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 .........................................
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QUESTIONS 1. Give 2-3 examples of the database applications. 2. What is the role of the database in the IS generic architecture? 3. What is file-based system? Give 2 examples of FBS. 4. What are main limitations of FBS? 5. What is database? 6. What does it mean that database is self-describing collection of interrelated records? 7. What does it mean that data is integrated? 8. What does it mean that database is collection of logically related data? 9. What is DBMS? 10. What are the main categories
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Although‚ data is separated into different and more complex tables during normalization‚ the process of normalizing a database can help to organize data more efficiently by minimizing redundancy and providing more accurate records. During the process‚ column and field names are consolidated into more specific ones to avoid repetition of data. In many cases‚ tables are divided into two or more tables and linked via a relationship using their Primary Keys and/or Foreign Keys. The main goal is to
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Database Organization Here at the College of Veterinary Medicine‚ the databases that I have used are Microsoft SQLServer‚ Microsoft Access‚ and ProISAM. ProISAM is the type of database that Vetstar (our Hospital system) uses. It is the proprietary database for the PROIV programming environment that Vetstar is written in. The main problem with this database is that it is not ODBC compatible which just means that you cannot
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There have been 6 revisions in SQL‚ 3 major revisions and 4 minor revisions as well. The three major revisions were SQL-86‚ SQL-92‚ and SQL:1999‚ and the four minor revisions were SQL:2003‚ SQL:2006‚ SQL:2008‚ and SQL:2011. [1] The updates in SQL:2011 are Periods‚ Application-time period 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
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For candidates admitted in Anna University of Technology‚ Chennai in 2010 ANNA UNIVERSITY ‚ CHENNAI - 600 025 TIME TABLE - B.E/B.Tech. /B.Arch. DEGREE EXAMINATIONS -May/ June - 2012 Page : 1 of 2 Date : 28-03-12 Semester No. Exam Date Day Branch 01 Session : Thursday Forenoon 10 A.M. to 1 P.M. 19/06/2012 Tuesday 21/06/2012 Thursday 376105 Architectural Drawing I 116101 Chemistry for Marine Engineering 183101 Engineering Chemistry - I Regulation : 2010 23/06/2012
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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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NORMALIZATION OF DATABASE NORMALIZATION- is the process for evaluating and correcting table structures to minimize data redundancies‚ thereby‚ reducing the livelihood of data anomalies. The normalization process involves assigning attributes to tables based on the concept of determination. Normalization works through a series of stages called normal forms. 3 Stages of Normalization 1. 1NF or FIRST NORMALIZATION FORM 2. 2NF or SECOND NORMALIZATION FORM 3. 3NF or THIRED NORMALIZATION
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Relational Databases Lee Rudd Abstract Data for our programs are stored in various formats. The most commonly used format is in the form of a database since databases are not dependent on a single program or hardware platform. These databases are stored in five structures of hierarchical‚ network‚ relational‚ multidimensional‚ and object-oriented. Hierarchical structure organizes data in a one to many relationship. The network goes of the hierarchical structure by organizing data in
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dealing with building a national DNA database. This issue has been brought up over the discussion of the actual database and what kinds of effects will come out of it‚ if it actually happens to go through. Some people think the database will be a force in crime fighting. Others think it is a violation of civil liberties. In the early 1900s‚ “fingerprinting‚” a new crime-fighting database‚ was developed. With the exception of identical twins‚ no two people have the same fingerprints. Every person
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