Convert the following relational algebra expression into an equivalent expression that will probably be less expensive to evaluate.
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Convert the following relational algebra expression into an equivalent expression that will probably be
less expensive to evaluate.
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- EMPLOYEE->(EmpID.Firstname Lastname HowS worked, Salary, SupervisorID.DepartmentID) DEPENDANT->(DependantID.Firstname.Lastname Age EmpID) SUPERVISOR->($upervisorID.Firstname LastnamEAddress) DEPARTMENT->(DepartmentID.departmentnaạme) i. Retrieve all employees in "sales department" whose salary is between Ksh 30,000 and Ksh 80,000. Retrieve the names of all employees in "marketing department" who work more than 10 hours and are şupervisedd by "Fredrick Khamati". List the names of all employees who have a dependent with the same first name as ii. iii. themselves. iv. Retrieve all supervisors whose address is in "Nanyuki". For each department, retrieve the departmentID, the number of employees in the department, and their average salary. Using a stored procedure.increase employee salary by 3% if his/her salary is below Ksh 20000 V. vi.Complete the following function according to its docstring. def check_password_exclusive(passwd: str) -> bool: """ An exclusive strong password has a length greater than or equal to 6, and contains ONLY letters and numbers. Return True if and only if passwd is considered an exclusive strong password. >>> check_password_exclusive('I<3csc108!') False >>> check_password_exclusive('time2sleep4me') True """Identify the difference between blocking and non-blocking assignments. Explain the situation when you would be using them in your Verilog code.
- dont copy else downvote5. calculate_new_balance Given a starting balance (a number), and a list of transaction tuples, calculate the final balance for an account. Transaction tuples are of the shape ("description", amount, "withdrawal") , or ("description", amount, "deposit"). The last entry in the tuple will be either "withdrawal" or "deposit". Every withdrawal decreases the balance of the account by the specified amount, and every deposit increases the balance. The return value is the new account balance, as a number. (which could be negative) Sample calls should look like: >>> calculate_new_balance(100, [("payday", 20, "deposit"), ("new shoes", 50, "withdrawal"), ("illicit winnings", 200, "deposit")]) 270 >>> calculate_new_balance (100, []) 100Fix the following code:Dim dblRegularPay As DoubleDim dblOvertimePay As DoubleintRegularPay = 783.87intOvertimePay = 105.92lbl.TotalPay = (dblRegularPay + dblOvertimePay).ToString ('C')
- Convert the following NFA to a DFA. For full credit, your DFA states should be labeled indicating the sets of the NFA states(e.g., q12 indicates{q1, q2}).Dont copy.CUSTOMER (cid, name, phone_number, address) LOCATION (lid. title, city, country) TRIP (tid, lid, trip_date, duration_in_days, price) BOOKING (cid, tid) Find the trip bookings of "Joe Smith". Your answer: O (ti>|3i( € Booking A3ci( € Customer An "Joe Smith" O ti>|3 ci ( € Booking A3 ci, n ( E Customer An-"Joe Smith" ) o ti>|3 ci ( € Booking A 3n, pn, a ( € Customer An- "Joe Smith" )) (|3 ci, ti ( € Booking A 3 ei, n, pn, a ( €E Customer An-"Joe Smith" ))
- Use Python Programming - restaurant reservation program. The application offers different reservation rate for adults and children. (see sample below) RESTAURANT RESERVATION SYSTEMSystem Menua. View all Reservationsb. Make Reservationc. Delete Reservationd. Generate Reporte. Exit 2. When the VIEW RESERVATIONS is clicked, this will display all the reservations made: # Date Time Name Adults Children 1 Nov 10, 2020 10:00 am John Doe 1 1 2 Nov 25, 202011:00 am Michelle Franks 2 1 3 Dec 10, 2020 9:00 am Ella Flich 1 1 4 Dec 21, 2020 12:00 pmDylan Cloze 2 1 3. If the user selects MAKE RESERVATION, the user needs to input the following: a. Name (String)b. Date (String)c. Time (String)d. No of Adults (Integer)e. No of Children (Integer) Note: Adult is 500 per head and Kids is 300 per head reservation, save the data in a text file. 4. If DELETE RESERVATION is selected, the user needs to input the reservation number to remove the existing reservation. 5. If the GENERATE REPORT is clicked,…Use Python Programming - restaurant reservation program. The application offers different reservation rate for adults and children. (see sample below) RESTAURANT RESERVATION SYSTEMSystem Menua. View all Reservationsb. Make Reservationc. Delete Reservationd. Generate Reporte. Exit 2. When the VIEW RESERVATIONS is clicked, this will display all the reservations made: # Date Time Name Adults Children 1 Nov 10, 2020 10:00 am John Doe 1 1 2 Nov 25, 202011:00 am Michelle Franks 2 1 3 Dec 10, 2020 9:00 am Ella Flich 1 1 4 Dec 21, 2020 12:00 pmDylan Cloze 2 1 3. If the user selects MAKE RESERVATION, the user needs to input the following: a. Name (String)b. Date (String)c. Time (String)d. No of Adults (Integer)e. No of Children (Integer) Note: Adult is 500 per head and Kids is 300 per head reservation, save the data in a text file. 4. If DELETE RESERVATION is selected, the user needs to input the reservation number to remove the existing reservation. 5. If the GENERATE REPORT is clicked,…Create a function which validates whether the path between rooms is possible. The hallway will be given as the letter "H" Examples possiblePath([1, "H", 2, "H", 3, "H", 4]) → true possiblePath(["H", 3, "H"]) → true possiblePath([1, 2, "H", 3]) false