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Q1) When it comes to naming attributes, would you say that it is okay to give different names to the same attribute in different tables? For example, StudentFirstName, TeacherFirstName. Why or why not?
What about giving the same name to attributes that are in different tables but are not the same? For example, "Description" in both a Course table and a Classroom table.
To analyse a set of data, and write a memo, identifying and explaining your insights into the operation of Todd Restaurants.
Need a system that networks its 3 campuses in the US and one campus in Singapore. Transaction data for all campuses should be available to all locations. In addition, students should be able to use the Internet to view classes, enroll, register, and ..
VSS has an existing software package that controls its high bay systems and wants to rewrite it. The existing system is written in C and uses C-ISAM files to store data.
Assignment 5: Logical Design, Part II, Explain the problems associated with data redundancy as it pertains to effectively using information for reporting and analysis.
Database Questions: What do you mean by data base scheme? What do you mean by cardinality ratio? What do you mean by degree of relation?
Examine different sales transactions. Design a context diagram and a level-0 diagram that represent the selling system at the store.
Start with LAN on RTA and proceed clockwise. Determine the number that how many total valid host addresses will be wasted on WAN links?
Create a function that returns the day of the week for a specified date. Create a trigger that displays the message "Emp table updated" when an update to the employee table increases the employee's basic salary.
How many entities are shown by this relation?
Write an SQL query to get the author of the book "The Alchemist"
Write down the complete transaction using SQL.
Create and run the following sql queries and submit the screen shot of your result. Also submit the file lab_06_03. sql
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