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In what ways would a DBMS help this organization? What data can you identify that needs to be represented in the database? What relationships exist between the data? What queries do you think are required?
Explain the statement that relational algebra operators can be com-posed. Why is the ability to compose operators important?
Write the script called checking that will take any number of filenames as command-line arguments and will print the names of those files that are readable and writeable text files.
It seems that every Internet search engine or electronic commerce Web site uses databases to provide dynamic content and structure to a Web site's content. Banks use databases to print off customer monthly statements.
Develop an E-R diagram for the library database. The relation schemas for the library database.
Describe what entity represents in an ER mode and provide examples of entities with a physical or conceptual existence. Describe how strong and weak entities differ and provide an example of each.
Explain the usefulness of converting data currently held in Microsoft Excel spreadsheets into a relational database using Microsoft Access. Describe the benefits of using Microsoft Access in the work environment
Describe how that firms likely use or should use Management Information Systems, Information Systems and Information Technology as it relates to the various topics covered in the class.
University XYZ needs a database that keeps track of students, what classes they taken and the grades for each of the classes.
A vendor builds multiple types of tablet computers. Each hs a type identification number and a name. The key specifications for each type include amount of storage and display type.
Describe a minimum of three (3) heuristics to optimize Queries - provide the SQL code (and screen shots)
Create a database with a table called "tblStudents" and "tblLogin." This table should have the following columns.
Determine the manufacturing overhead cost per unit of each of the companys two products under the traditional costing system.
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