# SYSTEM VIEWS Views on database schema metadata available in every database. ## sys.sys.databases Only available in database "sys". ### Columns **database @tas** Database name. **sys-agent @tas** Agent making latest database schema state. **sys-tmsp @da** Timestamp of latest database schema state. **data-ship @p** Ship making latest database user data state **data-agent @tas** Agent making latest user data state. **data-tmsp @da** Timestamp of latest user data state. ### Default Ordering database, sys-tmsp, data-tmsp ## sys.namespaces Available in every database except "sys". ### Columns **namespace @tas** Namespace name. **tmsp @da** Namespace creation timestamp. ### Default Ordering namespace ## sys.tables ### Columns **namespace @tas** Namespace of table. **name @tas** Table name. **ship @p** Ship making latest table state change. **agent @tas** Agent making latest table state change. **tmsp @da** Timestamp of latest table state change. **row-count @ud** Count of rows in table. **clustered @f** Primary key of table is clustered or look-up. **key-ordinal @ud** Ordinal of column in primary key. **key @tas** Column in primary key. **key-ascending @f** Column in primary key is ascending or descending **col-ordinal @ud** Ordinal of column in table's canonical ordering. **col-name @tas** Name of column. **col-type @tas** Aura type of column. ### Default Ordering namespace, name, key-ordinal, col-ordinal ## sys.columns ### Columns **namespace @tas** Namespace of table. **name @tas** Table name. **col-ordinal @ud** Ordinal of column in table's canonical ordering. **col-name @tas** Name of column. **col-type @tas** Aura type of column. ### Default Ordering namespace, name, col-ordinal ## sys.sys-log ### Columns **tmsp @da** Timestamp of database schema change of state. **agent @tas** Agent making state change. **component @tas** To do: 2 columns, component and namespace along with view rewrite **name @tas** Added or altered component. ### Default Ordering tmsp descending, component, name ## sys.data-log ### Columns **tmsp @da** Timestamp of table data change of state. **ship @p** Ship making state change. **agent @tas** Agent making state change. **namespace @tas** Table namespace. **table @tas** Table name. ### Default Ordering tmsp descending, namespace, table