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Students and classes have a relationship a one to one

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29. Students and classes have a _____ relationship.a. one-to-oneb. one-to-manyc. many-to-oned. many-to-many
30. Which of the following is true of business rules?
31. A noun in a business rule translates to a(n) _____ in the data model.
32. A verb associating two nouns in a business rule translates to a(n) _____ in the data model.
33. In the _____ model, the basic logical structure is represented as an upside-down tree.a. hierarchicalb. networkc. relationald. entity relationship
34. In the _____ model, each parent can have many children, but each child has only one parent.
35. The hierarchical data model was developed in the _____.
36. In the _____ model, the user perceives the database as a collection of records in 1:M relationships,where each record can have more than one parent.
37. The object-oriented data model was developed in the _____.a. 1960sb. 1970sc. 1980sd. 1990s
38. VMS/VSAM is an example of the _____.
39. Oracle 12c, MS SQL Server, and Tamino are examples of _____ data models.
40. MySQL is an example of the _____.
42. The relational data model was developed in the _____.a. 1960sb. 1970sc. 1980sd. 1990s
43. The _____ model was developed to allow designers to use a graphical tool to examine structuresrather than describing them with text.
44. A(n) _______ enables a database administrator to describe schema components.
45. The _____ model uses the term connectivity to label the relationship types.
46. The _____ data model is said to be a semantic data model.a. relationalb. networkc. object-orientedd. entityrelationship

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Relational model

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