A manufacturer of deep-sea oil rigs may be least concerned about which of these marketplace forces?
A) Product differentiation
B) Traditional competitors
C) Low number of suppliers
D) New market entrants
E) Substitute products
Q. 2The CREATE SCHEMA DDL command is used to create a table.
Indicate whether the statement is true or false
Q. 3Which of the following is not one of the competitive forces in Porter's model?
A) Suppliers
B) Other competitors
C) External environment
D) Customers
E) Technology
Q. 4A database is maintained and queried using the data mapping language (DML).
Indicate whether the statement is true or false
Q. 5When transforming a unary many-to-many relationship to relations, a recursive foreign key is used.
Indicate whether the statement is true or false
Q. 6A business model describes how a company produces, delivers, and sells a product or service to create wealth.
Indicate whether the statement is true or false
Q. 7What is the difference between a simple attribute and a composite attribute?
What will be an ideal response?
Q. 8The external schema contains a subset of the conceptual schema relevant to a particular group of users.
Indicate whether the statement is true or false
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