A) a class that represents a real-world entity. B) an instance of an entity. C) a relationship between two classes. D) none of the above. A) a class that represents a real-world entity. B) an instance of an entity. C) a relationship between two classes. D) none of the above.

Exam 14: Using Relational Databases to Provide Object Persistence

A structure that defines the relationship between domain classes in the object-oriented model and relations in the relational model is called the independent mapping schema.

(True/False)

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Question 61

Closed database connectivity is another call-level API.

(True/False)

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Question 62

What are some of the common approaches for providing persistence for objects using relational databases?

(Essay)

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Question 63

The N+1 select problem leads to a separate ________ statement for each associated object in a one-to-many relationship.

(Short Answer)

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Question 64

A class specification for objects that exist for storing the value of a property of another object is called a:

(Multiple Choice)

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Question 65

All of the following are disadvantages of the SQL query mapping framework EXCEPT:

(Multiple Choice)

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Question 66

All of the following are disadvantages of using the call-level API approach to providing persistence EXCEPT:

(Multiple Choice)

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Question 67

The conceptual gap between the object-oriented approach to application design and the relational model for database design and implementation is often labeled as a perfect match.

(True/False)

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Question 68

Within an ORM,what is a fetching strategy?

(Essay)

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Question 69

Hibernate is configured using an HTML file.

(True/False)

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Question 70

________ has been an industry standard for a call-level application program interface with which Java programs can access SQL databases.

(Multiple Choice)

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Question 71

SQL query mapping frameworks reduce significantly the amount of code required to manage ________.

(Short Answer)

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Question 72

________ resembles SQL in many ways.

(Short Answer)

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Question 73

Comprehensive object-relational mapping frameworks hide the relational data access methods from the object-oriented applications and provide an entirely translucent persistence layer.

(True/False)

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Question 74

Serialization is a built-in mechanism for storing a persistent state of an object in object-oriented languages.

(True/False)

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Question 75

Object-relational mapping (ORM)defines relationships between object-oriented and ________ data.

(Short Answer)

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Question 76

A ________ is a class specification for objects that exist for storing the value of another object.

(Short Answer)

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Question 77

Object-relational mapping defines structural relationships between object-oriented and relational representations of data.

(True/False)

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Question 78

An entity class is:

(Multiple Choice)

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Question 79

________ are a category of tools which use relational databases to provide object persistence by linking classes to parameters and results of SQL queries.

(Multiple Choice)

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Question 80

Showing 61 - 80 of 113

A structure that defines the relationship between domain classes in the object-oriented model and relations in the relational model is called the independent mapping schema.

Closed database connectivity is another call-level API.

What are some of the common approaches for providing persistence for objects using relational databases?

The N+1 select problem leads to a separate ________ statement for each associated object in a one-to-many relationship.

A class specification for objects that exist for storing the value of a property of another object is called a:

All of the following are disadvantages of the SQL query mapping framework EXCEPT:

All of the following are disadvantages of using the call-level API approach to providing persistence EXCEPT:

The conceptual gap between the object-oriented approach to application design and the relational model for database design and implementation is often labeled as a perfect match.

Within an ORM,what is a fetching strategy?

Hibernate is configured using an HTML file.

________ has been an industry standard for a call-level application program interface with which Java programs can access SQL databases.

SQL query mapping frameworks reduce significantly the amount of code required to manage ________.

________ resembles SQL in many ways.

Comprehensive object-relational mapping frameworks hide the relational data access methods from the object-oriented applications and provide an entirely translucent persistence layer.

Serialization is a built-in mechanism for storing a persistent state of an object in object-oriented languages.

Object-relational mapping (ORM)defines relationships between object-oriented and ________ data.

A ________ is a class specification for objects that exist for storing the value of another object.

Object-relational mapping defines structural relationships between object-oriented and relational representations of data.

An entity class is:

________ are a category of tools which use relational databases to provide object persistence by linking classes to parameters and results of SQL queries.

The Database Environment and Development Process

Modeling Data in the Organization

The Enhanced E-R Model and Business Rules

Logical Database Design and the Relational Model

Physical Database Design and Performance

Introduction to SQL

Advanced SQL

Database Application Development

Data Warehousing

Data Quality and Integration

Data and Database Administration

Distributed Databases

Object-Oriented Data Modeling

Filters