Exam 1 Overview: Exam Date: Monday‚ Oct 6. The total time is 1 hour and 30 minutes. Closed book‚ closed note‚ no computers‚ no calculators. No collaboration allowed. Exam Format: Multiple choice questions Some "open" short-answer questions; A E-R modelling case Notice that almost all "open" short-answer questions call for a definition (formal) or description (informal) of a topic covered‚ and also require you to provide an example of the concept. So‚ as you study each question below‚ consider
Premium Entity-relationship model
PLAN PLAN_CODE NONE 2. Create the ERD to show the relationship between EMPLOYEE and JOB. 3. Do the tables exhibit entity integrity? Answer yes or no. TABLE ENTITY INTEGRITY EMPLOYEE NO BENEFIT YES JOB YES PLAN YES 4. Do the tables exhibit referential integrity? Answer yes or no. Write NA (Not Applicable) if the table does not have a foreign key. TABLE REFERENTIAL INTEGRITY EMPLOYEE YES BENEFIT YES JOB NO PLAN YES 5. Create the ERD using Crow’s Foot notation to show the
Premium Data modeling Foreign key SQL
MIS5370: Database Design and Management Home work Question 1. After completing a course in database management‚ you have been asked to develop a preliminary ERD for a symphony orchestra. You discover the following entity types that should be included. • CONCERT SEASON: The season during which a series of concerts will be performed. Identifier is Opening_Date which includes Month‚ Day‚ and Year. • CONCERT: A given performance of one or more compositions
Free Database normalization Relational model
DW MODELS Data Warehousing Battle of the Giants: Comparing the Basics of the Kimball and Inmon Models Mary Breslin Many organizations today need to create data warehouses— massive data stores of time-series data used for decision support. These organizations face a range of choices‚ both in terms software tools and development approaches. Making good choices requires an understanding of the two main data warehousing models— Inmon’s and Kimball’s. Bill Inmon advocates a top-down development approach
Premium Data warehouse
3/7/13 Crow�s Foot Notation Crow�s Foot Notation A number of data modeling techniques are being used today. One of the most common is the entity relationship diagram (ERD). Several ERD notations are available. For the purposes of CS270 we will be using Crow�s Foot Notation[b1]. Components used in the creation of an ERD: Entity � A person‚ place or thing about which we want to collect and store multiple instances of data. It has a name‚ which is a noun‚ and attributes which describe the data
Premium Entity-relationship model
X (company name)‚ the company I work for‚ has thousands of employees located in all fifty states‚ as well as other countries. There are many agent offices‚ claim offices‚ home office and three datacenters. Telecommunication systems tie all of these things together‚ making data sharing and communication possible. In this paper‚ I will provide observations of X ’s telecommunication systems. I will cover our company ’s phone network‚ datacenters connection to offices and remote access solution. X
Premium Ethernet Computer network Telephone
CHAPTER II METHOD OF THE STUDY (SOFTWARE ENGINEERING PARADIGM) 2.1 Fourth Generation Techniques (4GT) Figure 2.1 4GT The developers used the fourth generation technique (4GT) as the system development methodology to be applied in this study. 4GT encompasses a broad array of software tools that have one thing in common‚ each enabled that the software developers to specify some characteristics of software at high level. There is a little debate that the higher the level at which software
Premium Software engineering Requirements analysis Software development
website. ® ® ® ® ® Point Values for Course Assignments ASSIGNMENTS Individual (70%) Points Course Design Guide DBM/380 Version 9 2 Database Management Systems Paper (Week 1) Database Environment Paper (Week 2) ERD Creation Project (Week 3) Normalization of the ERD (Week 4) No Individual Assignment Due (Week 5) Participation (2 points
Premium Microsoft Relational model SQL
to other stain removers in the market through the use of easy to find ingredients at home. The main stain that will be focused on is Grease which is common in the field of Engineering. The main objective for the ERD is to create a stain remover for Grease. The Goal of this ERD is to create a cheap alternative for stain removers in the field of Engineering. The main contaminant we will focus on is grease or oil which is common in machines as a lubricant. The group will focus on using Sodium
Premium Sodium bicarbonate Acetic acid Vinegar
Proposal: SR-ht-003 for Huffman Trucking Proposal: SR-ht-003 for Huffman Trucking Huffman Trucking ’s central maintenance facility in Cleveland‚ Ohio and presently has hubs in Los Angeles‚ California‚ St. Louis‚ Missouri‚ and Bayonne‚ New Jersey. To effectively manage their business‚ it is critical that Huffman Trucking can share information regarding vehicles maintenance with each of its hubs‚ including parts inventory and vendor data. Huffman Trucking needs a solution that would allow them
Premium Entity-relationship model Unified Modeling Language