114891A17494D,Allentown,PA,40.602658,-75.469236A86034S,Tonawanda,NY,42.99704,-78.878659A45142D,Asheville,NC,35.602711,-82.567281A38298S,Atlanta,GA,33.844371,-84.47405A14497Y,Roswell,GA,34.055198,-84.370475A25954D,Austin,TX,30.326374,-97.771258B46374X,Fairhope,AL,30.480713,-87.861306B52199S,Cedar…Task 1:Create a database Entity and Relationship Diagram (ERD) for the following application (Submitted An image of the Diagram By using Any Application:Application: The Application idea: It is a mobile application called (Khair) to help people. This assistance is moral, material. This assistance is also provided by good people in our community. Example to understand the Application idea more: For example, a person urgently needs a medical chair or bed and does not have the ability to purchase what he needs. The medical chair or bed is requested through the application, and whoever has what he requests initiates the request through the application’s messages and determines the meeting place. Application models (page): Login included: login registration login included: user name password New registration included: name E-mail Password phone number date National Identification Number Home page included: Request - applicant name - address - send message Messages list form included: list…
- MySql Workbench 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); 1. List last name of all students whose first name is longer than 4 letters in ascending order accordingto the last name. Duplicated rows should be removed from the output.2. Count the total number of rooms in Location.3. Find the number of students in each major.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...DATABASE: library (library_name [pk], City, Phone, manager_SSN[pk, fk]) book (book_name [pk], Genre, Country) borrower (SSN[pk], Name, Birthyear, Fav book [fk], Gender) likes (SSN[pk, fk], book [pk, fk]) bookLoans (library [fk], books [fk]) manager (SSN[pk], Name, City, Address, Phone) Provide OPTIMIZED relational algebra for the following queries: 1 a) List name, gender, and age of all borrowers. b) List all male borrowers older than 65 years of age. c) List the book names loaned by at least one library and liked by at least one borrower. d) List the name and ssn of all borrowers who like their favorite bookEXPERIMENTAL PROCEDURE Patients visit the hospital and their visit history is maintained by the hospital staff. Different physicians may be available on different dates. They diagnose and treat the patients of all categories. Some of treatments are free while others are to be paid by the patients. Sample data of the case is shown in the following chart. Patient History Report PatientID Name Address Visit Date Physician Diagnosis Treatment P-100809 A City: X 12-02-2007 20-02-2007 29-02-2007 15-03-2007 Dr. Z Dr. F Dr. R Dr. L Chest Infection Cold Hepatitis-A Eyes Infection Free Free Paid Paid P-200145 N City: Y 10-01-2007 15-02-2007 25-03-2007 Dr. L Dr. K Dr. A Bone Fracture Cough Flu Paid Free Free Task 1 Draw a dependency diagram and transform the above data to first normal form by eliminating repeating groups such that each row in the relation is atomic. Be sure to create an appropriate name for the…
- 8. The following Activity table uses the JSON data type to log information about the activities of clients. ActivityID | Properties 1 | {"Order": "True", "ClientID": "Cl1", "ProductID": "P1"} 2 | {"Order": "False", "ClientID": "C12", "ProductID": "P4"} 3 | {"Order": "True", "ClientID": "C15", "ProductID": "P5"} Which of the following statements can be used to access the ClientID values in the table's Properties column? SELECT Properties =>'$.ClientID' FROM Activity; SELECT Properties :='$.ClientID' FROM Activity; SELECT Properties >'$.ClientID' FROM Activity; SELECT Properties->'$.ClientID' FROM Activity;• Write a simple stored function that Takes a gender as an input ● Find the staff whose gender matches the input Return the results Write a simple stored procedure that Takes a gender as an input Find the staff whose gender matches the input • Print the resultsChild row is a related row where there is a ? Primary key Foreign key Candidate key Composite key
