A typical SQL Server connection string includes the following components:

• Server: The name or IP address of the SQL Server instance. For a local instance, you can use `(local)` or `.`.
• Database: The name of the database you want to connect to.
• User ID: The username for SQL Server authentication (if applicable).
• Password: The password for the specified user (if applicable).Example:```plaintextServer=myServerAddress;Database=myDataBase;User Id=myUsername;Password=myPassword;```

If you prefer to use Windows Authentication, you can omit the User ID and Password fields. The connection string would look like this:```plaintextServer=myServerAddress;Database=myDataBase;Integrated Security=True;```

Here are some common parameters you might include in your connection string:

• Initial Catalog: Specifies the database name (alternative to Database).
• Trusted_Connection: Set to `True` to use Windows Authentication.
• Connection Timeout: Specifies the time to wait for a connection to the server before terminating the attempt and generating an error.

1. SQL Server Authentication:```plaintextServer=localhost;Database=MyDatabase;User Id=myUsername;Password=myPassword;```
2. Windows Authentication:```plaintextServer=localhost;Database=MyDatabase;Integrated Security=True;```
3. Specifying a Port:```plaintextServer=myServerAddress,1433;Database=myDataBase;User Id=myUsername;Password=myPassword;```

You can also retrieve connection strings from SQL Server Management Studio (SSMS) by right-clicking the server instance in Object Explorer and selecting Properties. This will show you the connection properties, including the connection string.For more detailed information on constructing SQL Server connection strings, you can refer to resources like ConnectionStrings.comor the Microsoft documentation.By following these guidelines, you can effectively create and manage connection strings for your SQL Server database connections.

A connection string is a text string used to establish a connection between an application and a database. It contains key/value pairs that hold essential information such as the server name, database name, user credentials, and other settings required by the data provider to connect to the database. For example, a typical connection string might include the data source, initial catalog, user ID, and password, allowing the application to authenticate and interact with the database effectively.