1, SQL Server (MSSQLSERVER) must be turned on, this is the service database engine, like a car's engine is the same.
Start SQL Server (MSSQLSERVER) service, then SQL Full-text Filter Daemon Launcher (MSSQLSERVER) will be with the SQL Server (MSSQLSERVER) service is automatically turned on.
2, SQL Full-text Filter Daemon Launcher (MSSQLSERVER) is a full-text search service, if you are not using full-text search technology, you do not need to open.
3, SQL Server Agent (MSSQLSERVER) is a proxy service, such as you have some run automatically, timed operation, or maintenance of some programs, such as database operations such as scheduled backups, then they would open, otherwise, it does not back up the database.
4, SQL Server Reporting Services (MSSQLSERVER ) is reporting service, generally do not open unless you do a report, through this component to provide reporting services, it needs to open.
5, SQL Server Analysis Services (MSSQLSERVER ) is analytical services, generally do not open unless you do a number of analysis and data mining, only need to open.
6, SQL Server VSS Writer, Microsoft SQL server provides reduction through Windows VSS backup infrastructure / interface.
7, on the SQL Server Browser, the SQL Server connection information to client computers.
In fact, in general you want to remotely access, does not need to open the SQL Server Browser, by: server ip, port this way you can access the remote server.
Then the sql browser mainly refers case of multiple sql server instances on your server, to provide some services through this sql browser:
Browse the list of available servers, for example, there are three instances on your machine, it will return this information to give you three examples of connecting to the correct server instance, is connected to the dedicated administrator connection (DAC) endpoints
in general if you want to know which instance the connection, it is recommended that you shut down the service.