Method hiding is also called shadowing in C#. The method of the parent class is available to the child class without using the override keyword in shadowing. The child class has its own version of the same function. Define a behavior that is specific to the subclass type in overriding, ... Read More

‘LPAD(lower(column_name))’ is used to sort the varchar field numerically in MySQL. Let us see an example. Firstly, we will create a table. The CREATE command is used to create a table. mysql> create table SortingvarcharDemo -> ( -> List varchar(10) ... Read More

In an If-Else statement, the condition is evaluated to be true or false depending on the value. Let us see an example. Firstly, we will create a table. The CREATE command is used to create a table. mysql> create table IfelseDemo - > ( ... Read More

Yes, primary key is automatically indexed in MySQL because primary key, index, etc gets stored into B-trees. All engines including InnoDB as well as MyISAM automatically supports the primary key to be indexed. The primary key is implicitly indexed in InnoDB, MyISAM, and other engines. Let us create a table ... Read More

MySQLi is also known as MySQL improved Extension. It is a relational SQL database management system. It is often used inside PHP to provide an interface with the MySQL databases. Some of the reasons why MySQLi is famous are given below − MySQLi uses the standard form of the ... Read More

Definition Fiber to the home (FTTH) is a technology to deploy optical fibers in the local loop of the telephone networks to the users’ home for providing high-speed data connectivity. It replaces the existing copper wires as telephone lines to the customer premises by optical fibers that allow much greater ... Read More

The Universal Mobile Telecommunications System (UMTS) is a broadband, packet-based, 3G mobile cellular system based upon GSM standards. The specifications of UMTS covers the entire network system, including the radio access network, the core network and user authentication. Features UMTS is a component of IMT-2000 standard of the International Telecommunications Union ... Read More

Long – term evolution or LTE is a standard for wireless technology based upon GSM/EDGE and UMTS/HSPA technologies. It offers increased network capacity and speed to mobile device users. It is an extension of the 3G technology for high-speed mobile communications. LTE-Advanced is an improvement over LTE that meets the ... Read More

The 1046 error occurs if you forget to select any database before creating a table. Let us see how and why this error occurs. We will try to create a table without selecting a database − mysql> CREATE table MyTable1 -> ( -> ... Read More

We can set the now() function as a default value with the help of dynamic default. First, we will create a table with data type” datetime”. After that, we will set now() as the default value for column “MyTime” as shown below. Creating a table. mysql> create table DefaultDateTimeDemo ... Read More