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The chief financial officer (CFO) of NCWR keeps a huge number of reports, spreadsheets, and other critical financial information on his computer, which runs Windows 7. As you walk by the CFO's office, you notice that the disk drive on his computer sounds like it might have some mechanical problems. The CFO has not backed up his computer in more than a year. What do you recommend he do about making a backup?
Explain the use of facts, dimensions and attributes in a star schema model. Explain the use of facts, dimensions and attributes in a star schema model.
Use SQL to create the following database; to including referential integrity. You may NOT use the GUI for this part of the exercise. COURSE ( CourseNu, CourseName, CreditHrs).
Give examples of binary 1:N relationships, for (a) an optional-to-optional relationship, (b) an optional-to-mandatory relationship,
Illustrate relational algebra expressions for names of all salespeople, names of all salespeople having ORDER row and names of salespeople not having ORDER row.
Several times, database triggers are utilized to record logins by users. Here is the example of login trigger that inserts row into table every time a user connects.
There are six major types of information systems which organisations use in their operations. Discuss how these information systems support managers in their decision making role Explain the datawarehouse and data mining concepts using appropria..
query specifying specific columns query using a column alias query using the concatenation operator query using a literal character string
Describe the different procedure performed in DBMS for student database in which fields are student id, student name, student class, marks.
Assignment 5: Logical Design, Part II, Explain the problems associated with data redundancy as it pertains to effectively using information for reporting and analysis.
Write down the SQL code in order to carrying out the following requests. Display all the data in each of the four tables. Do not display the foreign key columns.
List the courses (D-code and C-no), along with the names of the students who are currently taking them. List all the courses (D-code and C-no) that John (i.e., S-Name=''John'') got 'A' grade.
What are the main activities that the business undertakes and where in the business are the crucial decisions made?
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