Oracle数据字典(10) INDEX_STATS statistics on the b-tree RESOURCE_COST Cost for each resource ROLE_ROLE_PRIVS Roles which are granted to roles ROLE_SYS_PRIVS System privileges granted to roles ROLE_TAB_PRIVS Table privileges granted to roles SESSION_PRIVS Privileges which the user currently has set SESSION_ROLES Roles which the user currently has enabled. TABLE_PRIVILEGES Grants on objects for which the user is the grantor, grantee, owner, or an enabled role or PUBLIC is the grantee ACCESSIBLE_COLUMNS Synonym for ALL_TAB_COLUMNS ALL_COL_GRANTS Synonym for COLUMN_PRIVILEGES ALL_JOBS Synonym for USER_JOBS ALL_TAB_GRANTS Synonym for TABLE_PRIVILEGES