These scalar functions return statistical information about the system.
| @@CONNECTIONS | @@PACK_RECEIVED |
| @@CPU_BUSY | @@PACK_SENT |
| fn_virtualfilestats | @@TIMETICKS |
| @@IDLE | @@TOTAL_ERRORS |
| @@IO_BUSY | @@TOTAL_READ |
| @@PACKET_ERRORS | @@TOTAL_WRITE |
All system statistical functions are nondeterministic; they do not always return the same results every time they are called with a specific set of input values. For more information about function determinism, see Deterministic and Nondeterministic Functions.