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What is a relational database? Write a 1500 word essay on the above question. Your response should include the evolution of 1st generation data models, the relevance of seminal work that led to the 2nd generation data model, a discussion of higher order semantics in the relational data model, and an explanation of the related concepts, theories, and modeling notations that are used to create the logical model of a relational database. Elaborate on the role of functional dependencies in normalization, and how the goal of eliminating insertion, deletion, and update anomalies is achieved in relational design. Describe relations in the context of the conceptual and logical data model, as well as the physical implementation of the relational database.
If we added hats in 3 sizes and 3 colors and 3 styles, discuss briefly how many additional tables you 'uld add to the design.
Explain why log records could be written between the begin checkpoint and end checkpoint records.
Question 1: Start Access. Open the downloaded Access file named exploring_acap_grader_h1_College. Question 2: Import the exploring_acap_grader_h1_Transfer.xlsx Excel workbook into a table named Transfer Schools. While importing the data, choose St..
question 1a explain the use of facts dimensions and attributes in a star schema model.b in relation to a fact table
Visual Studio Express to build a Web-site with Access database - Olivias Mountain Adventure Store (OMAS)
you must have at least these entities region factory employee department training class. you should use the attributes
1. not having an appropriate index can cause a full table scan while performing the select statement by using a
Assume you are making a database to help university keep track of its course offerings. You might have following entities in database, as they are distinct items in real life.
A distributed database management system (DDBMS) stores a logically related database over two or more physically distinct locations connected by a computer network.
Visualise the computer data entry screens that could be used to capture data for the following business events in Mike's business.
what you have done as the network administrator to protect the network against such attacks, as well as additional measures to secure the network against worms, viruses, DoS attacks, spyware, and other such network intrusions that can disrupt the ..
question 1. consider the relational schemapartpart-id name costsubpartpart-id subpart-id counta tuple p1 p2 3 in the
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