What is a connection to a database?

Question

A database connection is a facility in computer science that allows client software to talk to database server software, whether on the same machine or not. A connection is required to send commands and receive answers, usually in the form of a result set. Connections are a key concept in data-centric programming.

What is used to connect to a database?

1. Create database connection. To create a database connection in PHP, use the function mysqli_connect(). It takes four arguments: server name, username, password, database name.

What are the types of database connection?

A Database Connection object provides a convenient way of storing the connection details of a live database. Enterprise Architect supports the definition of three different connection types: MS Access.MS Access file based database.Firebird file based database, or.ODBC based database.

What is a connection in SQL?

A SqlConnection object represents a unique session to a SQL Server data source. With a client/server database system, it is equivalent to a network connection to the server. SqlConnection is used together with SqlDataAdapter and SqlCommand to increase performance when connecting to a Microsoft SQL Server database.

Why do you need to connect to a database?

A database connection allows you to work with database tables directly in Insights. Database connections can be created to supported databases and additional relational databases that use a Java Database Connectivity (JDBC) driver.

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