(1) Draw an ER Diagram for the scenario below Temporary Employment Corporation (TEC) places temporary workers in companies during peak periods. TEC's manager gives you the following description of the business: • TEC has a file of candidates who are willing to work. If the candidate has worked before that candidate has a specific job history. Each candidate has several qualifications. TEC also has a list of companies that request temporaries. Each time a company requests a temporary employee, TEC makes an entry in the openings folder. The folder contains an opening number, company name, required qualifications, starting date, anticipated ending date, and hourly pay. • Each opening requires only one specific or main qualification. When a candidate matches the qualification, he/she is given the job, and an entry is made in the Placement Record folder. This folder contains an opening number, candidate number, total hours worked, and so on. In addition, an entry is made in the job history for the candidate. • TEC uses special codes to describe a candidate's qualification for an opening. The list of codes include:

(1) Draw an ER Diagram for the scenario below Temporary Employment Corporation (TEC) places temporary workers in companies during peak periods. TEC's manager gives you the following description of the business: • TEC has a file of candidates who are willing to work. If the candidate has worked before that candidate has a specific job history. Each candidate has several qualifications. TEC also has a list of companies that request temporaries. Each time a company requests a temporary employee, TEC makes an entry in the openings folder. The folder contains an opening number, company name, required qualifications, starting date, anticipated ending date, and hourly pay. • Each opening requires only one specific or main qualification. When a candidate matches the qualification, he/she is given the job, and an entry is made in the Placement Record folder. This folder contains an opening number, candidate number, total hours worked, and so on. In addition, an entry is made in the job history for the candidate. • TEC uses special codes to describe a candidate's qualification for an opening. The list of codes include:

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

A candidate key is a characteristic that is included in a composite primary key.
Below is a sample of an assignment roster of employees working in a company. An assignment Involves a specific job given to a specific employee, on a specific date and time, and in a specific section of a specific building. Very specific. You've Identified the following entities: Assignment, Employee, Section, Bullding. Job. No others. Use the information below to Infer which entities have relationships with each other, as well as the types of those relationships, and constraints if any. All that you should submit is a set of the relevant business rules. Once again, remember that entitles don't necessarily directly connect, unless the information collected specifies that they are connected. In case you need extra info: • Section is a kind of code given to a section in a specific building. Each section has a completely unique code (across all buildings) e.g. F3 only exists in building "Flora", not any other building. Section N is short for "section name"; It's the name of the section •…
Database Design Before an Essential Oil product is marketed, testing is carried out based on the production batch from any essential oil. This is done to maintain the quality and content of the existing constituents in essential oils. Where the Test Percentage Content must reach the Minimum standard Percentage Content for each constituent. If there is one type of constituent that does not fulfill minimum standard, the batch will not be marketed because it does not meet the standard quality. Question 1. Create 1-NF, 2-NF, 3-NF Normalization for the available forms. 2. Make an ERD (Entitiy Relationship Diagram) based on the results of Normalization 3-NF. 3. Develop the ERD that you create to implement Generalization / Specialization.
Draw the ER diagram of the following requirements: A City Hall wants to manage the members of its entertainment centers. Each center has an address, a district, a unique name. Each center offers several animations. An animation is provided by only one center. Each animation has a unique name and semi-annual cost. A member has a unique id, name (first, middle, last), several contact phone numbers and an address. A member may enroll only in one center and the date of registration is maintained. The member can practice many animation activities.
Based on the EER Diagram given, perform the process of normalization from UNF until 3NF. Item Member Customer Item ID (PK) Item Name Item Price Item Sales Item_Quantity Item Size Item Color Order Member ID (PK} (MANDATORY, OR) Cust ID (PK) Order ID (PK} Order Date List Item Password Cust Name submits> contains> Points Cust Contact Cust Address 1. 1..1 1.. 1..1 Cust Email 1..1 Non_Member request 1..1 Delivery Staff Payment Delivery_ID {PK} Delivery Status Delivery Date Purchased_Item Staff ID (PK) Staff Name Staff Contact 1 prepares 1 sent to Payment ID (PK) Payment Date 1.. 1...1 1.1 1... Payment Amount Position 1..* works at 1.1 Store Store Code (PK} Store Name Store Location Store Contact
Create an Entity-Relationship Model to represent the data requirements of the problem given below. Specify the cardinalities of relationships and all-important constraints. Also mention the assumptions if you have made any. A Medical store has many branches throughout country. The data held on each branch is the branch address made up of street, city, and zip code, and telephone number. Each branch is given a branch number, which is unique throughout the country. Each branch is allocated at least one staff member. Each staff member must belong to exactly one branch. The data held on a member of staff is his or her name, position and salary. Each member of staff is given a staff number, which is unique throughout the country. Each branch has a one or many products. A product belongs to exactly one or many branches. The data held on a product is the product number (identifier), title, category, price, and available quantity. Each product is purchased from exactly one vendor. From one…
Construct an ER_Diagram for NSU Employees who are identified by a unique id number. NSU has 3 major types of employee (faculty, secretary and OSS) with their specific role. Each faculty has many research areas and they work on monthly salary basis. Secretary also works on monthly salary basis but they have an option for overtime. Security guard salary is calculated by the number of hours they worked in a month. At the end of each month, employees are paid form the NSU account. We are also interested to store the starting date of each employee.
What are the key distinctions between overlapping and disjoint constraints, and how do you distinguish between the two?
build a Gantt Chart for the project plan about. Gym/Fitness Database . example of chart is below
Create an ER diagram for the following requirements:You are asked to design a database to store music album information. A simplified set of requirementsare provided below.- A music album has a title, year of release, total running time, one or more artists, and list ofsongs.- Each song has a lead artist and may have a list of additional artists. Each song has a list of otherassociated people such as mixer, mix engineer, keyboards, guitar, etc. Each song has a genre,running time, and lyrics. Each song can be associated with many albums, but needs to beassociated with at least one.- Each person has a first name, last name, and nickname.
Consider the following dimensions, dimension attributes, and dimension sizes for Farm Coop-Insurance: Member(member_ID, Name, Address). On average, there are two members for each policy and item covered by the policy. InsuredItem(Item_ID, Description, Coverage_Type). There is an average of ten covered items per policy. CoopOffice(Office_ID, Address, Manager_name). Each policy is registered and managed by only one office of the cooperative. Policy(Policy_ID, Type). The company has approximately one million policies at the present time. Approximately five percent of these policies experience some change each month. Period(Date_Key, Fiscal_Period). The length of the fiscal period is one month. The decision system reports are supposed to be based on five years of data. Claim(Claim_ID, Claim_Description, Claim_Type). The facts to be recorded for each combination of these dimensions are Policy_Premium, Deductible, and Monthly_Claim_Total. Design a star schema for this problem. Using the…
Instructions: Create a dimensional model for a particular business process involving gym membership. A customer can sign up for a membership of say one, three, six or twelve months. I want to make it easy to query to identify current members, members who expired in the last month, members who renewed in the last month, those who are pending expiry etc. If I have a basic model with a fact table representing a gym membership say start_date_key end_date_key membership_attribute_key customer_atrribute_key fee with associated dimension table for date, membership attributes such as length, customer attributes and so forth. On a particular day, the active members are those with a start date before the day and an end date after that day. Those who will expire next month are those where the end date is in a particular date range.