[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] parent, hierarchies  partial duplicates, importing and  partial intersections, recipe  partitioning log-tables recipe  patterns, statistics  periods, temporal data  2nd      available          common      calendar information      continuous, recipe      fully normalized      margin and duration      margins      queries          granularity and  permissions      authorization logic, central      groups, permission hierarchy      individual, changing      new      permission hierarchy, creating      revoking      specific, querying      status attributes      traders, GroupPermissions table  Pivot tables      ASCII chart generation      calendar generation and      folding data      joins          rows      populating      queries, sequencing properties      reports  polling     client stability      triggers and  POP function  population, statistics  precision, granularity (temporal data)  preventing duplicates  printing     arrays      calendars      matrices  priority queues      implementing  procedures      import procedure, hiding      importing and      RemoveProjectsRecursive  ProjectPaths table  projects, subprojects (children)  properties     lists      sequencing properties, queries  pull mechanisms, server push and  purity index, linear data structure example  PUSH functions