Microsoft Entity Framework 6

Front 1

We architect, design and program at a conceptual level that is very different from the typical relational database system's logical and physical design, resulting in a difference in paradigms between our data and our programs. What is this paradigm difference often called?

Back 1

Impedance mismatch

Front 2

Entity Framework (EF) is a type of data access framework for bridging object-oriented class hierarchies and highly-normalized data known as a type of ____________________ software or simply a(n) ____ (acronym).

Back 2

Object Relational Mapping or ORM

Front 3

In Entity Framework (EF) (or other ORM tool), when we model real world concepts or other objects, we call them ____________

Back 3

Entity Classes (or Entities) or Entity Objects

Front 4

In EF, what do we call relationships between entities?

Back 4

Associations

Front 5

What other Microsoft tool, when used with EF, allows us to program directly against our entity classes and associations, using a concise syntax, in .NET code? ______________________ (name) or ________ (acronym)

Back 5

Language-Integrated Query framework, or LINQ

Front 6

The model that you create in EF is a construct known as a(n) ________________ (name) or _________ (acronym)

Back 6

Entity Data Model or EDM

Front 7

A. The Entity Data Model (EDM) in EF 6 will allow you to model entities to data tables in what cardinalities?

B. What is the default cardinality that EF will create between entities and data tables?

Back 7

One-to-one (default)

Multiple tables to one entity

One table to multiple entities

Front 8

What are the three layers of the Entity Data Model (EDM)?

Back 8

1. Conceptual layer

2. Store

3. Mapping layer

Front 9

The syntax for the conceptual layer of the EDM is defined in the ___________________ (name) or _______ (acronym).

Back 9

Conceptual Schema Definition Language (CSDL)

Front 10

The syntax for the store layer of the EDM is defined in the _______________________ (name) or _______ (acronym).

Back 10

Store Schema Definition Language (SSDL)

Front 11

The syntax for the mapping layer of the EDM is defined in the ________________________ (name) or _______ (acronym).

Back 11

Mapping Specification Language (MSL)

Front 12

The mapping layer of the EDM defines the mapping between what other EDM layers?

Back 12

Conceptual layer and store layers

Front 13

What term represents a class in your domain model in EF or other ORM?

Back 13

An EntityType

Front 14

What is an instance of an EntityType called?

Back 14

An Entity

Front 15

Like classes, an EntityType usually has one or more _______________ each consisting of a _____________ with a specific ________________.

Back 15

properties

named value

data type

Front 16

EntityType properties that refer to related entities are called _________________ and are typically represented by __________________ in a database.

Back 16

Navigation properties

foreign key relationships

Front 17

A relationship between two entities is called a(n) ________________

Back 17

association

Front 18

The line between two entities in the EDM is annotated to show the ________________ on each end of the association.

Back 18

multiplicity

Front 19

Every EntityType has a property or set of properties that uniquely identifies each instance of the entity. This is known as the ___________ . It is most often mapped to the _____________ in the database.

Back 19

EntityKey

primary key

Front 20

In EF, the object that exposes the entity objects, methods for managing the database connection, generating parameterized SQL, marshalling data, caching objects, maintaining change tracking and materializes an untyped result set into a collection of strongly typed objects is called ____________ .

Back 20

context object

Front 21

The process of transforming an untyped result set from the database into a collection of strongly typed objects is called _____________ .

Back 21

materializing

Front 22

Originally, the only way to work with EF was through the _____________ object. Now, there is an alternate context object that is a wrapper around the original object above, called the ____________ that offers a more streamlined and simplified developer experience. The preferred approach of the two of these is to use the __________ .

Back 22

ObjectContext

DbContext

DbContext

Front 23

Visual Studio uses a code-generation technology referred to as T4 templates. What does T4 stand for?

Back 23

Text Template Transformation Toolkit

Front 24

Visual Studio uses T4 templates to generate, or ___________ code quickly.

Back 24

scaffold