Opps Definations

Abstraction - Refers to the process of exposing only the relevant and essential data to the users without showing unnecessary information.

Polymorphism - Allows you to use an entity in multiple forms

Encapsulation - Prevents the data from unwanted access by binding of code and data in a single unit called object

Inheritance - Promotes the reusability of code and eliminates the use of redundant code

Delegate -A delegate is similar to a class that is used for storing the reference to a method and invoking that method at runtime

Methods -Methods are the building blocks of a class, in which they are linked together to share and process data to produce the result

Namespace - Namespace is considered as a container that contains functionally related group of classes and other types.

Assemblies -Assemblies are the basic building blocks required for any application to function in the .NET

Datasets follow the disconnected data architecture.

DataReader follow the connected data architecture.

Viewstate - The ViewState is a feature used by ASP.NET Web page to store the value of a page and its controls just before posting the page

Class - Refers to the primary building block for the programs, which is used to encapsulate variables and methods into a single unit.

Interface - Contains only the signatures of methods, properties, events, or indexers.

Delegate - Refers to a reference type that is used to encapsulate a named or anonymous method.

Object -They are instance of classes.

SQL is the standard language for Relation Database System.

A primary key is a field in a table which uniquely identifies each row/record in a database table. Primary keys must contain unique values. A primary key column cannot have NULL values.

A foreign key is a key used to link two tables together. This is sometimes called a referencing key.

Database normalization is the process of efficiently organizing data in a database.