Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 15, Problem 5RQ
Program Plan Intro
Open
- Open database connectivity is an Application
Programming Interface (API) used to access the Database Management System (DBMS). - It has the ability of accessing the relational data sources using Structured Query Language (SQL) on any application platform.
Data Source Name (DSN):
- The data source name is used for describing the data source.
- It is used to describe the structure of the current data source.
- It includes attributes like
- Name of the data source
- Location of the data source
- ID and password related to data access
- Information about the database driver
- It includes four different types namely, Machine DSNs, File DSNs, System DSNs and User DSNs.
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Big State University
The Big State University course catalog reads as follows: "To enroll in MIS 260, which is an advanced
course, a student must complete two prerequisites: MIS 120 and MIS 222. A student who completes
either one of these prerequisites and obtains the instructor's permission, however, will be allowed to
take MIS 260."
Tasks
1. Create a decision table that describes the Big State University course catalog regarding eligibility for
MIS 260. Show all possible rules.
2. Simplify the table you just created. Describe the results.
3. Draw a simplified decision tree to represent the Big State University catalog. Describe the results.
4. Why might you use a decision tree rather than a decision table?
What is the ALU result if the 4-bit ALU Control signal is 0100? What happens if the ALU Control signal is 0101?
Chapter 15 Solutions
Database Systems: Design, Implementation, & Management
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