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- Given the following relation that stores details of student registration: Stu_ID Name Town Province Course RegisteredDate S101 Malak Al Nadabi Al Khuwair Western ITDR2106 02-02-2020 S101 Malak Al Nadabi Al Khuwair Western ITDR1105 14-09-2019 S102 Nadar Al Hashli Daesit Southern ITDR1102 05-02-2020 S102 Nadar Al Hashli Daesit Southern ITDR1101 05-02-2020 S103 Basit Barkat Ruwi Central ITDR1105 06-02-2020 S104 Yeshan Al Khuwair Western ITDR2106 15-09-2019 If the functional dependencies are consistent with the above relation, put TRUE. If they are not, put FALSE. Stu_ID à Name, Town Town à Province Course à RegisteredDate RegisteredDate à Course Stu_ID, Course à RegisteredDate Stu_ID à Course Stu_IDNormalize the following form into UNF 1NF, 2NF and 3NF. Show primary keys and foreign keys for all the normalized tables (from 3NF). Employee Task Record Form EmployeelD : 587 Employee Name: Smith Department ID: D1 DeparmentName : IT Task ID Task Name Duration Supervisor ID | Supervisor Name Emp_TaskJoin_Date Designing Drawing Reporting T1 70hrs S1 Khalfan 12/12/2019 T2 56hrs S2 Fatma 01/10/2020 T3 60hrs S3 Haitham 11/11/2020Refer to the dimension tables and EmployeeFact table below. Job Date Location EmployeeFact •JobID •DatelD •LocationID • ( OEmployeelD Title FullDate StreetAddress oJobID JobCode DayNumber City PostalCode OLocationID LevelCode MonthNumber oHireDatelD OBirthDatelD ) SalaryAmount BonusAmount MonthName State Year CountryCode EducationYears PerformanceRating The following query reports the employee with the highest salary amount per postal code for employees with level code 8. Complete the missing values. SELECT CountryCode, EmployeeID, MAX(_ _(A)_ FROM (B). Location, Job WHERE EmployeeFact.LocationID = Location.LocationID AND EmployeeFact.JobID = (C). AND = 8 GROUP (A) Ex: Identifier (B) (C)
- Question 3 refers to two data tables giving the details of a company's employees and company's job titles, called EMP and JOB respectively, which have the following format: Table EMP Column type Integer Up to 10 characters Column name Example entry Description Employee ID number Employee surname EMPNO 7369 ENAME SMITH Integer Integer Employee's job title No ID no. of employee's JOBNO 10 MGR 7566 manager Date employment started Monthly salary HIREDATE Date 17/12/1980 SAL Integer 1600 Table JOB Column type Integer Up to 15 characters Column name Example entry Description job title No Employee's job title JOBNO 10 JOB TITLE SALESMAN b) Using EMP and JOB tables, give an example of the JOIN SQL statement which uses "WHERE", "GROUP BY", “HAVING" and “ORDER BY" clauses. Explain the result table of the SQL statement. (Maximum 300 words).Regional Labs is a company that conducts research and development work on a contract basis for other companies and organizations. Figure 2-33 shows data that Regional Labs collects about projects and the employees assigned to them. This data is stored in a relation (table) named PROJECT: PROJECT (ProjectID, Employee Name, EmployeeSalary) ProjectID 100-A 100-A FIGURE 2-33 Sample Data for Regional Labs 100-B 200-A 200-B 200-C 200-C 200-D EmployeeName Eric Jones Donna Smith Donna Smith Eric Jones Eric Jones Eric Parks Donna Smith Eric Parks Employee Salary 64,000.00 70,000.00 70,000.00 64,000.00 64,000.00 58,000.00 70,000.00 58,000.00draw ERD for these tabels The system must contain tables such as category(catNo,catogeryName) ,Items(itemNo,ItemName,Price,total_quantity, catNo),Items_stor_entry(entry_no number primary key,itemNo,entry_date ,quantity), Employee (employeeNo,employeeName,job) ,branch(No,Name), Customer(customerNo,costomerName,gender) , ,Invoice (employeeNo,customerNo,total price ,invoiceNo,InvoiceDate,branchNo ) InvoiceDeatail contain List Of Purchase Items contain detail information related to the invoice (invoiceNo,ItemNo, paidPrice, quantity)
