ISM 6215 - Business Database Systems I Fall 2013 Home Work – 1 (Marks 100) Question 1 - Contrast the following terms. Give one example of each 1. Degree versus cardinality of relationship 2. Required versus optional attributes 3. Data dependence versus data independence 4. Structured versus unstructured data (4*2.5 =10 marks) Answer 1 - Degree; cardinality. The degree (of a relationship) is the number of entity types that participate in that relationship‚ while cardinality is a
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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
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TITLE DESIGN AND IMPLEMENTATION OF A COMPUTER BASED MATERNITY DATABASE SYSTEM (CASE STUDY OF POLY CLINIC ASATA HOSPITAL‚ ENUGU) PRESENTED TO THE COMPUTER SCIENCE DEPARTMENT‚ HOSPITAL OF TECHNOLOGY INSTITUTE OF MANAGEMENT AND TECHNOLOGY (I.M.T) ENUGU BY Lucky Mba CS/N2004/097 IN PARTIAL FULFILLMENT OF REQUIREMENT FOR THE AWARD OF ORDINARY NATIONAL DIPLOMA (O.N.D.) AUGUST‚ 2004 APPROVAL PAGE We hereby certify that this project Design and Implementation of a Computer based maternity database
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tables‚ System-versioned tables‚ and Bitemporal tables. Application-time period tables have Primary keys‚ Referential constraints‚ and Querying and System-versioned tables have Primary key‚ Referential constraints‚ Querying. [2] Microsoft’s SQL Express Versions are Express with Advanced Services‚ Express with Tools‚ and SQL Server Express. The advanced services have a database engine‚ full text search‚ reporting services‚ business intelligence development studio‚ and SQL server management studio
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Normalization A logical design method which minimizes data redundancy and reduces design flaws. Consists of applying various “normal” forms to the database design. The normal forms break down large tables into smaller subsets. First Normal Form (1NF) Each attribute must be atomic • No repeating columns within a row. • No multi-valued columns. 1NF simplifies attributes • Queries become easier.
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End user database Description A simple‚ searchable online database made up of structured records whose content is generated by the participants. The records normally contain personal information relating to a set of individuals. The database is self-perpetuating in that in order to access it‚ participants are usually made to submit their own information. Usually incorporates instant messaging capability for connecting participants based on a match. Purpose The purpose of this method is to ‘find’
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References: :- Pratt‚ P.J. & Adamski‚ J.J. (2008). Concepts of Database Management (6th Edition). Thomson Course Technology.
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EE4791 Database Systems Guidelines* for Tutorial 1 * Disclaimer: These are guidelines‚ rather than the actual solutions. 1. For each of the following pairs of entities indicate whether (under typical university circumstances) there is a one-to-many or a many-to-many relationship. Then using the shorthand notation introduced in the lecture‚ draw a diagram for each of the relationships. a. STUDENT and COURSE (students register for courses) Many-to-many (M:N) STUDENT COURSE b. BOOK
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Users and user permissions Contents[hide] * 1 How to add a new user * 2 Adding an employee as user * 3 Changing the user’s permitted areas * 4 Locking a user access permission * 5 Unlocking a user access permission * 6 Deleting a user | How to add a new user 1. Click "System Admin" on the left main menu. 2. Click "Access Permissions" on the subsequent menu. 3. If prompted‚ authenticate. 4. Locate the "Users"
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Description | example uses | Database could be when people in the the Leisure centre inputs the data or make different query’s like how much money they’ve made. This will speed up the process when working. It can store all the information for the activities and how many people attending specific classes. | advantages | A database can be really helpful for this business to grow in terms of: Customer & Service Analysis‚ Data Management‚ Reduce Costs & Time. Databases can also help businesses
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