[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] last in, first out (LIFO) structure  leaf nodes, hierarchies      listing  2nd  LIFO (last in, first out) structure  light-bulb factory recipe  linear data structures      example      lists          cumulative aggregation queries          regions          runs          sequences      priority queues      queues      stacks  linear relationships, correlation coefficient  lists      cumulative aggregates          queries      DELETE statement      indices, increasing arithmetically      INSERT statement      properties      regions          boundaries          finding          limiting size          ranking by size      runs  2nd      sequences  2nd  local logs  locking tables  log tables     global      partitioning recipe  logic, centralization authorization  logs      activity log          reporting      activity-level logging recipe      audit logs          information access          objectives          space used          triggers      event reporting, recipe      events, stored procedure      row-level logging      server-push recipe      severity levels, defining      severity-level variable      snapshots          restricted      table structure      triggers      undoing changes