using System.Data.SqlClient; string connectionString = "Data Source=myServerAddress;Initial Catalog=myDataBase;User ID=myUsername;Password=myPassword;"; SqlConnection connection = new SqlConnection(connectionString); connection.Open();
using System.Data.OracleClient; string connectionString = "Data Source=ORCL;User ID=myUsername;Password=myPassword;"; OracleConnection connection = new OracleConnection(connectionString); connection.Open();This example shows how to use Connection Abrir to open a connection to an Oracle database. The connection string specifies the data source, as well as the login credentials. Once the connection is established, it can be used for executing SQL queries or other database operations. Package Library: System.Data.OracleClient (deprecated in .Net Framework 4.0, use Oracle Data Provider for .Net instead)