# pg_stat_activity_global The `pg_stat_activity_global` system view provides information of the queries runing in the cluster. Table 1. `pg_catalog.pg_stat_activity_global` | column | type | references | description | | :----------------- | :----------------------- | :--------- | :----------------------------------------------------------- | | `datid` | oid | | database oid | | `datname` | name | | database name | | `host` | text | | host of main node that run the query | | `procpid` | integer | | process ID | | `sess_id` | integer | | session ID | | `usesysid` | oid | | user OID | | `usename` | name | | user name | | `current_query` | text | | current query | | `waiting` | boolean | | query's waiting status | | `query_start` | timestamp with time zone | | time at which the current query began execution | | `backend_start` | timestamp with time zone | | time at which he process was started | | `client_addr` | inet | | client's address number | | `client_port` | integer | | client's port number | | `application_name` | text | | the name of backend process connect to server | | `xact_start` | timestamp with time zone | | time at which the current transaction started. Null when the process is without transaction. | | `waiting_resource` | boolean | | status of waiting for resource manager. |