is an entity? Something about which we want to store data. 7. What is business logic? The set of rules that govern an organizations processes. 8. What is a relational database? A data base that organizes data into overlapping tables. They follow a set of very specific rules that ensure data contained in the database will be consistent. 9. How do the following terms relate to one another: record‚ table‚ field‚ primary key? Rows are called records‚ and columns are sometimes called
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integrated collection of related files‚ along with the details of the interpretation of the data. A Data Base ManagementSystem is a software system or program that allows access to data contained in a database. The objective of the DBMS is to provide a convenient and effective method of defining‚ storing‚ and retrieving the information stored in the database. The database and databasemanagementsystems have become essential for managing business‚ governments‚ schools‚ universities‚ banks etc. 1.2 BASIC
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Database Management Systems I work part time in a marketing research organization‚ which deals with research in the pharmaceutical industry. The total function of this department is to bring out a market research report‚ every month. This report is circulated to the pharmaceutical companies‚ and contains information on the sales of various drugs in the categorized geographical areas of the nation. An important stage in preparation of this report is giving a numeric code to the drugs prescribed
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and treatments for that problem. Database systems are designed keeping in mind the requirements of clients. Different software packages are available in the market‚ which can be modified based on the needs of the users. The purpose of these packages is to increase efficiency and save time. Because this is such an important and delicate industry‚ these database systems need to be very carefully designed. A minor error can have tragic results. Use of database systems has revolutionized the healthcare
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Information is processed data that is used to make informed decisions. Information systems Anything that provides information or part of system or equipment that delivers information is known as information system. An information system refers to a collection of multiple pieces of equipment involved in the dissemination of information. Hardware‚ software‚ computer system connections and information‚ information system users‚ and the system’s housing are all part of an IS. Data processing Data
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My Junior Varsity Basketball team‚ such as the Holy Comforter Crusaders have a team goal to qualify for the end of the season Playoffs. The age group of the boys ranges from age 10-13‚ and is a middle school basketball team. The basketball program has never qualified for the playoffs since the emergence of the program. Based on my evaluation‚ in order for my team to reach their goal‚ they must adhere to the following principles of team goal setting such as‚ establish the long term goal; establish
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ENGINEERING COMPUTER SCIENCE ON HOTEL MANAGEMENT SYSTEM GROUP 8 PROJECT MEMBERS: 1. XXXXXXX 2. XXXXXXXXXXX 3. XXXXXXXXXXXX 4. XXXXXXXXXX 5. OBRUTSE ONAJITE 09/1635 6. OKOROSOBO TEMITOPE 7. OLAJIDE SEGUN 8. XXXXXXXXXX 9. XXXXXXXX 10. XXXXXXXXXX PROJECT MANAGER: MRS AYITE 1. INTRODUCTION A. BACKGROUND ‘Online Alumni System’ An Alumni Management System is a system that helps in keeping the records of the past
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After all business requirements have been gathered for a proposed network‚ they must be modeled. Models are created to visually represent the proposed network so that business requirements can easily be associated with network objects to ensure that all requirements have been completely and accurately gathered. Basically data modeling can fall into two types of categories: Physical modeling and Logical modeling. Logical modeling deals with gathering business requirements and converting those
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SYSTEM DESIGN Introduction When the requirements document for the software to be developed is available the design activity begins. The main aim of design process is to produce a model or representation of the system‚ which can be used later to bind the system. The produced model is called design of the system. A system design is a top down approach to minimize complexity and make a problem manageable by subdivided it into smaller segments. The most changing phase of the
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SCIENCE DB34 - Database Management Systems UNIT I : Advantages and Components of a Database Management Systems - Feasibility Study - Class Diagrams - Data Types –Architecture- Events - Normal Forms - Integrity – EER model - Converting Class Diagrams to Normalized Tables - Data Dictionary. UNIT II : Query Basics - Computation Using Queries - Subtotals and GROUP BY Command - Queries with Multiple Tables - Subqueries - Joins - DDL & DML - Testing Queries. UNIT III : Effective Design of Forms and
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