SQL...what happens when a service is stopped and someone is logged on

Question. I have a SQL database. It is new and currently how I back it up is I log everyone out, stop the sQL services and the database service, and drag and drop the instance (DATA) to an SSD drive.

What happens if I stop the SQL services when people are logged in? Does this lead to database corruption?

I know Symantec's backup product has an agent that backs up the database for me while people are logged in and I do not have to stop the services. The product is finally stable.

How do you backup your SQL databases, what is the best way? I watched several TECHNET videos on the subject.

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Carl TawnSystems and Integration DeveloperCommented:
You shouldn't need to stop the service at all. SQL Server has a proper backup engine of its own, that backups databases without any downtime.

Basic syntax for a SQL backup is:
BACKUP DATABASE [YourDatabaseName]
    TO DISK = N'<path_and_name_for_backup_file>.bak'

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You only need to BAK file to have a backup of your database, not the entire installation directory.

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dronethoughtAuthor Commented:
Thank you.
dronethoughtAuthor Commented:
Dear Carl,
Forgot to ask, the syntax is used in which program...I am new to SQL.
Carl TawnSystems and Integration DeveloperCommented:
Normally it would be through SQL Server Management Studio, sqlcmd (command-line client), or as part of a scheduled SQL Server Agent job.
dronethoughtAuthor Commented:
Thank you!!
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Microsoft SQL Server 2008

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