How do I connect an existing database?

How do I open an existing database?

To open an existing database from the File menu, follow these steps:1Choose File | Open. The Open dialog box appears (refer to Figure 1.2).2If necessary, open the Look In drop-down list box to select another drive or directory.3Click to select the filename of the database you want to open.4Click Open.Opening an Existing Database - eTutorials.org

How do I add an existing database to SQL Server?

Attach a database1In SQL Server Management Studio Object Explorer, connect to an instance of SQL Server Database Engine, and then select to expand that instance view in SSMS.2Right-click Databases and select Attach.3In the Attach Databases dialog box, to specify the database to be attached, select Add.Attach a Database - SQL Server | Microsoft Docs

How do I connect one database to another database?

Right-click on the database name, then select "Tasks" > "Export data..." from the object explorer. The SQL Server Import/Export wizard opens; click on "Next". Provide authentication and select the source from which you want to copy the data; click "Next". Specify where to copy the data to; click on "Next".

How do I use an existing SQL database?

When you have multiple databases in your SQL Schema, then before starting your operation, you would need to select a database where all the operations would be performed. The SQL USE statement is used to select any existing database in the SQL schema.