Creating the in-memory database
Right-click the Databases folder then choose New.
Specify the name of the in-memory database. Click Next.
Specify the device and their size. Click Next.
Specify the database options. If you are creating an in-memory device that includes the log and data on the same device, the “With override” option is required. Click Next.
Create an optional guest user. Click Next.
View the summary. Click Finish.