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1. What is the purpose of Database? The purpose of a database is to store information about certain types of objects. Give an example of two related TABLES other the one discussed in the class. Name the TABLE and COLUMS using the convention as discussed in the class. Explain how the two TABLES you created are related. Define the term DATA and INFROMATION. Explain how the two terms differ. What problems can occur when a database is processed by more than one user simultaneously?
However, the only way you can access values is through queries to the databases. In single query, you can specify value k to one of two databases.
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 ..
Explain how you will visually represent the data for the sales of the individual stores and for the time period shown. You want to show the change in sales for each store over time for the past three years.
You have probably seen that already when you tried to create an E-R diagram. Visio uses notation and graphical shapes that are not the same as those in your text. If you look at some of the links to schemas, you will see a similar sort of thing.
Its a lead a project that will implement a new learning management system for your university. You have two key tasks: Task 1: Investigate learning management software packages that are available through application service providers.
Draw Active Directory hierarchy in terms of forests, trees, domains, organizational units, and sites which are most suitable for this company and their security concerns.
What does CHS stand for? List three items contained in the FAT database. List two features NTFS provides that FAT does not.
You are interested in analyzing some hard-to-obtain data from two separate databases. Each database contains n numerical values.
Give examples of binary 1:N relationships, for (a) an optional-to-optional relationship, (b) an optional-to-mandatory relationship,
Examine different sales transactions. Design a context diagram and a level-0 diagram that represent the selling system at the store.
Explain how much the modulating signal power is required to generate 100 percent modulation? What is the approximate center frequency of filter required to pass the lower sideband?
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.
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