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Questions on database schema


Article ID: 208451


Updated On:


CA Performance Management - Usage and Administration DX NetOps


Do you have some schema's and tips&trick about the netqosportal database, and/or vertica database.

More specific focused to the content and validity of items. As you just demonstrated with some queries if you know what to look for it helps a lot.




There is no published documentation on the database schema in Performance Management


Dx NetOps Performance Management any version


  - item - stores basic item info for all items
  - poll_item - stores link between device and poll items
  - device - stores basic device info
  - attribute_instance - stores attributes for items where only 1 value per attr
  - list_attribute_instance - stores attributes for items where attr can have 1+ values (rank is index)
  - facet - stores facets and qname id relationship
  - item_facet - stores item to facet relationship
  - qname - stores internal name for something
  - attribute - stores attributes and qname_id relationship
  i- tem_relationship - stores relationships between items
  - dim_, etl_ - ETL tables used for various things
  - visible_tenant - stores items and what tenants that are visible in
  - rate/ltd/gtd/eqd/*baseline store poll data/rollups/baselines
Performance Center:

  - t_* - store consolidated info about the type of item the table keeps
  - dst_* - store data source info about the type of item the table keeps
  - items - stores all item ids, flags, etc
  - item_indentifiers - stores link between itemid and data source ID for lookups
  - data_source_* - various tables storing DS info
  - item_members - stores item relationships
  - rule_*  - stores info about group rules/comparisons/values
  - role_* - stores info about roles and access rights each role has
  - user_definitions - stores user info
  - general / performance_center_properties - stores settings
  - Link is itemid between t_ and dst_* tables and most tables.