University of Greenwich Database assignment2 Iago Castro Cuna Student ID: 000628811 Course ID : COMP1450 DATABASE ASSIGNMENT2 Iago Castro Cuna Table of Contents 1 INTRODUCTION ..................................................................................................................... 4 2 CREATING THE DATABASE TABLES ....................................................................................... 5 2.1 Creating the company .........................................
Premium SQL Database
1 1 1 1 1 c. The number of deaths in Indonesia is larger • • due to higher population density d. (i) Buildings collapse • • Spread of infectious disease • Farmland drowned • Interruption of power supply (Any two) 1 1 1 1 1 1 3 Getting 5** in 9 weeks: Geography (ii) Improved building design • 1 1 1 1 • Evacuation areas are set up • Improved relief work • Better landuse to avoid development in
Premium Water
indicated below. Unique number 759546 Tutorial matter covered in the prescribed book Chapters 1 - 3: Chapter 5: Chapter 6: Chapter 7: Chapter 12: Chapter 14: Chapter 16: Revise as for Assignment 01 Entity relationship modelling Advanced data modelling Normalisation of database tables Transaction management and concurrency control Distributed database management systems Database connectivity and web development Question 1 What is a composite entity‚ and when is it used? [4 marks] [8 marks] Question
Premium SQL Database Database management system
order to create a database. entity type is a collection of entity instances sharing similar properties Strong Entity Vs Weak Entity An entity set that does not have sufficient attributes to form a primary key is termed as a weak entity set. An entity set that has a primary key is termed as strong entity set. A weak entity is existence dependent. That is the existence of a weak entity depends on the existence of a identifying entity set. The discriminator (or partial key) is used to identify other
Premium Entity-relationship model Data modeling
Production Mid-Term Question 1: Process Flow Diagram of CRU Rentals Year 1996  Total number of units = 14‚405  Utilization = 0.56 (56%)  Revenue rate = No. of units * rent = 8‚000 x 30 = $240‚000/wk  Depreciation = 14‚405 x ($1000/156wks) = $92‚340/wk  Contribution Margin = $126‚870/wk  Variable Cost rate = 25 x 1‚000 (R) + 25 x 1‚000 (S) + 4x700x.85 + 150 x 405 = $113‚130/wk In 1997:  Number of units on rent = 8
Premium Carbon dioxide Quality control Process management
Database Environment Paper DBM-380 November 18‚ 2012 Introduction A database defines a structure for storing information and it collects information that is organized in such a way that a computer program can quickly select desired pieces of data. A database can also be thought of as an electronic filing system. Data and information are extracted from a database by creating a query and then submitting it to the query database management system (DBMS) and it is posed in a language that
Premium Database SQL Relational database management system
effective medium to demonstrate the knowledge and skills of the students. From the traditional searching process for the books in the libraries‚ the interactive usage of computers can be now addressed as part of the library system. Background and Problem Statement In the aim of the universities to supply the necessary materials to their students‚ the idea of library management system is introduces. This involves the utilization for processing‚ accessing and retrieving the information that can effectively
Premium Quezon City Book Library
Registers are small‚ extremely fast‚ extremely low capacity memory that sits inside the processor. Why are they so important? Because processors only know how to work with them. All operations involve at least one register‚ but should normally involve two or three directly. The processor cannot work directly on any other memory‚ so every piece of data to be worked on must be loaded into one of these. How many are there? For the Thumb mode (the one in this document) only 16 registers are available.
Premium ARM architecture
studies &research Information technology department Database systems Report on: (Comparison between Relational database & object oriented database) By: Mohammed Hussein Mahmoud Mustafa khedr To: Dr. Saad Darwish Introduction A database is a means of storing information in such a way that information can be retrieved from it. Thus a database is typically a repository for heterogeneous but interrelated pieces of information. Often a database contains more than one table. Codebooks and dictionaries
Premium Relational model Database Data modeling
As you enter the Harry.C.Moore Library you would see the display on majority rule straight ahead. There were tall bulletin boards that were decorated with black and blue papers which had the label mark of what was shown. On the left‚ there was a bulletin that had newspapers telling about the Black Vote Revolt in the Bahamas where Sir Lynden Pindling led the party to victory on islands that were 50 miles from Florida. There were pictures of how they celebrated the victory which were by greeting the
Premium Elizabeth II of the United Kingdom The Bahamas Bahamas