System Tables are logical tables to describe the databases configuration, settings, and metrics. All tables except fb_views are logical and dynamically created upon looking at them.
Table of contents
The fb_views table is a system table which provides a catalog of all previously created views.
The fb_cluster_info table provides a single row which describes the version and state of the cluster.
The fb_cluster_nodes table provides a listing of all the cluster nodes including their connectivity and state.
The fb_exec_requests table provides a query log of requests executed by node.
The fb_table_ddl table provides the corresponding Data Definition Language to create the existing database’s tables.
The fb_performance_counters table provides metrics of the nodes within the cluster.