How do I add an existing database to SQL Server?

How do I add a database to SQL?

In Object Explorer, connect to an instance of the SQL Server Database Engine and then expand that instance. Expand Databases, right-click the database from which to add the files, and then click Properties. In the Database Properties dialog box, select the Files page. To add a data or transaction log file, click Add.

How do I add a database to an existing linked server?

A linked server can only show existing databases; you can't "add" a database there. If there is a missing database, then may the used credentials don't have the permission to list/access the database.

How do you attach a detached database in SQL Server?

Using SQL management studio:1Configure the database to run in single user mode by going to the database properties->option->restrict access (Figure 2) ... 2Right click the database name->tasks->detach and click OK on the database detach window.3Right click databases->attach->add and point to the mdf file.How to detach and attach a SQL database? - Veritas

How do I create a new database from an existing database?

In SQL Server Object Explorer, under the SQL Server node, expand your connected server instance. Right-click the Databases node and select Add New Database. Rename the new database to TradeDev. Right-click the Trade database in SQL Server Object Explorer, and select Schema Compare.