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You are asked to create a GIS database of information about Vietnam at scale of 1:100,000. Database will include the following:
Elevation in metersLocations of hospitalsRoadsMap of each province with population of the province
a) Which of these features are best represented by raster model? Explain why?
b) For those features which are best represented in vector format, which would be best represented by point entities, which would be line entities, and which would be polygon entities?
Give examples of binary 1:N relationships, for (a) an optional-to-optional relationship, (b) an optional-to-mandatory relationship,
Find out which data from database to archive; that is, for each table, Write down whether data requires to be archived.
Find the entities from the functional requirements. Entities can come from Nouns in the text, they may also come from forms, reports and legacy code.
Design the Update trigger on Part table which raises an error string if Count field of updated row has a higher value than value prior to Update.
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.
To what kind of list would you change it? What would you require to change about content in order for new list type to be effective for purpose of list?
You are interested in analyzing some hard-to-obtain data from two separate databases. Each database contains n numerical values.
Examine different sales transactions. Design a context diagram and a level-0 diagram that represent the selling system at the store.
Create a database design specification (Enhanced Entity Relationship Diagram (EERD) and Relational Data Model (RDM)) from the given business description. The RDM must be in 3rd Normal Form.
Assume a game with two players, A and B, who raise one or both hands concurrently. A wins if total number of hands raised is odd, and B wins in other way.Write down the matrix form of the game. Is there a pure strategy solution? Explain your answer..
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?
Controls which need a database to either execute transaction completely or not at all.
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