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Consider the following schema.Student(Ssn, Name)TakenCourses(Ssn, CourseNo)Register(Ssn, CourseNo)Course(CourseNo, Name, Year, Term)PreRequisite(CourseNo, ReqCourseNo)
Table TakenCourses manages courses info that a student has taken. A course may require pre-requisite courses and the pre-requisite course info is managed in table PreRequisite. draw an ER diagram for this situation
Describe the methods of object-oriented design using UML
Customer Relationship Management
Webster Library wants to know how many green books it has. Out of the 500 shelves of books, 3 shelves were selected. These shelves hold 150 books each. 54 of the books sampled were green.
What degree is the student working towards. A student can only work on one degree at a time. What classes are necessary to obtain a specific degree
Select a publicly traded corporation for which you would like to work or are currently working. Research the corporation on its own Website, the public filings on the Securities and Exchange Commission EDGAR database and any other sources you can ..
Once these have been added, modify the structure of XML inside of your XML typed field to add another tag of , Within the Features tag, use the "modify" function to make this happen.
Analyze how the verify method can be used to plan out system effectively and ensure that the number of transactions do not produce record-level locking while the database is in operation.
question 1a candidate key isrequired to be unique.used to represent rows in relationships.a candidate to be the primary
Determine when a sequential file is more useful than a database. Differentiate between a flat file and a relational database
write a two-page executive summary for your boss explaining how a relational data solution can be applied to a current
Describe entities and attributes that the website must track.
A Relational schema of your database in 3NF, clearly indicating attributes, the data type of each attribute, primary and foreign keys, candidate keys, and which attributes are nullable, giving reasons. List any assumptions you need to make.
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