- Regional Labs is a company that conducts research and development work on a contract basis for other companies and organizations. Figure 2-33 shows data that Regional Labs collects about projects and the employees assigned to them. This data is stored in a relation (table) named PROJECT: PROJECT (ProjectID, EmployeeName, EmployeeSalary) FIGURE 2-33 Sample Data for Regional Labs A. ProjectID 100-A 100-A 100-B 200-A 200-B 200-C 200-C 200-D Employee Name Eric Jones Donna Smith Donna Smith Eric Jones Eric Jones Eric Parks Donna Smith Eric Parks Employee Salary 64,000.00 70.000.00 70,000.00 64,000.00 64,000.00 58,000.00 1. ProjectID → Employee Name 2. ProjectID EmployeeSalary 3. EmployeeName → EmployeeSalary 4. EmployeeSalary → ProjectID 5. EmployeeSalary → (ProjectID, EmployeeName) 70,000.00 58,000.00 Assuming that all functional dependencies are apparent in this data, which of the following are true? TRUE / FALSE TRUE / FALSE TRUE / FALSE TRUE / FALSE TRUE / FALSE1. The data type for Borrower_name in Borrowers Table is: A. Short text C. Currency B. Long text D. Yes/No Borrowers Field Name Borrower ID Borrower Name Phone num Membership_activation Data Type AutoNumber Short Text Short Text Yes/NoRegional Labs is a company that conducts research and development work on a contract basis for other companies and organizations. The table below shows data that Regional Labs collects about projects and the employees assigned to them. This data is stored in a relation (table) named PROJECT: PROJECT(ProjectID, EmployeeName, EmployeeSalary)
- Note that primary keys are in BOLD. Note also that attributes with the same name in different tables are foreign keys. For example, doctorID in the Treatment table is a foreign key that refers to the Doctor table. Doctor(doctorId:integer, specialtyID:integer, firstName:varchar(20), lastName:varchar(20), salary:numeric(11,2)) Specialty(specialtyID:integer, specialtyName:varchar(20), specialtyCost:numeric(11,2)) Treatment(doctorId:integer, patientSSN:integer, dateTreated:date, costOfTreatment:numeric(11,2)) Patient(patientSSN:integer, firstName:varchar(20), lastName:varchar(20), street:varchar(30), city:varchar(15), state:char(2),zipCode:integer(5)) 2.3) Write an SQL statement to increase the cost of all Specialty treatment by 2.5% 2.4) Write a SQL statement to delete all treatment rows that were done before 2015 and cost less than $500. 2.5) Write an SQL statement to select all Specialties where the specialtytName has a null valueModify the CHARTER table to add the attributes shown in the following table. TABLE P8.37 ATTRIBUTES AND VALUES FOR PROBLEM 37 ATTRIBUTE NAME ATTRIBUTE DESCRIPTION ATTRIBUTE TYPE CHAR_WAIT_CHG Waiting charge for each model (copied from the MODEL table) Numeric CHAR_FLT_CHG_HR Flight charge per mile for each model (copied from the MODEL table using the MOD_CHG_MILE attribute) Numeric CHAR_FLT_CHG Flight charge (calculated by CHAR_HOURS_FLOWN CHAR_FLT_CHG_HR) Numeric CHAR_TAX_CHG CHAR_FLT_CHG tax rate (8%) Numeric CHAR_TOT_CHG CHAR_FLT_CHG + CHAR_TAX_CHG Numeric CHAR_PYMT Amount paid by customer Numeric CHAR_BALANCE Balance remaining after payment NumericA table is in __________ normal form when it is in __________ and there are no transitive dependencies.