(array 2)
PostgreSQL
Object Relational DataBase Management System

配列(2)
クラスの問い合わせ
SELECT name FROM SAL_EMP
  WHERE SAL_EMP.pay_by_quarter[1] <>
        SAL_EMP.pay_by_quarter[2];
SELECT SAL_EMP.schedule[1:2][1:1]
  FROM SAL_EMP
  WHERE SAL_EMP.name = 'Bill';