Key tables in the configuration management database (CMDB):
The Base Configuration Item [cmdb] table, which is the core CMDB table for non IT CIs (descending classes are non IT CIs).
The core Configuration Item [cmdb_ci] table, which stores the basic attributes of all the CIs. The admin, itil, or asset user role is required to access this table (descending classes are IT CIs).
The CI Relationship [cmdb_rel_ci] table, which defines all relationships between CIs.
