The mechanism of linking a function with an object during compile time is called early binding. It is also called static binding. C# provides two techniques to implement static polymorphism i.e Function overloading and Operator overloading.Let us learn about Function Overloading with an example −You can have multiple definitions for ... Read More

Aggregation is a directional relation between objects in C#. It is the relationship between objects.For example, Employee and AddressAn Employee is associated with a single Department, whereas a Department can have more than one employee. Let us see an example of Employee and Address −public class Address {    . ... Read More

Class instances are objects. Like any other object-oriented language, C# also has object and classes. Objest are real-world entities and instance of a class. Access the members of the class using an object.To access the class members, you use the dot (.) operator after the object name. The dot operator ... Read More

Actually, MySQL evaluates an empty hexadecimal value to a zero-length binary string. It can be demonstrated as follows −mysql> Select CHARSET(X''); +--------------+ | CHARSET(X'') | +--------------+ | binary       | +--------------+ 1 row in set (0.00 sec)The above result set shows that the empty hexadecimal value is a ... Read More

Comments are used for explaining code. Compilers ignore the comment entries. The multiline comments in C# programs start with /* and terminates with the characters */ as shown below.Multi-line comments/* The following is a mult-line comment In C# /*The /*...*/ is ignored by the compiler and it is put to ... Read More

You can store any type of value in the dynamic data type variable. Type checking for these types of variables takes place at run-time. C# 4.0 introduced the dynamic type that avoids compile time type checking.The following is the syntax for declaring a dynamic type −dynamic = value;Dynamic types ... Read More

In C++ the scope resolution operator i.e. :: is used for global variables, whereas in C# it is related to namespaces.If you have a type that share an identifier in different namespace, then to identify them use the scope resolution operator.For example, to reference System.Console class, use the global namespace ... Read More

To find the count of elements of Hashtable class, use the Count property. Firstly, set the Hashtable class with elements −Hashtable ht = new Hashtable(); ht.Add("One", "Tom"); ht.Add("Two", "Jack"); ht.Add("Three", "Peter"); ht.Add("Four", "Russel"); ht.Add("Five", "Brad"); ht.Add("Six", "Bradley"); ht.Add("Seven", "Steve"); ht.Add("Eight", "David");Now, count the number of elements using the Count ... Read More

When QUOTE() function used with WHERE clause then the output depends upon the comparison values returned by WHERE clause. Following example will exhibit it −Examplemysql> Select Name, ID, QUOTE(Subject)AS Subject from Student WHERE Subject = 'History'; +-------+------+-----------+ | Name  | ID   | Subject   | +-------+------+-----------+ | Aarav ... Read More

Actually for using MySQL TRIM() function we must have to know the string which we want to trim from the original string. This becomes the major drawback of TRIM() in the cases where we want to trim the strings having different values. For example, suppose we want to get the ... Read More