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Briefly describe what database normalization is and describe the four abnormalities that may occur when creating a database.
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
Explain what you understand by the terms Query Evaluation and Query optimization - Discuss the ways or strategies you can apply to improve the query performance
Design a database to track the company's products and orders. Choose either an open-source product or a proprietary product to use, and explain your reasons for choosing it. Identify some of the characteristics of database configuration used in yo..
Datasets will be stored within a flat file (directory) system on either the PAK-IT, a central management system database is required to store the actual data location information as described by the PAK-IT, Inc. mission statement.
Evaluate the suitability of information systems for different functional areas of the organization - Investigate current trends in using information systems
assignment 4.3 complete problems 1-5 on page 283 of your textbook. test your sql code using oracle xe. once you are
Each query is worth 2 marks. These tables exist in sphinx and are owned by the user dtoohey. You may, if you wish, create your own copies of the tables under your own account. If you do so, you should ensure that you copy the sample data in dtoohe..
Design an E-R model for this database. You will have to make decisions about attributes and keys. If you don't think it is clear what your attributes mean then provide some notes and assumptions to go with your design.
Creating the database schema, use Insert, Update, and Delete commands. After creating the database schema, use Insert, Update, and Delete commands to populate the tables with the following information.
Why the states of a relation schema are the subsets of schemas product? Please give an example?
Analyse the Case Study documents and produce a Vision document for a software system to meet the needs identified in the Case Study. Make sure your Vision document.
Explore and research the latest versions of the following database management systems (DBMSs) on the market: Oracle 11G, Microsoft SQL Server, MySQL, and IBM DB2. Compare the four DBMSs on different parameters, including pros and cons
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