Consider the company's database schema we have been discussing Employee (NationallD., FName, MName, LName, Gender, Salary, Birthdate, DeptNo) 50,000 records, 200 records/page, Hash Index on NationalID (1.4 reads/lookup) Department (DeptNo, Dept Name, Manager_NationalID, Manager_StartDate) 120 records, 80 records/page, Hash index on Manager_NationallD (1.4 reads/lookup) System's Buffer Pool = 50 pages Find the best way to write a query retrieving the names of all department managers who were born in December.

Consider the company's database schema we have been discussing Employee (NationallD., FName, MName, LName, Gender, Salary, Birthdate, DeptNo) 50,000 records, 200 records/page, Hash Index on NationalID (1.4 reads/lookup) Department (DeptNo, Dept Name, Manager_NationalID, Manager_StartDate) 120 records, 80 records/page, Hash index on Manager_NationallD (1.4 reads/lookup) System's Buffer Pool = 50 pages Find the best way to write a query retrieving the names of all department managers who were born in December.

A Guide to SQL

9th Edition

ISBN:9781111527273

Author:Philip J. Pratt

Publisher:Philip J. Pratt

Chapter2: Database Design Fundamentals

Section: Chapter Questions

Problem 11RQ

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Consider the company's database schema we have been discussing Employee (NationallD., FName, MName, LName, Gender, Salary, Birthdate, DeptNo) 50,000 records, 200 records/page, Hash Index on NationalID (1.4 reads/lookup) Department (DeptNo, Dept_Name, Manager_NationalID, Manager_StartDate) 120 records, 80 records/page, Hash index on Manager_NationalID (1.4 reads/lookup) System's Buffer Pool = 50 pages Find the best way to write a query retrieving the names of all department managers who were born in December.
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consider the database below and answer the query. pk refers to primary key and FK refers to foreign key. Employee(Employee_id(PK), First_name, Last_name, Email, Phone_number, Hire_Date, Job_ID(FK) COmmision_pct, manager_id, department_id(FK)) Departments(Department_id(PK), dept_name, manager_id(FK), location_id) Locations(Location_id(PK), street_address, postal_code, city, state_province, country_id) Jobs(Job_id(PK), job_title, min_salary, max_salary) wirte a function (with one argument : department name) that calculates and returns the total number of employees who are not working in IT department and earning more than $5000. write an appropriate call also. COMP 214 pl/sql
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Below given relations of a database are in First Normal Form (1st NF). Decompose (Split) the relations to Normalize in 2NF and 3NF. tbl Project Project Code Project Name Project Manager Budget Reservation System HR System Attendance System PC010 Mr. Said 25000 PC011 MS. Malak 32000 PC012 Mr. Rajesh 19000 DBMS tbl Emp Dept Project Code Emp No Hourly Pay Emp Name Dept No Dept Name Ali Mohd. PC010 S100 D03 Database 7.500 PC010 S101 Hamood D02 Testing 5.500 PC010 S102 Riyaz D01 IT 8.200 PC011 S103 Pavan D03 Database 6.500 PC011 S104 Basma D02 Testing 5.400 PC011 S115 Asaad D01 IT 7.900 PC012 S137 Fathima D03 Database 6.200 PC012 S218 Avinash D02 Testing 6.100 PC012 S109 Роoja D01 IT 9.300
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name of table 1 Staff_info: Staffid (pk) Fname Lname Dob Genderid Course_code (fk) Gender_info: Genderid (pk) gender Course_info: Course_code (pk) Course_name Departid (fk) Depart_info: Departid (pk) Depart_name using the information above develop a database using mysql workbench and connect the tables to each other using the propper fk (foreign key) and pk (primary key) database name should be connectstaff
Question 1 The structure of table students in DB Students database is as following: students(student_id int, first_name varchar(20), last_name varchar(30) Write the PHP code that displays all the students in a web page. As following: List of students ID student First Name Last Name

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