Employee EMPNO NUMBER(4) - Primary Key VARCHAR2(10)- Not Null VARCHAR2(9) DATE NUMBER(7,2) NUMBER(2) - Foreign Key coming from Department table NOT NULL ENAME JOB HIREDATE SAL DEPTNO
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Dear expert write SQL statement to create the following table
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- Candidate Key is a key that may have many duplicates may be absent may be a foreign key contain only unique values and fully defines all other attributes in a rowChild row is a related row where there is a ? Primary key Foreign key Candidate key Composite keyT T i e arelation R(A, A, A3Ag)if Ay is candidate key then find the number of
- True or False: Referential integrity constraints ensure the values of a primary key are valid based on the values in a foreign key.A potential key exists for a composite primary key's property. How do you feel about this news?Course: Database *(SQL)* Please excute the given SQL script (https://drive.google.com/file/d/1zxe_aOhERjVCL54_zbgSLkFTRHYQhOPW/view?usp=sharing) for accessing the data. The data is described in the following relation schemas: Airport (airportID, name, city) Passenger (ticketNo, name, nationality, flightNo, seatNo)FK: flightNo references Flight (flightNo)FK: seatNo references Seat (seatNo) Flight (flightNo, flightCompany, departAirport, arrivalAirport)FK: departAirport references Airport (airportID)FK: arrivalAirport references Airport (airportID) Seat (seatNo, flightNo, class)FK: flightNo references Flight (flightNo) #Construct the SQL statements based on following transactions: Transaction SQL Statement Retrieve the flight number, departure and arrival airports of all British Airways. Retrieve the name of every passenger together with their flight number and the associated company. Retrieve all flights departed from all airports in London. Retrieve the ticket numbers…
- Course: Database *(SQL)* Please excute the given SQL script (https://drive.google.com/file/d/1zxe_aOhERjVCL54_zbgSLkFTRHYQhOPW/view?usp=sharing) for accessing the data. The data is described in the following relation schemas: Airport (airportID, name, city) Passenger (ticketNo, name, nationality, flightNo, seatNo)FK: flightNo references Flight (flightNo)FK: seatNo references Seat (seatNo) Flight (flightNo, flightCompany, departAirport, arrivalAirport)FK: departAirport references Airport (airportID)FK: arrivalAirport references Airport (airportID) Seat (seatNo, flightNo, class)FK: flightNo references Flight (flightNo) #Construct the SQL statements based on following transactions:1. Retrieve all rows in Airport table for all the airports in London city.2. Retrieve all British and German passengers.3. Retrieve all names of all the passengers.4. Retrieve the flight number, departure and arrival airports of all British Airways.5. Retrieve the name of every passenger together with their…Course: Database *(SQL)* Please excute the given SQL script (https://drive.google.com/file/d/1zxe_aOhERjVCL54_zbgSLkFTRHYQhOPW/view?usp=sharing) for accessing the data. The data is described in the following relation schemas: Airport (airportID, name, city) Passenger (ticketNo, name, nationality, flightNo, seatNo)FK: flightNo references Flight (flightNo)FK: seatNo references Seat (seatNo) Flight (flightNo, flightCompany, departAirport, arrivalAirport)FK: departAirport references Airport (airportID)FK: arrivalAirport references Airport (airportID) Seat (seatNo, flightNo, class)FK: flightNo references Flight (flightNo) #Construct the SQL statements based on following transactions: Transaction SQL Statement Retrieve all rows in Airport table for all the airports in London city. Retrieve all British and German passengers. Retrieve all names of all the passengers. Retrieve the flight number, departure and arrival airports of all British Airways. Retrieve the name of…Course: Database *(SQL)* Please excute the given SQL script (https://drive.google.com/file/d/1zxe_aOhERjVCL54_zbgSLkFTRHYQhOPW/view?usp=sharing) for accessing the data. The data is described in the following relation schemas: Airport (airportID, name, city) Passenger (ticketNo, name, nationality, flightNo, seatNo)FK: flightNo references Flight (flightNo)FK: seatNo references Seat (seatNo) Flight (flightNo, flightCompany, departAirport, arrivalAirport)FK: departAirport references Airport (airportID)FK: arrivalAirport references Airport (airportID) Seat (seatNo, flightNo, class)FK: flightNo references Flight (flightNo) #Construct the SQL statements based on following transactions: please if you could give all the sql statements needed i will appreciate that, and i promise to put thump up Transaction SQL Statement Retrieve all rows in Airport table for all the airports in London city. Retrieve all British and German passengers. Retrieve all names of all the passengers.…
- Student records are stored in ID number order, but accessed by grade-pointaverage for a report. Grade-point average order is a(n) ___________________order.a. imaginaryb. physicalc. logicald. illogicalA company provides reimbursement of mobile phone subscription charges toits employees belonging to the managerial cadre and above. The following recordstructure captures the details. employee number, which is designated as theprimary key, is a numerical 3-digit key. type refers to a post-paid or pre-paid classof subscription to the mobile service. subscription charges refer to thecharges incurred by the employee at the end of every month.employeenumber designation mobilenumber type SubscriptionchargesFor a sample set of records implement the file asa) an array of records (block size = 1), andb) an array of pointers to records (assume that each pointer to a record is a linkedlist of two nodes, each representing a record. In other words, each block is a linkedlist of two nodes (block size = 2)).Create table Medicine (MInventory_Id int primary key, M_Name varchar (40), Manufacturer varchar (40), Price varchar (20), Quantity int, Exp_Date date); Create table PrescriptionMedicine (Prescription_Id int primary key, MInventory_Id int); Example of a table (Medicine) Insert into Medicine values(101, ‘Biaxin’, ‘Pfizers’, ‘$10.99’, 1, 10/5/02); Insert into Medicine
