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Assume that a student table in a university database has an index on StudentID (the primary key). and additional indexes on Major, Age, Marital status, and HomeZipCode.Further, assume that the universit wanted a list of students majoring in computer science, over the age of 25, and Married.How could indexes be used so that only records that satisfy the qualification are accessed?
Construct an entity-relationship (ER) model for the database. Make sure you include in your model details of entities, relationships, attributes, keys and limits in participation.
1. Extracting and interpreting data can be very valuable to an organization. Describe the importance of using sub queries in a database system. Provide at least two business case scenarios to support your response.
its a lead a project that will implement a new learning management system for your university. you have two key tasks
questionethical and legal considerations in marketing intellectual property and product safetyprepare a paper in which
Explain with examples different types of keys used in relational database, how they help relating different tables.
question 1explain ten desirable features which may be included in the design of a warehouse. question 2how have to a
Given the following EER diagram of the Museum Database.
Create new DOM documents for each of your .xml file and .xsl file. Use these to generate output to the browser.
Your supervisors and customers are very impressed with the database you have put together. Describe a minimum of three heuristics to optimize Queries.
Describing the purpose of database an its functionality, plus a detailed E-R diagram.
Explain how much the modulating signal power is required to generate 100 percent modulation? What is the approximate center frequency of filter required to pass the lower sideband?
Design an Relational Model (RM) model of a database (DB) that will be useful for each of the chosen enterprises and Implement the 2 enterprise relational DBs using either MySQL or SQLite
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