sysprocesses (T-SQL) The sysprocesses table holds information about processes running on Microsoft« SQL ServerÖ. These processes can be client processes or system processes. sysprocesses is stored only in the master database.
Column name Data type Description spid smallint SQL Server process ID. kpid smallint Microsoft Windows NT« thread ID. blocked smallint Process ID (spid) of a blocking process. waittype binary(2) Reserved. waittime int Current wait time in milliseconds. Is 0 when the process is not waiting. lastwaittype nchar(32) A string indicating the name of the last or current wait type. waitresource nchar(32) Textual representation of a lock resource. dbid smallint ID of the database currently being used by the process. uid smallint ID of the user who executed the command. cpu int Cumulative CPU time for the process. The entry is updated only for processes performed on behalf of Transact-SQL statements executed when SET STATISTICS TIME ON has been activated in the same session. The cpu column is updated when a query has been executed with SET STATISTICS TIME ON. 0 is returned when SET STATISTICS TIME is OFF. physical_io int Cumulative disk reads and writes for the process. memusage int Number of pages in the procedure cache that are currently allocated to this process. A negative number indicates that the process is freeing memory allocated by another process. login_time datetime Time at which a client process logged into the server. For system processes, the time at which SQL Server startup occurred is stored. last_batch datetime Last time a client process executed a remote stored procedure call or an EXECUTE statement. For system processes, the time at which SQL Server startup occurred is stored. ecid smallint Execution context ID used to uniquely identify the subthreads operating on behalf of a single process. open_tran smallint Number of open transactions for the process. status nchar(30) Process ID status (for example, running, sleeping, and so on). sid binary(85) Globally unique identifier (GUID) for the user. hostname nchar(128) Name of the workstation. program_name nchar(128) Name of the application program. hostprocess nchar(8) Workstation process ID number. cmd nchar(16) Command currently being executed. nt_domain nchar(128) Windows NT domain for the client (if using Windows NT Authentication) or a trusted connection. nt_username nchar(128) Windows NT username for the process (if using Windows NT Authentication) or a trusted connection. net_address nchar(12) Assigned unique identifier for the network interface card on each userÆs workstation. When the user logs in, this identifier is inserted in the net_address column. net_library nchar(12) Column in which the clientÆs network library is stored. Every client process comes in on a network connection. Network connections have a network library associated with them that allows them to make the connection. loginame nchar(128) Login name. suid smallint Server user ID of user who executed command.