mssql administration commands:
set all databases to read only.
Note: take first 4 out (master, model, msdb, tempdb)
select 'alter database "' + name + '" set read_only' from sysdatabases
memory queries lookup
select * from sysprocesses order by memusage
reattach a database
EXEC sp_attach_single_file_db @dbname = 'temp_dat', @physname = 'D:\vol\temp_dat.mdf'
Stop MSSQL from command line
net stop "SQL Server (MSSQLSERVER)"